Remove extra leading spaces from code examples

author: Marshall Lochbaum <mwlochbaum@gmail.com> 2022-01-24 20:18:08 -0500
committer: Marshall Lochbaum <mwlochbaum@gmail.com> 2022-01-24 20:18:08 -0500
commit: bc0245f0be38e547ad76bcd719c6dedbb161f0f4 (patch)
tree: 3649c29ade245e5a2fb8b2c47e19ac7b2d707a91 /docs/help
parent: 5566ea9429f75b54a8cffb9ebea7747ea651d52c (diff)
64 files changed, 309 insertions, 309 deletions
diff --git a/docs/help/absolutevalue_modulus.html b/docs/help/absolutevalue_modulus.html
index ff360249..0f907bf0 100644
--- a/docs/help/absolutevalue_modulus.html
+++ b/docs/help/absolutevalue_modulus.html
@@ -8,18 +8,18 @@
 <h2 id="-𝕩-absolute-value"><a class="header" href="#-𝕩-absolute-value"><code><span class='Function'>|</span> <span class='Value'>𝕩</span></code>: Absolute Value</a></h2>
 <p>Absolute Value of <code><span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICB8IMKvMgoKICB8IDHigL8z4oC/wq804oC/Mw==">↗️</a><pre>      <span class='Function'>|</span> <span class='Number'>¯2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=fCDCrzIKCnwgMeKAvzPigL/CrzTigL8z">↗️</a><pre>    <span class='Function'>|</span> <span class='Number'>¯2</span>
 2
 
-      <span class='Function'>|</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>¯4</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Function'>|</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>¯4</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 1 3 4 3 ⟩
 </pre>
 <h2 id="𝕨--𝕩-modulus"><a class="header" href="#𝕨--𝕩-modulus"><code><span class='Value'>𝕨</span> <span class='Function'>|</span> <span class='Value'>𝕩</span></code>: Modulus</a></h2>
 <p>Remainder of <code><span class='Value'>𝕩</span></code> divided by <code><span class='Value'>𝕨</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIHwgMwoKICAyIHwgM+KAvzTigL/CrzU=">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>|</span> <span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSB8IDMKCjIgfCAz4oC/NOKAv8KvNQ==">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>|</span> <span class='Number'>3</span>
 0
 
-      <span class='Number'>2</span> <span class='Function'>|</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>¯5</span>
+    <span class='Number'>2</span> <span class='Function'>|</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>¯5</span>
 ⟨ 1 0 1 ⟩
 </pre>
diff --git a/docs/help/after_bind.html b/docs/help/after_bind.html
index f14f5386..8ef227af 100644
--- a/docs/help/after_bind.html
+++ b/docs/help/after_bind.html
@@ -8,33 +8,33 @@
 <h2 id="𝔽𝕘-𝕩-bind"><a class="header" href="#𝔽𝕘-𝕩-bind"><code><span class='Function'>𝔽</span><span class='Modifier2'>⟜</span><span class='Value'>𝕘</span> <span class='Value'>𝕩</span></code>: Bind</a></h2>
 <p>Supply <code><span class='Value'>𝕘</span></code> as a right argument to <code><span class='Function'>𝔽</span></code> (<code><span class='Value'>𝕩</span> <span class='Function'>𝔽</span> <span class='Value'>𝕘</span></code>).</p>
 <p><code><span class='Value'>𝕘</span></code> is a constant, <code><span class='Function'>𝔽</span></code> must be dyadic.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgLeKfnDMgOQoKICAgLSAzIDkKCiAgIDkgLSAz">↗️</a><pre>       <span class='Function'>-</span><span class='Modifier2'>⟜</span><span class='Number'>3</span> <span class='Number'>9</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=LeKfnDMgOQoKLSAzIDkKCjkgLSAz">↗️</a><pre>    <span class='Function'>-</span><span class='Modifier2'>⟜</span><span class='Number'>3</span> <span class='Number'>9</span>
 6
 
-       <span class='Function'>-</span> <span class='Number'>3</span> <span class='Number'>9</span>
+    <span class='Function'>-</span> <span class='Number'>3</span> <span class='Number'>9</span>
 <span class='Error'>Error: Double subjects (missing ‿?)</span>
 
-       <span class='Number'>9</span> <span class='Function'>-</span> <span class='Number'>3</span>
+    <span class='Number'>9</span> <span class='Function'>-</span> <span class='Number'>3</span>
 6
 </pre>
 <h2 id="𝔽𝔾-𝕩-after"><a class="header" href="#𝔽𝔾-𝕩-after"><code><span class='Function'>𝔽</span><span class='Modifier2'>⟜</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: After</a></h2>
 <p>Apply <code><span class='Function'>𝔾</span></code> to <code><span class='Value'>𝕩</span></code>, and supply it as a right argument to <code><span class='Function'>𝔽</span></code> (<code><span class='Value'>𝕩</span> <span class='Function'>𝔽</span> <span class='Paren'>(</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span><span class='Paren'>)</span></code>).</p>
 <p><code><span class='Function'>𝔽</span></code> must be dyadic, <code><span class='Function'>𝔾</span></code> must be monadic.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgw5fin5wtIDkKCiAgIMOXIC0gOQoKICAgOSDDlyAoLSA5KQ==">↗️</a><pre>       <span class='Function'>×</span><span class='Modifier2'>⟜</span><span class='Function'>-</span> <span class='Number'>9</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=w5fin5wtIDkKCsOXIC0gOQoKOSDDlyAoLSA5KQ==">↗️</a><pre>    <span class='Function'>×</span><span class='Modifier2'>⟜</span><span class='Function'>-</span> <span class='Number'>9</span>
 ¯81
 
-       <span class='Function'>×</span> <span class='Function'>-</span> <span class='Number'>9</span>
+    <span class='Function'>×</span> <span class='Function'>-</span> <span class='Number'>9</span>
 ¯1
 
-       <span class='Number'>9</span> <span class='Function'>×</span> <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>9</span><span class='Paren'>)</span>
+    <span class='Number'>9</span> <span class='Function'>×</span> <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>9</span><span class='Paren'>)</span>
 ¯81
 </pre>
 <h2 id="𝕨-𝔽𝔾-𝕩-dyadic-after"><a class="header" href="#𝕨-𝔽𝔾-𝕩-dyadic-after"><code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier2'>⟜</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: Dyadic After</a></h2>
 <p>Apply <code><span class='Function'>𝔾</span></code> to <code><span class='Value'>𝕩</span></code>, and supply it as a right argument to <code><span class='Function'>𝔽</span></code> (<code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span> <span class='Paren'>(</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span><span class='Paren'>)</span></code>).</p>
 <p><code><span class='Function'>𝔽</span></code> must be dyadic, <code><span class='Function'>𝔾</span></code> must be monadic.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMiDDl+KfnC0gMQoKICAgMiDDlyAoLSAxKQ==">↗️</a><pre>       <span class='Number'>2</span> <span class='Function'>×</span><span class='Modifier2'>⟜</span><span class='Function'>-</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MiDDl+KfnC0gMQoKMiDDlyAoLSAxKQ==">↗️</a><pre>    <span class='Number'>2</span> <span class='Function'>×</span><span class='Modifier2'>⟜</span><span class='Function'>-</span> <span class='Number'>1</span>
 ¯2
 
-       <span class='Number'>2</span> <span class='Function'>×</span> <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>1</span><span class='Paren'>)</span>
+    <span class='Number'>2</span> <span class='Function'>×</span> <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>1</span><span class='Paren'>)</span>
 ¯2
 </pre>
diff --git a/docs/help/assert_assertwithmessage.html b/docs/help/assert_assertwithmessage.html
index 92140c18..4ea46b7b 100644
--- a/docs/help/assert_assertwithmessage.html
+++ b/docs/help/assert_assertwithmessage.html
@@ -7,23 +7,23 @@
 <h1 id="exclamation-mark-"><a class="header" href="#exclamation-mark-">Exclamation Mark (<code><span class='Function'>!</span></code>)</a></h1>
 <h2 id="-𝕩-assert"><a class="header" href="#-𝕩-assert"><code><span class='Function'>!</span> <span class='Value'>𝕩</span></code>: Assert</a></h2>
 <p>Throw an error if <code><span class='Value'>𝕩</span></code> is not 1.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgISAxCgogICAhIDIKCiAgICEgImhlbGxvIg==">↗️</a><pre>       <span class='Function'>!</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ISAxCgohIDIKCiEgImhlbGxvIg==">↗️</a><pre>    <span class='Function'>!</span> <span class='Number'>1</span>
 1
 
-       <span class='Function'>!</span> <span class='Number'>2</span>
+    <span class='Function'>!</span> <span class='Number'>2</span>
 <span class='Error'>Error: Assertion error</span>
 
-       <span class='Function'>!</span> <span class='String'>&quot;hello&quot;</span>
+    <span class='Function'>!</span> <span class='String'>&quot;hello&quot;</span>
 <span class='Error'>Error: hello</span>
 </pre>
 <h2 id="𝕨--𝕩-assert-with-message"><a class="header" href="#𝕨--𝕩-assert-with-message"><code><span class='Value'>𝕨</span> <span class='Function'>!</span> <span class='Value'>𝕩</span></code>: Assert With Message</a></h2>
 <p>Throw an error with message <code><span class='Value'>𝕨</span></code> if <code><span class='Value'>𝕩</span></code> is not 1.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgImhpIiAhIDEKCiAgICJ0d28iICEgMgoKICAgImhlbGxvIGVycm9yIiAhICJoZWxsbyI=">↗️</a><pre>       <span class='String'>&quot;hi&quot;</span> <span class='Function'>!</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ImhpIiAhIDEKCiJ0d28iICEgMgoKImhlbGxvIGVycm9yIiAhICJoZWxsbyI=">↗️</a><pre>    <span class='String'>&quot;hi&quot;</span> <span class='Function'>!</span> <span class='Number'>1</span>
 1
 
-       <span class='String'>&quot;two&quot;</span> <span class='Function'>!</span> <span class='Number'>2</span>
+    <span class='String'>&quot;two&quot;</span> <span class='Function'>!</span> <span class='Number'>2</span>
 <span class='Error'>Error: two</span>
 
-       <span class='String'>&quot;hello error&quot;</span> <span class='Function'>!</span> <span class='String'>&quot;hello&quot;</span>
+    <span class='String'>&quot;hello error&quot;</span> <span class='Function'>!</span> <span class='String'>&quot;hello&quot;</span>
 <span class='Error'>Error: hello error</span>
 </pre>
diff --git a/docs/help/atop.html b/docs/help/atop.html
index 57c7bf3a..02764808 100644
--- a/docs/help/atop.html
+++ b/docs/help/atop.html
@@ -8,21 +8,21 @@
 <h2 id="𝔽𝔾-𝕩-atop"><a class="header" href="#𝔽𝔾-𝕩-atop"><code><span class='Function'>𝔽</span><span class='Modifier2'>∘</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: Atop</a></h2>
 <p>Apply <code><span class='Function'>𝔾</span></code> to <code><span class='Value'>𝕩</span></code>, then apply <code><span class='Function'>𝔽</span></code> (<code><span class='Function'>𝔽</span> <span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>).</p>
 <p><code><span class='Function'>𝔽</span></code> and <code><span class='Function'>𝔾</span></code> must be monadic.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgLeKImC0gNQoKICAgLSAtIDU=">↗️</a><pre>       <span class='Function'>-</span><span class='Modifier2'>∘</span><span class='Function'>-</span> <span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=LeKImC0gNQoKLSAtIDU=">↗️</a><pre>    <span class='Function'>-</span><span class='Modifier2'>∘</span><span class='Function'>-</span> <span class='Number'>5</span>
 5
 
-       <span class='Function'>-</span> <span class='Function'>-</span> <span class='Number'>5</span>
+    <span class='Function'>-</span> <span class='Function'>-</span> <span class='Number'>5</span>
 5
 </pre>
 <h2 id="𝕨-𝔽𝔾-𝕩-dyadic-atop"><a class="header" href="#𝕨-𝔽𝔾-𝕩-dyadic-atop"><code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier2'>∘</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: Dyadic Atop</a></h2>
 <p>Apply <code><span class='Function'>𝔾</span></code> to <code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code>, then apply <code><span class='Function'>𝔽</span></code> (<code><span class='Function'>𝔽</span> <span class='Paren'>(</span><span class='Value'>𝕨</span> <span class='Function'>𝔾</span> <span class='Value'>𝕩</span><span class='Paren'>)</span></code>).</p>
 <p><code><span class='Function'>𝔽</span></code> must be monadic, and <code><span class='Function'>𝔾</span></code> must be dyadic.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMSAt4oiYKyAyCgogICAxIC0gKyAyCgogICAtIDEgKyAy">↗️</a><pre>       <span class='Number'>1</span> <span class='Function'>-</span><span class='Modifier2'>∘</span><span class='Function'>+</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSAt4oiYKyAyCgoxIC0gKyAyCgotIDEgKyAy">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>-</span><span class='Modifier2'>∘</span><span class='Function'>+</span> <span class='Number'>2</span>
 ¯3
 
-       <span class='Number'>1</span> <span class='Function'>-</span> <span class='Function'>+</span> <span class='Number'>2</span>
+    <span class='Number'>1</span> <span class='Function'>-</span> <span class='Function'>+</span> <span class='Number'>2</span>
 ¯1
 
-       <span class='Function'>-</span> <span class='Number'>1</span> <span class='Function'>+</span> <span class='Number'>2</span>
+    <span class='Function'>-</span> <span class='Number'>1</span> <span class='Function'>+</span> <span class='Number'>2</span>
 ¯3
 </pre>
diff --git a/docs/help/before_bind.html b/docs/help/before_bind.html
index 3ae101c6..c9f0ca0b 100644
--- a/docs/help/before_bind.html
+++ b/docs/help/before_bind.html
@@ -8,33 +8,33 @@
 <h2 id="𝕗𝔾-𝕩-bind-left"><a class="header" href="#𝕗𝔾-𝕩-bind-left"><code><span class='Value'>𝕗</span><span class='Modifier2'>⊸</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: Bind Left</a></h2>
 <p>Supply <code><span class='Value'>𝕗</span></code> as a left argument to <code><span class='Function'>𝔾</span></code> (<code><span class='Value'>𝕗</span> <span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>).</p>
 <p><code><span class='Value'>𝕗</span></code> is a constant, <code><span class='Function'>𝔾</span></code> must be dyadic.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgM+KKuC0gOQoKICAgMyAtIDk=">↗️</a><pre>       <span class='Number'>3</span><span class='Modifier2'>⊸</span><span class='Function'>-</span> <span class='Number'>9</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=M+KKuC0gOQoKMyAtIDk=">↗️</a><pre>    <span class='Number'>3</span><span class='Modifier2'>⊸</span><span class='Function'>-</span> <span class='Number'>9</span>
 ¯6
 
-       <span class='Number'>3</span> <span class='Function'>-</span> <span class='Number'>9</span>
+    <span class='Number'>3</span> <span class='Function'>-</span> <span class='Number'>9</span>
 ¯6
 </pre>
 <h2 id="𝔽𝔾-𝕩-before"><a class="header" href="#𝔽𝔾-𝕩-before"><code><span class='Function'>𝔽</span><span class='Modifier2'>⊸</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: Before</a></h2>
 <p>Apply <code><span class='Function'>𝔽</span></code> to <code><span class='Value'>𝕩</span></code>, and supply it as a left argument to <code><span class='Function'>𝔾</span></code> (<code><span class='Paren'>(</span><span class='Function'>𝔽</span> <span class='Value'>𝕩</span><span class='Paren'>)</span> <span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>).</p>
 <p><code><span class='Function'>𝔽</span></code> must be monadic, <code><span class='Function'>𝔾</span></code> must be dyadic.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgLeKKuCsgOQoKICAgLSArIDkKCiAgICgtIDkpICsgOQ==">↗️</a><pre>       <span class='Function'>-</span><span class='Modifier2'>⊸</span><span class='Function'>+</span> <span class='Number'>9</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=LeKKuCsgOQoKLSArIDkKCigtIDkpICsgOQ==">↗️</a><pre>    <span class='Function'>-</span><span class='Modifier2'>⊸</span><span class='Function'>+</span> <span class='Number'>9</span>
 0
 
-       <span class='Function'>-</span> <span class='Function'>+</span> <span class='Number'>9</span>
+    <span class='Function'>-</span> <span class='Function'>+</span> <span class='Number'>9</span>
 ¯9
 
-       <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>9</span><span class='Paren'>)</span> <span class='Function'>+</span> <span class='Number'>9</span>
+    <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>9</span><span class='Paren'>)</span> <span class='Function'>+</span> <span class='Number'>9</span>
 0
 </pre>
 <h2 id="𝕨-𝔽𝔾-𝕩-dyadic-before"><a class="header" href="#𝕨-𝔽𝔾-𝕩-dyadic-before"><code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier2'>⊸</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: Dyadic Before</a></h2>
 <p>Apply <code><span class='Function'>𝔽</span></code> to <code><span class='Value'>𝕨</span></code>, and supply it as a left argument to <code><span class='Function'>𝔾</span></code> (<code><span class='Paren'>(</span><span class='Function'>𝔽</span> <span class='Value'>𝕨</span><span class='Paren'>)</span> <span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>).</p>
 <p><code><span class='Function'>𝔽</span></code> must be monadic, <code><span class='Function'>𝔾</span></code> must be dyadic.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMiAt4oq4KyAxCgogICAyIC0gKyAxCgogICAoLSAyKSArIDE=">↗️</a><pre>       <span class='Number'>2</span> <span class='Function'>-</span><span class='Modifier2'>⊸</span><span class='Function'>+</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MiAt4oq4KyAxCgoyIC0gKyAxCgooLSAyKSArIDE=">↗️</a><pre>    <span class='Number'>2</span> <span class='Function'>-</span><span class='Modifier2'>⊸</span><span class='Function'>+</span> <span class='Number'>1</span>
 ¯1
 
-       <span class='Number'>2</span> <span class='Function'>-</span> <span class='Function'>+</span> <span class='Number'>1</span>
+    <span class='Number'>2</span> <span class='Function'>-</span> <span class='Function'>+</span> <span class='Number'>1</span>
 1
 
-       <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>2</span><span class='Paren'>)</span> <span class='Function'>+</span> <span class='Number'>1</span>
+    <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>2</span><span class='Paren'>)</span> <span class='Function'>+</span> <span class='Number'>1</span>
 ¯1
 </pre>
diff --git a/docs/help/catch.html b/docs/help/catch.html
index 2612567b..e98292e1 100644
--- a/docs/help/catch.html
+++ b/docs/help/catch.html
@@ -9,9 +9,9 @@
 <p>Apply <code><span class='Function'>𝔽</span></code> to the arguments.</p>
 <p>If an error happens when <code><span class='Function'>𝔽</span></code> is applied, cancel its execution, apply <code><span class='Function'>𝔾</span></code> to the arguments and return its result.</p>
 <p>Otherwise, return the result of <code><span class='Function'>𝔽</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oi+4o6KeyJlcnJvciBvY2N1cnJlZCB3aXRoIGFyZ3VtZW50OiAi4oi+4oCiRm10IPCdlal9IDEKCiAgIOKIvuKOinsiZXJyb3Igb2NjdXJyZWQgd2l0aCBhcmd1bWVudDogIuKIvuKAokZtdCDwnZWpfSDin6jin6gxLDLin6ksIOKfqDMsNOKfqeKfqQ==">↗️</a><pre>       <span class='Function'>∾</span><span class='Modifier2'>⎊</span><span class='Brace'>{</span><span class='String'>&quot;error occurred with argument: &quot;</span><span class='Function'>∾•Fmt</span> <span class='Value'>𝕩</span><span class='Brace'>}</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oi+4o6KeyJlcnJvciBvY2N1cnJlZCB3aXRoIGFyZ3VtZW50OiAi4oi+4oCiRm10IPCdlal9IDEKCuKIvuKOinsiZXJyb3Igb2NjdXJyZWQgd2l0aCBhcmd1bWVudDogIuKIvuKAokZtdCDwnZWpfSDin6jin6gxLDLin6ksIOKfqDMsNOKfqeKfqQ==">↗️</a><pre>    <span class='Function'>∾</span><span class='Modifier2'>⎊</span><span class='Brace'>{</span><span class='String'>&quot;error occurred with argument: &quot;</span><span class='Function'>∾•Fmt</span> <span class='Value'>𝕩</span><span class='Brace'>}</span> <span class='Number'>1</span>
 "error occurred with argument: 1"
 
-       <span class='Function'>∾</span><span class='Modifier2'>⎊</span><span class='Brace'>{</span><span class='String'>&quot;error occurred with argument: &quot;</span><span class='Function'>∾•Fmt</span> <span class='Value'>𝕩</span><span class='Brace'>}</span> <span class='Bracket'>⟨⟨</span><span class='Number'>1</span><span class='Separator'>,</span><span class='Number'>2</span><span class='Bracket'>⟩</span><span class='Separator'>,</span> <span class='Bracket'>⟨</span><span class='Number'>3</span><span class='Separator'>,</span><span class='Number'>4</span><span class='Bracket'>⟩⟩</span>
+    <span class='Function'>∾</span><span class='Modifier2'>⎊</span><span class='Brace'>{</span><span class='String'>&quot;error occurred with argument: &quot;</span><span class='Function'>∾•Fmt</span> <span class='Value'>𝕩</span><span class='Brace'>}</span> <span class='Bracket'>⟨⟨</span><span class='Number'>1</span><span class='Separator'>,</span><span class='Number'>2</span><span class='Bracket'>⟩</span><span class='Separator'>,</span> <span class='Bracket'>⟨</span><span class='Number'>3</span><span class='Separator'>,</span><span class='Number'>4</span><span class='Bracket'>⟩⟩</span>
 ⟨ 1 2 3 4 ⟩
 </pre>
diff --git a/docs/help/ceiling_maximum.html b/docs/help/ceiling_maximum.html
index 9b0ab05e..cfa73dbd 100644
--- a/docs/help/ceiling_maximum.html
+++ b/docs/help/ceiling_maximum.html
@@ -8,15 +8,15 @@
 <h2 id="-𝕩-ceiling"><a class="header" href="#-𝕩-ceiling"><code><span class='Function'>⌈</span> <span class='Value'>𝕩</span></code>: Ceiling</a></h2>
 <p>Round <code><span class='Value'>𝕩</span></code> up to the nearest integer.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDijIggMS4y4oC/z4DigL8z4oC/Ny44OQ==">↗️</a><pre>      <span class='Function'>⌈</span> <span class='Number'>1.2</span><span class='Ligature'>‿</span><span class='Number'>π</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>7.89</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oyIIDEuMuKAv8+A4oC/M+KAvzcuODk=">↗️</a><pre>    <span class='Function'>⌈</span> <span class='Number'>1.2</span><span class='Ligature'>‿</span><span class='Number'>π</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>7.89</span>
 ⟨ 2 4 3 8 ⟩
 </pre>
 <h2 id="𝕨--𝕩-maximum"><a class="header" href="#𝕨--𝕩-maximum"><code><span class='Value'>𝕨</span> <span class='Function'>⌈</span> <span class='Value'>𝕩</span></code>: Maximum</a></h2>
 <p>Maximum of <code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIOKMiCAyCgogIDLigL8zIOKMiCA04oC/Mg==">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>⌈</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDijIggMgoKMuKAvzMg4oyIIDTigL8y">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>⌈</span> <span class='Number'>2</span>
 2
 
-      <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⌈</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>2</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⌈</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>2</span>
 ⟨ 4 3 ⟩
 </pre>
diff --git a/docs/help/cells.html b/docs/help/cells.html
index aa8bd55f..4d123802 100644
--- a/docs/help/cells.html
+++ b/docs/help/cells.html
@@ -7,13 +7,13 @@
 <h1 id="breve-"><a class="header" href="#breve-">Breve (<code><span class='Modifier'>˘</span></code>)</a></h1>
 <h2 id="𝔽-𝕩-𝕨-𝔽-𝕩-cells"><a class="header" href="#𝔽-𝕩-𝕨-𝔽-𝕩-cells"><code><span class='Function'>𝔽</span><span class='Modifier'>˘</span> <span class='Value'>𝕩</span></code>, <code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier'>˘</span> <span class='Value'>𝕩</span></code>: Cells</a></h2>
 <p>Apply <code><span class='Function'>𝔽</span></code> to/between the major cells of the arguments. (<code><span class='Function'>𝔽</span><span class='Modifier2'>⎉</span><span class='Number'>¯1</span></code>)</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgYSDihpAgM+KAvzMg4qWKIOKGlTkKCgogICA8y5ggYQoKICAgYSDiiY3LmCBh">↗️</a><pre>       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=YSDihpAgM+KAvzMg4qWKIOKGlTkKCgo8y5ggYQoKYSDiiY3LmCBh">↗️</a><pre>    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
 
-       <span class='Function'>&lt;</span><span class='Modifier'>˘</span> <span class='Value'>a</span>
+    <span class='Function'>&lt;</span><span class='Modifier'>˘</span> <span class='Value'>a</span>
 ⟨ ⟨ 0 1 2 ⟩ ⟨ 3 4 5 ⟩ ⟨ 6 7 8 ⟩ ⟩
 
-       <span class='Value'>a</span> <span class='Function'>≍</span><span class='Modifier'>˘</span> <span class='Value'>a</span>
+    <span class='Value'>a</span> <span class='Function'>≍</span><span class='Modifier'>˘</span> <span class='Value'>a</span>
 ┌─       
 ╎ 0 1 2  
   0 1 2  
diff --git a/docs/help/choose.html b/docs/help/choose.html
index a337eebf..f56496f0 100644
--- a/docs/help/choose.html
+++ b/docs/help/choose.html
@@ -7,17 +7,17 @@
 <h1 id="circle-with-lower-right-quadrant-"><a class="header" href="#circle-with-lower-right-quadrant-">Circle with Lower Right Quadrant (<code><span class='Modifier2'>◶</span></code>)</a></h1>
 <h2 id="𝔽𝕘-𝕩-𝕨-𝔽𝕘-𝕩-choose"><a class="header" href="#𝔽𝕘-𝕩-𝕨-𝔽𝕘-𝕩-choose"><code><span class='Function'>𝔽</span><span class='Modifier2'>◶</span><span class='Value'>𝕘</span> <span class='Value'>𝕩</span></code>, <code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier2'>◶</span><span class='Value'>𝕘</span> <span class='Value'>𝕩</span></code>: Choose</a></h2>
 <p>Apply <code><span class='Function'>𝔽</span></code> to the arguments and use the result to <a href="first_pick.html#𝕨--𝕩-pick">pick</a> (<code><span class='Function'>⊑</span></code>) a function from list <code><span class='Value'>𝕘</span></code>. Apply the picked function to the arguments.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgRiDihpAg4oqi4pe2K+KAvy3igL/Dt+KAv8OXCgogICBGIDAKCiAgIEYgMQoKICAgRiAyCgogICBGIDM=">↗️</a><pre>       <span class='Function'>F</span> <span class='Gets'>←</span> <span class='Function'>⊢</span><span class='Modifier2'>◶</span><span class='Function'>+</span><span class='Ligature'>‿</span><span class='Function'>-</span><span class='Ligature'>‿</span><span class='Function'>÷</span><span class='Ligature'>‿</span><span class='Function'>×</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=RiDihpAg4oqi4pe2K+KAvy3igL/Dt+KAv8OXCgpGIDAKCkYgMQoKRiAyCgpGIDM=">↗️</a><pre>    <span class='Function'>F</span> <span class='Gets'>←</span> <span class='Function'>⊢</span><span class='Modifier2'>◶</span><span class='Function'>+</span><span class='Ligature'>‿</span><span class='Function'>-</span><span class='Ligature'>‿</span><span class='Function'>÷</span><span class='Ligature'>‿</span><span class='Function'>×</span>
 
-       <span class='Function'>F</span> <span class='Number'>0</span>
+    <span class='Function'>F</span> <span class='Number'>0</span>
 0
 
-       <span class='Function'>F</span> <span class='Number'>1</span>
+    <span class='Function'>F</span> <span class='Number'>1</span>
 ¯1
 
-       <span class='Function'>F</span> <span class='Number'>2</span>
+    <span class='Function'>F</span> <span class='Number'>2</span>
 0.5
 
-       <span class='Function'>F</span> <span class='Number'>3</span>
+    <span class='Function'>F</span> <span class='Number'>3</span>
 1
 </pre>
diff --git a/docs/help/classify_indexof.html b/docs/help/classify_indexof.html
index 43cc25fe..20149d89 100644
--- a/docs/help/classify_indexof.html
+++ b/docs/help/classify_indexof.html
@@ -7,22 +7,22 @@
 <h1 id="square-original-of-"><a class="header" href="#square-original-of-">Square Original Of (<code><span class='Function'>⊐</span></code>)</a></h1>
 <h2 id="-𝕩-classify"><a class="header" href="#-𝕩-classify"><code><span class='Function'>⊐</span> <span class='Value'>𝕩</span></code>: Classify</a></h2>
 <p>Translate major cells of <code><span class='Value'>𝕩</span></code> to unique ID numbers based on first occurrence.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oqQIDXigL824oC/MuKAvzLigL814oC/MQoKICAgYSDihpAgM+KAvzMg4qWKIDDigL8x4oC/MuKAvznigL8w4oC/OeKAvzDigL8x4oC/MgoKICAg4oqQIGE=">↗️</a><pre>       <span class='Function'>⊐</span> <span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oqQIDXigL824oC/MuKAvzLigL814oC/MQoKYSDihpAgM+KAvzMg4qWKIDDigL8x4oC/MuKAvznigL8w4oC/OeKAvzDigL8x4oC/MgoK4oqQIGE=">↗️</a><pre>    <span class='Function'>⊐</span> <span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>1</span>
 ⟨ 0 1 2 2 0 3 ⟩
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>9</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>9</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>9</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>9</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span>
 
-       <span class='Function'>⊐</span> <span class='Value'>a</span>
+    <span class='Function'>⊐</span> <span class='Value'>a</span>
 ⟨ 0 1 0 ⟩
 </pre>
 <h2 id="𝕨--𝕩-index-of"><a class="header" href="#𝕨--𝕩-index-of"><code><span class='Value'>𝕨</span> <span class='Function'>⊐</span> <span class='Value'>𝕩</span></code>: Index Of</a></h2>
 <p>First index of each major cell of <code><span class='Value'>𝕩</span></code> in <code><span class='Value'>𝕨</span></code>. Rank of <code><span class='Value'>𝕩</span></code> must be at least cell rank of <code><span class='Value'>𝕨</span></code>.</p>
 <p>If a cell is not found in <code><span class='Value'>𝕨</span></code>, the length of <code><span class='Value'>𝕨</span></code> (<code><span class='Function'>≠</span><span class='Value'>𝕨</span></code>) is used for that position.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgNeKAvzbigL8y4oC/MuKAvzXigL8xIOKKkCA14oC/N+KAvzHigL82CgogICBiIOKGkCAz4oC/MyDipYogMOKAvzHigL8y4oC/OeKAvzDigL854oC/MOKAvzHigL8yCgogICBiIOKKkCDiiY054oC/MOKAvzk=">↗️</a><pre>       <span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>1</span> <span class='Function'>⊐</span> <span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>6</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=NeKAvzbigL8y4oC/MuKAvzXigL8xIOKKkCA14oC/N+KAvzHigL82CgpiIOKGkCAz4oC/MyDipYogMOKAvzHigL8y4oC/OeKAvzDigL854oC/MOKAvzHigL8yCgpiIOKKkCDiiY054oC/MOKAvzk=">↗️</a><pre>    <span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>1</span> <span class='Function'>⊐</span> <span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>6</span>
 ⟨ 0 6 5 1 ⟩
 
-       <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>9</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>9</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span>
+    <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>9</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>9</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span>
 
-       <span class='Value'>b</span> <span class='Function'>⊐</span> <span class='Function'>≍</span><span class='Number'>9</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>9</span>
+    <span class='Value'>b</span> <span class='Function'>⊐</span> <span class='Function'>≍</span><span class='Number'>9</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>9</span>
 ⟨ 1 ⟩
 </pre>
diff --git a/docs/help/conjugate_add.html b/docs/help/conjugate_add.html
index 90d6575d..d7a40f8a 100644
--- a/docs/help/conjugate_add.html
+++ b/docs/help/conjugate_add.html
@@ -7,21 +7,21 @@
 <h1 id="plus-"><a class="header" href="#plus-">Plus (<code><span class='Function'>+</span></code>)</a></h1>
 <h2 id="-𝕩-conjugate"><a class="header" href="#-𝕩-conjugate"><code><span class='Function'>+</span> <span class='Value'>𝕩</span></code>: Conjugate</a></h2>
 <p>Complex conjugate of <code><span class='Value'>𝕩</span></code>. BQN doesn't support complex numbers yet, so it has no effect.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICArIDEKCiAgKyDCrzE=">↗️</a><pre>      <span class='Function'>+</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=KyAxCgorIMKvMQ==">↗️</a><pre>    <span class='Function'>+</span> <span class='Number'>1</span>
 1
 
-      <span class='Function'>+</span> <span class='Number'>¯1</span>
+    <span class='Function'>+</span> <span class='Number'>¯1</span>
 ¯1
 </pre>
 <h2 id="𝕨--𝕩-add"><a class="header" href="#𝕨--𝕩-add"><code><span class='Value'>𝕨</span> <span class='Function'>+</span> <span class='Value'>𝕩</span></code>: Add</a></h2>
 <p><code><span class='Value'>𝕨</span></code> added to <code><span class='Value'>𝕩</span></code>. Either <code><span class='Value'>𝕨</span></code> or <code><span class='Value'>𝕩</span></code> can be a character, and if so, the other has to be an integer.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxICsgMgoKICAxICsgMuKAvzPigL80CgogICdhJyArIDQ=">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>+</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSArIDIKCjEgKyAy4oC/M+KAvzQKCidhJyArIDQ=">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>+</span> <span class='Number'>2</span>
 3
 
-      <span class='Number'>1</span> <span class='Function'>+</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+    <span class='Number'>1</span> <span class='Function'>+</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 ⟨ 3 4 5 ⟩
 
-      <span class='String'>'a'</span> <span class='Function'>+</span> <span class='Number'>4</span>
+    <span class='String'>'a'</span> <span class='Function'>+</span> <span class='Number'>4</span>
 'e'
 </pre>
diff --git a/docs/help/constant.html b/docs/help/constant.html
index 39d27160..17ba5562 100644
--- a/docs/help/constant.html
+++ b/docs/help/constant.html
@@ -7,9 +7,9 @@
 <h1 id="dot-above-"><a class="header" href="#dot-above-">Dot Above (<code><span class='Modifier'>˙</span></code>)</a></h1>
 <h2 id="𝔽-𝕩-𝕨-𝔽-𝕩-constant"><a class="header" href="#𝔽-𝕩-𝕨-𝔽-𝕩-constant"><code><span class='Function'>𝔽</span><span class='Modifier'>˙</span> <span class='Value'>𝕩</span></code>, <code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier'>˙</span> <span class='Value'>𝕩</span></code>: Constant</a></h2>
 <p>Returns a function that will always return <code><span class='Value'>𝕗</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgImhlbGxvIiAxy5kgMgoKICAgImhlbGxvIiB78J2VqCvwnZWpfcuZIDI=">↗️</a><pre>       <span class='String'>&quot;hello&quot;</span> <span class='Number'>1</span><span class='Modifier'>˙</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ImhlbGxvIiAxy5kgMgoKImhlbGxvIiB78J2VqCvwnZWpfcuZIDI=">↗️</a><pre>    <span class='String'>&quot;hello&quot;</span> <span class='Number'>1</span><span class='Modifier'>˙</span> <span class='Number'>2</span>
 1
 
-       <span class='String'>&quot;hello&quot;</span> <span class='Brace'>{</span><span class='Value'>𝕨</span><span class='Function'>+</span><span class='Value'>𝕩</span><span class='Brace'>}</span><span class='Modifier'>˙</span> <span class='Number'>2</span>
+    <span class='String'>&quot;hello&quot;</span> <span class='Brace'>{</span><span class='Value'>𝕨</span><span class='Function'>+</span><span class='Value'>𝕩</span><span class='Brace'>}</span><span class='Modifier'>˙</span> <span class='Number'>2</span>
 (function block)
 </pre>
diff --git a/docs/help/deduplicate_find.html b/docs/help/deduplicate_find.html
index cefe3b8f..917a2cff 100644
--- a/docs/help/deduplicate_find.html
+++ b/docs/help/deduplicate_find.html
@@ -7,12 +7,12 @@
 <h1 id="epsilon-underbar-"><a class="header" href="#epsilon-underbar-">Epsilon Underbar (<code><span class='Function'>⍷</span></code>)</a></h1>
 <h2 id="-𝕩-deduplicate"><a class="header" href="#-𝕩-deduplicate"><code><span class='Function'>⍷</span> <span class='Value'>𝕩</span></code>: Deduplicate</a></h2>
 <p>Unique major cells of <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4o23IDTigL814oC/NuKAvzbigL804oC/N+KAvzUKCiAgIGEg4oaQIDPigL8zIOKliiDihpU2CgogICDijbcgYQ==">↗️</a><pre>       <span class='Function'>⍷</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4o23IDTigL814oC/NuKAvzbigL804oC/N+KAvzUKCmEg4oaQIDPigL8zIOKliiDihpU2CgrijbcgYQ==">↗️</a><pre>    <span class='Function'>⍷</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
 ⟨ 4 5 6 7 ⟩
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>6</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>6</span>
 
-       <span class='Function'>⍷</span> <span class='Value'>a</span>
+    <span class='Function'>⍷</span> <span class='Value'>a</span>
 ┌─       
 ╵ 0 1 2  
   3 4 5  
@@ -21,17 +21,17 @@
 <h2 id="𝕨--𝕩-find"><a class="header" href="#𝕨--𝕩-find"><code><span class='Value'>𝕨</span> <span class='Function'>⍷</span> <span class='Value'>𝕩</span></code>: Find</a></h2>
 <p>Mark the top left location of the occurrences of <code><span class='Value'>𝕨</span></code> in <code><span class='Value'>𝕩</span></code> with a 1, and other locations with 0.</p>
 <p>Result is the same shape as <code><span class='Paren'>(</span><span class='Function'>≢</span><span class='Value'>𝕨</span><span class='Paren'>)</span><span class='Function'>↕</span><span class='Value'>x</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgInN0cmluZyIg4o23ICJzdWJzdHJpbmciCgogICAibG9vb29vb25nIiDijbcgInNob3J0IgoKICAgYiDihpAgNyAoNHzii4bLnCnijJzil4vihpUgOQoKICAgYyDihpAgKDDigL8z4oC/MOKJjTDigL8x4oC/MCkKCiAgIGMg4o23IGI=">↗️</a><pre>       <span class='String'>&quot;string&quot;</span> <span class='Function'>⍷</span> <span class='String'>&quot;substring&quot;</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=InN0cmluZyIg4o23ICJzdWJzdHJpbmciCgoibG9vb29vb25nIiDijbcgInNob3J0IgoKYiDihpAgNyAoNHzii4bLnCnijJzil4vihpUgOQoKYyDihpAgKDDigL8z4oC/MOKJjTDigL8x4oC/MCkKCmMg4o23IGI=">↗️</a><pre>    <span class='String'>&quot;string&quot;</span> <span class='Function'>⍷</span> <span class='String'>&quot;substring&quot;</span>
 ⟨ 0 0 0 1 ⟩
 
-       <span class='String'>&quot;loooooong&quot;</span> <span class='Function'>⍷</span> <span class='String'>&quot;short&quot;</span>
+    <span class='String'>&quot;loooooong&quot;</span> <span class='Function'>⍷</span> <span class='String'>&quot;short&quot;</span>
 ⟨⟩
 
-       <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>7</span> <span class='Paren'>(</span><span class='Number'>4</span><span class='Function'>|⋆</span><span class='Modifier'>˜</span><span class='Paren'>)</span><span class='Modifier'>⌜</span><span class='Modifier2'>○</span><span class='Function'>↕</span> <span class='Number'>9</span>
+    <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>7</span> <span class='Paren'>(</span><span class='Number'>4</span><span class='Function'>|⋆</span><span class='Modifier'>˜</span><span class='Paren'>)</span><span class='Modifier'>⌜</span><span class='Modifier2'>○</span><span class='Function'>↕</span> <span class='Number'>9</span>
 
-       <span class='Value'>c</span> <span class='Gets'>←</span> <span class='Paren'>(</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Function'>≍</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Paren'>)</span>
+    <span class='Value'>c</span> <span class='Gets'>←</span> <span class='Paren'>(</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Function'>≍</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Paren'>)</span>
 
-       <span class='Value'>c</span> <span class='Function'>⍷</span> <span class='Value'>b</span>
+    <span class='Value'>c</span> <span class='Function'>⍷</span> <span class='Value'>b</span>
 ┌─               
 ╵ 0 0 0 0 0 0 0  
   0 0 0 0 0 0 0  
diff --git a/docs/help/depth.html b/docs/help/depth.html
index 5824fc71..60a8f01a 100644
--- a/docs/help/depth.html
+++ b/docs/help/depth.html
@@ -7,9 +7,9 @@
 <h1 id="circle-with-two-dots-"><a class="header" href="#circle-with-two-dots-">Circle With Two Dots (<code><span class='Modifier2'>⚇</span></code>)</a></h1>
 <h2 id="𝔽𝕘-𝕩-𝕨-𝔽𝕘-𝕩-depth"><a class="header" href="#𝔽𝕘-𝕩-𝕨-𝔽𝕘-𝕩-depth"><code><span class='Function'>𝔽</span><span class='Modifier2'>⚇</span><span class='Value'>𝕘</span> <span class='Value'>𝕩</span></code>, <code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier2'>⚇</span><span class='Value'>𝕘</span> <span class='Value'>𝕩</span></code>: Depth</a></h2>
 <p>Apply <code><span class='Function'>𝔽</span></code> to the cells of the arguments at depth given in <code><span class='Value'>𝕘</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMeKKuOKGk+KahzEg4p+o4p+oMSwyLDPin6ksIOKfqDQsNSw24p+p4p+pCgogICAxIOKGk+KahzEg4p+o4p+oMSwyLDPin6ksIOKfqDQsNSw24p+p4p+p">↗️</a><pre>       <span class='Number'>1</span><span class='Modifier2'>⊸</span><span class='Function'>↓</span><span class='Modifier2'>⚇</span><span class='Number'>1</span> <span class='Bracket'>⟨⟨</span><span class='Number'>1</span><span class='Separator'>,</span><span class='Number'>2</span><span class='Separator'>,</span><span class='Number'>3</span><span class='Bracket'>⟩</span><span class='Separator'>,</span> <span class='Bracket'>⟨</span><span class='Number'>4</span><span class='Separator'>,</span><span class='Number'>5</span><span class='Separator'>,</span><span class='Number'>6</span><span class='Bracket'>⟩⟩</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MeKKuOKGk+KahzEg4p+o4p+oMSwyLDPin6ksIOKfqDQsNSw24p+p4p+pCgoxIOKGk+KahzEg4p+o4p+oMSwyLDPin6ksIOKfqDQsNSw24p+p4p+p">↗️</a><pre>    <span class='Number'>1</span><span class='Modifier2'>⊸</span><span class='Function'>↓</span><span class='Modifier2'>⚇</span><span class='Number'>1</span> <span class='Bracket'>⟨⟨</span><span class='Number'>1</span><span class='Separator'>,</span><span class='Number'>2</span><span class='Separator'>,</span><span class='Number'>3</span><span class='Bracket'>⟩</span><span class='Separator'>,</span> <span class='Bracket'>⟨</span><span class='Number'>4</span><span class='Separator'>,</span><span class='Number'>5</span><span class='Separator'>,</span><span class='Number'>6</span><span class='Bracket'>⟩⟩</span>
 ⟨ ⟨ 2 3 ⟩ ⟨ 5 6 ⟩ ⟩
 
-       <span class='Number'>1</span> <span class='Function'>↓</span><span class='Modifier2'>⚇</span><span class='Number'>1</span> <span class='Bracket'>⟨⟨</span><span class='Number'>1</span><span class='Separator'>,</span><span class='Number'>2</span><span class='Separator'>,</span><span class='Number'>3</span><span class='Bracket'>⟩</span><span class='Separator'>,</span> <span class='Bracket'>⟨</span><span class='Number'>4</span><span class='Separator'>,</span><span class='Number'>5</span><span class='Separator'>,</span><span class='Number'>6</span><span class='Bracket'>⟩⟩</span>
+    <span class='Number'>1</span> <span class='Function'>↓</span><span class='Modifier2'>⚇</span><span class='Number'>1</span> <span class='Bracket'>⟨⟨</span><span class='Number'>1</span><span class='Separator'>,</span><span class='Number'>2</span><span class='Separator'>,</span><span class='Number'>3</span><span class='Bracket'>⟩</span><span class='Separator'>,</span> <span class='Bracket'>⟨</span><span class='Number'>4</span><span class='Separator'>,</span><span class='Number'>5</span><span class='Separator'>,</span><span class='Number'>6</span><span class='Bracket'>⟩⟩</span>
 ⟨ ⟨ 2 3 ⟩ ⟨ 5 6 ⟩ ⟩
 </pre>
diff --git a/docs/help/depth_match.html b/docs/help/depth_match.html
index 5087c84f..90bf93bc 100644
--- a/docs/help/depth_match.html
+++ b/docs/help/depth_match.html
@@ -7,20 +7,20 @@
 <h1 id="identical-to-"><a class="header" href="#identical-to-">Identical To (<code><span class='Function'>≡</span></code>)</a></h1>
 <h2 id="-𝕩-depth"><a class="header" href="#-𝕩-depth"><code><span class='Function'>≡</span> <span class='Value'>𝕩</span></code>: Depth</a></h2>
 <p>Highest level of nesting in <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDiiaEgMuKAvzPigL80CgogIOKJoSDin6gyLDwzLDQsPDw8NeKfqQoKICDiiaEgOQ==">↗️</a><pre>      <span class='Function'>≡</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4omhIDLigL8z4oC/NAoK4omhIOKfqDIsPDMsNCw8PDw14p+pCgriiaEgOQ==">↗️</a><pre>    <span class='Function'>≡</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 1
 
-      <span class='Function'>≡</span> <span class='Bracket'>⟨</span><span class='Number'>2</span><span class='Separator'>,</span><span class='Function'>&lt;</span><span class='Number'>3</span><span class='Separator'>,</span><span class='Number'>4</span><span class='Separator'>,</span><span class='Function'>&lt;&lt;&lt;</span><span class='Number'>5</span><span class='Bracket'>⟩</span>
+    <span class='Function'>≡</span> <span class='Bracket'>⟨</span><span class='Number'>2</span><span class='Separator'>,</span><span class='Function'>&lt;</span><span class='Number'>3</span><span class='Separator'>,</span><span class='Number'>4</span><span class='Separator'>,</span><span class='Function'>&lt;&lt;&lt;</span><span class='Number'>5</span><span class='Bracket'>⟩</span>
 4
 
-      <span class='Function'>≡</span> <span class='Number'>9</span>
+    <span class='Function'>≡</span> <span class='Number'>9</span>
 0
 </pre>
 <h2 id="𝕨--𝕩-match"><a class="header" href="#𝕨--𝕩-match"><code><span class='Value'>𝕨</span> <span class='Function'>≡</span> <span class='Value'>𝕩</span></code>: Match</a></h2>
 <p>Does <code><span class='Value'>𝕨</span></code> exactly match <code><span class='Value'>𝕩</span></code>?</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIOKJoSDin6gx4p+pCgogIOKfqDHin6kg4omhIOKfqDHin6k=">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>≡</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDiiaEg4p+oMeKfqQoK4p+oMeKfqSDiiaEg4p+oMeKfqQ==">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>≡</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span>
 0
 
-      <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span> <span class='Function'>≡</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span>
+    <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span> <span class='Function'>≡</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span>
 1
 </pre>
diff --git a/docs/help/deshape_reshape.html b/docs/help/deshape_reshape.html
index e4a4b266..bdc2f111 100644
--- a/docs/help/deshape_reshape.html
+++ b/docs/help/deshape_reshape.html
@@ -7,10 +7,10 @@
 <h1 id="barb-"><a class="header" href="#barb-">Barb (<code><span class='Function'>⥊</span></code>)</a></h1>
 <h2 id="-𝕩-deshape"><a class="header" href="#-𝕩-deshape"><code><span class='Function'>⥊</span> <span class='Value'>𝕩</span></code>: Deshape</a></h2>
 <p>Put all elements of <code><span class='Value'>𝕩</span></code> in a rank 1 array, promoting to an array if necessary.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgICAg4qWKIDEKCiAgICAgIOKliiAx4oC/MiDiiY0gM+KAvzQ=">↗️</a><pre>          <span class='Function'>⥊</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4qWKIDEKCuKliiAx4oC/MiDiiY0gM+KAvzQ=">↗️</a><pre>    <span class='Function'>⥊</span> <span class='Number'>1</span>
 ⟨ 1 ⟩
 
-          <span class='Function'>⥊</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>≍</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+    <span class='Function'>⥊</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>≍</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 ⟨ 1 2 3 4 ⟩
 </pre>
 <h2 id="𝕨--𝕩-reshape"><a class="header" href="#𝕨--𝕩-reshape"><code><span class='Value'>𝕨</span> <span class='Function'>⥊</span> <span class='Value'>𝕩</span></code>: Reshape</a></h2>
@@ -22,21 +22,21 @@
 <li><code><span class='Function'>⌽</span></code> Round length up</li>
 <li><code><span class='Function'>↑</span></code> Round length up, and use element fill to add extra elements.</li>
 </ul>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgICAgM+KAvzMg4qWKIDMKCiAgICAgIDLigL/ijL3igL8yIOKliiAx4oC/MuKAvzMKCiAgICAgIDLigL/ihpHigL8yIOKliiAx4oC/MuKAvzM=">↗️</a><pre>          <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=M+KAvzMg4qWKIDMKCjLigL/ijL3igL8yIOKliiAx4oC/MuKAvzMKCjLigL/ihpHigL8yIOKliiAx4oC/MuKAvzM=">↗️</a><pre>    <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>3</span>
 ┌─       
 ╵ 3 3 3  
   3 3 3  
   3 3 3  
         ┘
 
-          <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Function'>⌽</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>⥊</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Function'>⌽</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>⥊</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ┌─     
 ╎ 1 2  
        
   3 1  
       ┘
 
-          <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Function'>↑</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>⥊</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Function'>↑</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>⥊</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ┌─     
 ╎ 1 2  
        
diff --git a/docs/help/each.html b/docs/help/each.html
index 847fb59e..da13f6f3 100644
--- a/docs/help/each.html
+++ b/docs/help/each.html
@@ -7,13 +7,13 @@
 <h1 id="diaresis-"><a class="header" href="#diaresis-">Diaresis (<code><span class='Modifier'>¨</span></code>)</a></h1>
 <h2 id="𝔽-𝕩-𝕨-𝔽-𝕩-each"><a class="header" href="#𝔽-𝕩-𝕨-𝔽-𝕩-each"><code><span class='Function'>𝔽</span><span class='Modifier'>¨</span> <span class='Value'>𝕩</span></code>, <code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier'>¨</span> <span class='Value'>𝕩</span></code>: Each</a></h2>
 <p>Apply <code><span class='Function'>𝔽</span></code> to/between the elements of the arguments. (<code><span class='Function'>𝔽</span><span class='Modifier2'>⚇</span><span class='Number'>¯1</span></code>)</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgPMKoIDHigL8y4oC/MwoKICAgNOKAvzXigL82IOKIvsKoIDHigL8y4oC/Mw==">↗️</a><pre>       <span class='Function'>&lt;</span><span class='Modifier'>¨</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=PMKoIDHigL8y4oC/MwoKNOKAvzXigL82IOKIvsKoIDHigL8y4oC/Mw==">↗️</a><pre>    <span class='Function'>&lt;</span><span class='Modifier'>¨</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ┌─                   
 · ┌·    ┌·    ┌·     
   · 1   · 2   · 3    
       ┘     ┘     ┘  
                     ┘
 
-       <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span> <span class='Function'>∾</span><span class='Modifier'>¨</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span> <span class='Function'>∾</span><span class='Modifier'>¨</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ ⟨ 4 1 ⟩ ⟨ 5 2 ⟩ ⟨ 6 3 ⟩ ⟩
 </pre>
diff --git a/docs/help/enclose_lessthan.html b/docs/help/enclose_lessthan.html
index cd25e124..2e543ee4 100644
--- a/docs/help/enclose_lessthan.html
+++ b/docs/help/enclose_lessthan.html
@@ -7,21 +7,21 @@
 <h1 id="lesser-than-"><a class="header" href="#lesser-than-">Lesser Than (<code><span class='Function'>&lt;</span></code>)</a></h1>
 <h2 id="-𝕩-enclose"><a class="header" href="#-𝕩-enclose"><code><span class='Function'>&lt;</span> <span class='Value'>𝕩</span></code>: Enclose</a></h2>
 <p>Create a unit array containing <code><span class='Value'>𝕩</span></code>. (<code><span class='Paren'>(</span><span class='Function'>≢&lt;</span><span class='Value'>𝕩</span><span class='Paren'>)</span> <span class='Function'>≡</span> <span class='Bracket'>⟨⟩</span></code>)</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICA8MQoKCiAg4omiPDE=">↗️</a><pre>      <span class='Function'>&lt;</span><span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=PDEKCgriiaI8MQ==">↗️</a><pre>    <span class='Function'>&lt;</span><span class='Number'>1</span>
 ┌·   
 · 1  
     ┘
 
 
-      <span class='Function'>≢&lt;</span><span class='Number'>1</span>
+    <span class='Function'>≢&lt;</span><span class='Number'>1</span>
 ⟨⟩
 </pre>
 <h2 id="𝕨--𝕩-lesser-than"><a class="header" href="#𝕨--𝕩-lesser-than"><code><span class='Value'>𝕨</span> <span class='Function'>&lt;</span> <span class='Value'>𝕩</span></code>: Lesser Than</a></h2>
 <p><code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code> can both be either numbers or characters.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIDwgMwoKICAy4oC/M+KAvzAgPCAz4oC/MeKAvzA=">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>&lt;</span> <span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSA8IDMKCjLigL8z4oC/MCA8IDPigL8x4oC/MA==">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>&lt;</span> <span class='Number'>3</span>
 1
 
-      <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>&lt;</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>&lt;</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
 ⟨ 1 0 0 ⟩
 </pre>
diff --git a/docs/help/enlist_pair.html b/docs/help/enlist_pair.html
index 2915532b..2ec78670 100644
--- a/docs/help/enlist_pair.html
+++ b/docs/help/enlist_pair.html
@@ -7,10 +7,10 @@
 <h1 id="bow-tie-"><a class="header" href="#bow-tie-">Bow Tie (<code><span class='Function'>⋈</span></code>)</a></h1>
 <h2 id="-𝕩-enlist"><a class="header" href="#-𝕩-enlist"><code><span class='Function'>⋈</span> <span class='Value'>𝕩</span></code>: Enlist</a></h2>
 <p>Put <code><span class='Value'>𝕩</span></code> in a single element list. (<code><span class='Bracket'>⟨</span><span class='Value'>𝕩</span><span class='Bracket'>⟩</span></code>)</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDii4ggMQoKICDii4ggNOKAvzQg4qWKIDPigL82N+KAvzjigL8w">↗️</a><pre>      <span class='Function'>⋈</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4ouIIDEKCuKLiCA04oC/NCDipYogM+KAvzY34oC/OOKAvzA=">↗️</a><pre>    <span class='Function'>⋈</span> <span class='Number'>1</span>
 ⟨ 1 ⟩
 
-      <span class='Function'>⋈</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>⥊</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>67</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>0</span>
+    <span class='Function'>⋈</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>⥊</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>67</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>0</span>
 ┌─              
 · ┌─            
   ╵ 3 67 8 0    
@@ -22,13 +22,13 @@
 </pre>
 <h2 id="𝕨--𝕩-pair"><a class="header" href="#𝕨--𝕩-pair"><code><span class='Value'>𝕨</span> <span class='Function'>⋈</span> <span class='Value'>𝕩</span></code>: Pair</a></h2>
 <p>Put <code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code> in a two element list. (<code><span class='Bracket'>⟨</span><span class='Value'>𝕨</span><span class='Separator'>,</span> <span class='Value'>𝕩</span><span class='Bracket'>⟩</span></code>)</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIOKLiCAyCgogIDEg4ouIICJkc2Rhc2RhcyIKCiAgKDPigL8zIOKliiAzKSDii4ggNjfigL8nYSfigL8iZXhhbXBsZSI=">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>⋈</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDii4ggMgoKMSDii4ggImRzZGFzZGFzIgoKKDPigL8zIOKliiAzKSDii4ggNjfigL8nYSfigL8iZXhhbXBsZSI=">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>⋈</span> <span class='Number'>2</span>
 ⟨ 1 2 ⟩
 
-      <span class='Number'>1</span> <span class='Function'>⋈</span> <span class='String'>&quot;dsdasdas&quot;</span>
+    <span class='Number'>1</span> <span class='Function'>⋈</span> <span class='String'>&quot;dsdasdas&quot;</span>
 ⟨ 1 "dsdasdas" ⟩
 
-      <span class='Paren'>(</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>3</span><span class='Paren'>)</span> <span class='Function'>⋈</span> <span class='Number'>67</span><span class='Ligature'>‿</span><span class='String'>'a'</span><span class='Ligature'>‿</span><span class='String'>&quot;example&quot;</span>
+    <span class='Paren'>(</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>3</span><span class='Paren'>)</span> <span class='Function'>⋈</span> <span class='Number'>67</span><span class='Ligature'>‿</span><span class='String'>'a'</span><span class='Ligature'>‿</span><span class='String'>&quot;example&quot;</span>
 ┌─                                
 · ┌─        ⟨ 67 'a' "example" ⟩  
   ╵ 3 3 3                         
diff --git a/docs/help/exponential_power.html b/docs/help/exponential_power.html
index e063d1f9..ee605102 100644
--- a/docs/help/exponential_power.html
+++ b/docs/help/exponential_power.html
@@ -8,18 +8,18 @@
 <h2 id="-𝕩-exponential"><a class="header" href="#-𝕩-exponential"><code><span class='Function'>⋆</span> <span class='Value'>𝕩</span></code>: Exponential</a></h2>
 <p><code><span class='Value'>e</span></code> (Euler's constant) to the power of <code><span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDii4YgMOKAvzHigL8y4oC/Mw==">↗️</a><pre>      <span class='Function'>⋆</span> <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4ouGIDDigL8x4oC/MuKAvzM=">↗️</a><pre>    <span class='Function'>⋆</span> <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 1 2.718281828459045 7.38905609893065 20.08553692318767 ⟩
 </pre>
 <h2 id="𝕨--𝕩-power"><a class="header" href="#𝕨--𝕩-power"><code><span class='Value'>𝕨</span> <span class='Function'>⋆</span> <span class='Value'>𝕩</span></code>: Power</a></h2>
 <p><code><span class='Value'>𝕨</span></code> to the power of <code><span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAyIOKLhiA1CgogIDjigL814oC/OSDii4YgMgoKICAy4oC/MyDii4YgM+KAv8KvNA==">↗️</a><pre>      <span class='Number'>2</span> <span class='Function'>⋆</span> <span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MiDii4YgNQoKOOKAvzXigL85IOKLhiAyCgoy4oC/MyDii4YgM+KAv8KvNA==">↗️</a><pre>    <span class='Number'>2</span> <span class='Function'>⋆</span> <span class='Number'>5</span>
 32
 
-      <span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>9</span> <span class='Function'>⋆</span> <span class='Number'>2</span>
+    <span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>9</span> <span class='Function'>⋆</span> <span class='Number'>2</span>
 ⟨ 64 25 81 ⟩
 
-      <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⋆</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>¯4</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⋆</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>¯4</span>
 ⟨ 8 0.01234567901234568 ⟩
 </pre>
diff --git a/docs/help/first_pick.html b/docs/help/first_pick.html
index 1e70daf4..043b5733 100644
--- a/docs/help/first_pick.html
+++ b/docs/help/first_pick.html
@@ -7,21 +7,21 @@
 <h1 id="square-image-of-or-equal-to-"><a class="header" href="#square-image-of-or-equal-to-">Square Image Of Or Equal To (<code><span class='Function'>⊑</span></code>)</a></h1>
 <h2 id="-𝕩-first"><a class="header" href="#-𝕩-first"><code><span class='Function'>⊑</span> <span class='Value'>𝕩</span></code>: First</a></h2>
 <p>First element of <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oqRIOKfqDEsIDIsIDPin6kKCiAgIGEg4oaQIDPigL8zIOKliiDihpU5CgogICDiipEgYQ==">↗️</a><pre>       <span class='Function'>⊑</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oqRIOKfqDEsIDIsIDPin6kKCmEg4oaQIDPigL8zIOKliiDihpU5CgriipEgYQ==">↗️</a><pre>    <span class='Function'>⊑</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
 1
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Function'>⊑</span> <span class='Value'>a</span>
+    <span class='Function'>⊑</span> <span class='Value'>a</span>
 0
 </pre>
 <h2 id="𝕨--𝕩-pick"><a class="header" href="#𝕨--𝕩-pick"><code><span class='Value'>𝕨</span> <span class='Function'>⊑</span> <span class='Value'>𝕩</span></code>: Pick</a></h2>
 <p>Pick the element of <code><span class='Value'>𝕨</span></code> at index <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMiDiipEg4p+oMSwgMiwgM+KfqQoKICAgYiDihpAgM+KAvzMg4qWKIOKGlTkKCiAgIDLigL8wIOKKkSBi">↗️</a><pre>       <span class='Number'>2</span> <span class='Function'>⊑</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MiDiipEg4p+oMSwgMiwgM+KfqQoKYiDihpAgM+KAvzMg4qWKIOKGlTkKCjLigL8wIOKKkSBi">↗️</a><pre>    <span class='Number'>2</span> <span class='Function'>⊑</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
 3
 
-       <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+    <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>⊑</span> <span class='Value'>b</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>⊑</span> <span class='Value'>b</span>
 6
 </pre>
diff --git a/docs/help/firstcell_select.html b/docs/help/firstcell_select.html
index c24a2bcd..69e45512 100644
--- a/docs/help/firstcell_select.html
+++ b/docs/help/firstcell_select.html
@@ -7,24 +7,24 @@
 <h1 id="square-image-of-"><a class="header" href="#square-image-of-">Square Image Of (<code><span class='Function'>⊏</span></code>)</a></h1>
 <h2 id="-𝕩-first-cell"><a class="header" href="#-𝕩-first-cell"><code><span class='Function'>⊏</span> <span class='Value'>𝕩</span></code>: First Cell</a></h2>
 <p>First major cell of <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oqPIOKfqDEsIDIsIDPin6kKCiAgIGEg4oaQIDPigL8zIOKliiDihpU5CgogICDiio8gYQ==">↗️</a><pre>       <span class='Function'>⊏</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oqPIOKfqDEsIDIsIDPin6kKCmEg4oaQIDPigL8zIOKliiDihpU5Cgriio8gYQ==">↗️</a><pre>    <span class='Function'>⊏</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
 ┌·   
 · 1  
     ┘
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Function'>⊏</span> <span class='Value'>a</span>
+    <span class='Function'>⊏</span> <span class='Value'>a</span>
 ⟨ 0 1 2 ⟩
 </pre>
 <h2 id="𝕨--𝕩-select"><a class="header" href="#𝕨--𝕩-select"><code><span class='Value'>𝕨</span> <span class='Function'>⊏</span> <span class='Value'>𝕩</span></code>: Select</a></h2>
 <p>Select the major cells of <code><span class='Value'>𝕨</span></code> at the indices in <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMuKAvzAg4oqPIOKfqDEsIDIsIDPin6kKCiAgIGIg4oaQIDPigL8zIOKliiDihpU5CgogICAy4oC/MCDiio8gYg==">↗️</a><pre>       <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>⊏</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MuKAvzAg4oqPIOKfqDEsIDIsIDPin6kKCmIg4oaQIDPigL8zIOKliiDihpU5Cgoy4oC/MCDiio8gYg==">↗️</a><pre>    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>⊏</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
 ⟨ 3 1 ⟩
 
-       <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+    <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>⊏</span> <span class='Value'>b</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>⊏</span> <span class='Value'>b</span>
 ┌─       
 ╵ 6 7 8  
   0 1 2  
diff --git a/docs/help/floor_minimum.html b/docs/help/floor_minimum.html
index 80311137..6b12ec28 100644
--- a/docs/help/floor_minimum.html
+++ b/docs/help/floor_minimum.html
@@ -8,15 +8,15 @@
 <h2 id="-𝕩-floor"><a class="header" href="#-𝕩-floor"><code><span class='Function'>⌊</span> <span class='Value'>𝕩</span></code>: Floor</a></h2>
 <p>Round <code><span class='Value'>𝕩</span></code> down to the nearest integer.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDijIogMS4y4oC/z4DigL8z4oC/Ny44OQ==">↗️</a><pre>      <span class='Function'>⌊</span> <span class='Number'>1.2</span><span class='Ligature'>‿</span><span class='Number'>π</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>7.89</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oyKIDEuMuKAv8+A4oC/M+KAvzcuODk=">↗️</a><pre>    <span class='Function'>⌊</span> <span class='Number'>1.2</span><span class='Ligature'>‿</span><span class='Number'>π</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>7.89</span>
 ⟨ 1 3 3 7 ⟩
 </pre>
 <h2 id="𝕨--𝕩-minimum"><a class="header" href="#𝕨--𝕩-minimum"><code><span class='Value'>𝕨</span> <span class='Function'>⌊</span> <span class='Value'>𝕩</span></code>: Minimum</a></h2>
 <p>Minimum of <code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIOKMiiAyCgogIDLigL8zIOKMiiA04oC/Mg==">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>⌊</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDijIogMgoKMuKAvzMg4oyKIDTigL8y">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>⌊</span> <span class='Number'>2</span>
 1
 
-      <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⌊</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>2</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⌊</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>2</span>
 ⟨ 2 2 ⟩
 </pre>
diff --git a/docs/help/fold.html b/docs/help/fold.html
index e771ca60..cbe5f393 100644
--- a/docs/help/fold.html
+++ b/docs/help/fold.html
@@ -8,29 +8,29 @@
 <h2 id="𝔽-𝕩-fold"><a class="header" href="#𝔽-𝕩-fold"><code><span class='Function'>𝔽</span><span class='Modifier'>´</span> <span class='Value'>𝕩</span></code>: Fold</a></h2>
 <p>Fold over <code><span class='Value'>𝕩</span></code> with <code><span class='Function'>𝔽</span></code> from right to left i.e. Insert <code><span class='Function'>𝔽</span></code> between the elements of <code><span class='Value'>𝕩</span></code>.</p>
 <p><code><span class='Value'>𝕩</span></code> must be a simple list (<code><span class='Number'>1</span> <span class='Function'>=</span> <span class='Function'>=</span><span class='Value'>𝕩</span></code>).</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgK8K0IDHigL8y4oC/MwoKICAgMSsyKzMKCiAgIC3CtCAx4oC/MuKAvzMKCiAgIDEtMi0z">↗️</a><pre>       <span class='Function'>+</span><span class='Modifier'>´</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=K8K0IDHigL8y4oC/MwoKMSsyKzMKCi3CtCAx4oC/MuKAvzMKCjEtMi0z">↗️</a><pre>    <span class='Function'>+</span><span class='Modifier'>´</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 6
 
-       <span class='Number'>1</span><span class='Function'>+</span><span class='Number'>2</span><span class='Function'>+</span><span class='Number'>3</span>
+    <span class='Number'>1</span><span class='Function'>+</span><span class='Number'>2</span><span class='Function'>+</span><span class='Number'>3</span>
 6
 
-       <span class='Function'>-</span><span class='Modifier'>´</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Function'>-</span><span class='Modifier'>´</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 2
 
-       <span class='Number'>1</span><span class='Function'>-</span><span class='Number'>2</span><span class='Function'>-</span><span class='Number'>3</span>
+    <span class='Number'>1</span><span class='Function'>-</span><span class='Number'>2</span><span class='Function'>-</span><span class='Number'>3</span>
 2
 </pre>
 <h2 id="𝕨-𝔽-𝕩-fold-with-initial"><a class="header" href="#𝕨-𝔽-𝕩-fold-with-initial"><code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier'>´</span> <span class='Value'>𝕩</span></code>: Fold With Initial</a></h2>
 <p>Monadic fold, but use <code><span class='Value'>𝕨</span></code> as initial right argument.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgNSArwrQgMeKAvzLigL8zCgogICAxKzIrMys1CgogICA1IC3CtCAx4oC/MuKAvzMKCiAgIDEtMi0zLTU=">↗️</a><pre>       <span class='Number'>5</span> <span class='Function'>+</span><span class='Modifier'>´</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=NSArwrQgMeKAvzLigL8zCgoxKzIrMys1Cgo1IC3CtCAx4oC/MuKAvzMKCjEtMi0zLTU=">↗️</a><pre>    <span class='Number'>5</span> <span class='Function'>+</span><span class='Modifier'>´</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 11
 
-       <span class='Number'>1</span><span class='Function'>+</span><span class='Number'>2</span><span class='Function'>+</span><span class='Number'>3</span><span class='Function'>+</span><span class='Number'>5</span>
+    <span class='Number'>1</span><span class='Function'>+</span><span class='Number'>2</span><span class='Function'>+</span><span class='Number'>3</span><span class='Function'>+</span><span class='Number'>5</span>
 11
 
-       <span class='Number'>5</span> <span class='Function'>-</span><span class='Modifier'>´</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Number'>5</span> <span class='Function'>-</span><span class='Modifier'>´</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ¯3
 
-       <span class='Number'>1</span><span class='Function'>-</span><span class='Number'>2</span><span class='Function'>-</span><span class='Number'>3</span><span class='Function'>-</span><span class='Number'>5</span>
+    <span class='Number'>1</span><span class='Function'>-</span><span class='Number'>2</span><span class='Function'>-</span><span class='Number'>3</span><span class='Function'>-</span><span class='Number'>5</span>
 ¯3
 </pre>
diff --git a/docs/help/gradedown_binsdown.html b/docs/help/gradedown_binsdown.html
index 24a10693..9c68f2aa 100644
--- a/docs/help/gradedown_binsdown.html
+++ b/docs/help/gradedown_binsdown.html
@@ -7,23 +7,23 @@
 <h1 id="del-stile-"><a class="header" href="#del-stile-">Del Stile (<code><span class='Function'>⍒</span></code>)</a></h1>
 <h2 id="-𝕩-grade-down"><a class="header" href="#-𝕩-grade-down"><code><span class='Function'>⍒</span> <span class='Value'>𝕩</span></code>: Grade Down</a></h2>
 <p>Indices of <code><span class='Value'>𝕩</span></code> that would sort its major cells in descending order.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgYSDihpAgMeKAvzLigL8zCgogICDijZIgYQoKICAgKOKNkmEpIOKKjyBh">↗️</a><pre>       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=YSDihpAgMeKAvzLigL8zCgrijZIgYQoKKOKNkmEpIOKKjyBh">↗️</a><pre>    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 
-       <span class='Function'>⍒</span> <span class='Value'>a</span>
+    <span class='Function'>⍒</span> <span class='Value'>a</span>
 ⟨ 2 1 0 ⟩
 
-       <span class='Paren'>(</span><span class='Function'>⍒</span><span class='Value'>a</span><span class='Paren'>)</span> <span class='Function'>⊏</span> <span class='Value'>a</span>
+    <span class='Paren'>(</span><span class='Function'>⍒</span><span class='Value'>a</span><span class='Paren'>)</span> <span class='Function'>⊏</span> <span class='Value'>a</span>
 ⟨ 3 2 1 ⟩
 </pre>
 <h2 id="𝕨--𝕩-bins-down"><a class="header" href="#𝕨--𝕩-bins-down"><code><span class='Value'>𝕨</span> <span class='Function'>⍒</span> <span class='Value'>𝕩</span></code>: Bins Down</a></h2>
 <p>Binary search for each cell of <code><span class='Value'>𝕩</span></code> in <code><span class='Value'>𝕨</span></code>, returning the number of major cells in <code><span class='Value'>𝕨</span></code> greater than or equal to that cell.</p>
 <p><code><span class='Value'>𝕨</span></code> must be sorted in descending order.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Right Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgN+KAvzXigL804oC/MyDijZIgMgoKICAgN+KAvzXigL804oC/MyDijZIgMuKAvzY=">↗️</a><pre>       <span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⍒</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=N+KAvzXigL804oC/MyDijZIgMgoKN+KAvzXigL804oC/MyDijZIgMuKAvzY=">↗️</a><pre>    <span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⍒</span> <span class='Number'>2</span>
 ┌·   
 · 4  
     ┘
 
-       <span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⍒</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>6</span>
+    <span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⍒</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>6</span>
 ⟨ 4 1 ⟩
 </pre>
diff --git a/docs/help/gradeup_binsup.html b/docs/help/gradeup_binsup.html
index 2f2668e7..d87232e6 100644
--- a/docs/help/gradeup_binsup.html
+++ b/docs/help/gradeup_binsup.html
@@ -7,22 +7,22 @@
 <h1 id="delta-stile-"><a class="header" href="#delta-stile-">Delta Stile (<code><span class='Function'>⍋</span></code>)</a></h1>
 <h2 id="-𝕩-grade-up"><a class="header" href="#-𝕩-grade-up"><code><span class='Function'>⍋</span> <span class='Value'>𝕩</span></code>: Grade Up</a></h2>
 <p>Indices of <code><span class='Value'>𝕩</span></code> that would sort its major cells in ascending order.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgYSDihpAgM+KAvzLigL8xCgogICDijYsgYQoKICAgKOKNi2EpIOKKjyBh">↗️</a><pre>       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=YSDihpAgM+KAvzLigL8xCgrijYsgYQoKKOKNi2EpIOKKjyBh">↗️</a><pre>    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>1</span>
 
-       <span class='Function'>⍋</span> <span class='Value'>a</span>
+    <span class='Function'>⍋</span> <span class='Value'>a</span>
 ⟨ 2 1 0 ⟩
 
-       <span class='Paren'>(</span><span class='Function'>⍋</span><span class='Value'>a</span><span class='Paren'>)</span> <span class='Function'>⊏</span> <span class='Value'>a</span>
+    <span class='Paren'>(</span><span class='Function'>⍋</span><span class='Value'>a</span><span class='Paren'>)</span> <span class='Function'>⊏</span> <span class='Value'>a</span>
 ⟨ 1 2 3 ⟩
 </pre>
 <h2 id="𝕨--𝕩-bins-up"><a class="header" href="#𝕨--𝕩-bins-up"><code><span class='Value'>𝕨</span> <span class='Function'>⍋</span> <span class='Value'>𝕩</span></code>: Bins Up</a></h2>
 <p>Binary search for each cell of <code><span class='Value'>𝕩</span></code> in <code><span class='Value'>𝕨</span></code>, returning the number of major cells in <code><span class='Value'>𝕨</span></code> less than or equal to that cell.</p>
 <p><code><span class='Value'>𝕨</span></code> must be sorted in ascending order.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgM+KAvzTigL814oC/NyDijYsgMgoKICAgM+KAvzTigL814oC/NyDijYsgMuKAvzY=">↗️</a><pre>       <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>7</span> <span class='Function'>⍋</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=M+KAvzTigL814oC/NyDijYsgMgoKM+KAvzTigL814oC/NyDijYsgMuKAvzY=">↗️</a><pre>    <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>7</span> <span class='Function'>⍋</span> <span class='Number'>2</span>
 ┌·   
 · 0  
     ┘
 
-       <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>7</span> <span class='Function'>⍋</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>6</span>
+    <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>7</span> <span class='Function'>⍋</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>6</span>
 ⟨ 0 3 ⟩
 </pre>
diff --git a/docs/help/greaterthanorequalto.html b/docs/help/greaterthanorequalto.html
index 635fd9cd..73e07c20 100644
--- a/docs/help/greaterthanorequalto.html
+++ b/docs/help/greaterthanorequalto.html
@@ -8,9 +8,9 @@
 <h2 id="𝕨--𝕩-greater-than-or-equal-to"><a class="header" href="#𝕨--𝕩-greater-than-or-equal-to"><code><span class='Value'>𝕨</span> <span class='Function'>≥</span> <span class='Value'>𝕩</span></code>: Greater Than or Equal To</a></h2>
 <p><code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code> can both be either numbers or characters.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIOKJpSAzCgogIDLigL8z4oC/MCDiiaUgM+KAvzHigL8w">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>≥</span> <span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDiiaUgMwoKMuKAvzPigL8wIOKJpSAz4oC/MeKAvzA=">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>≥</span> <span class='Number'>3</span>
 0
 
-      <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>≥</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>≥</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
 ⟨ 0 1 1 ⟩
 </pre>
diff --git a/docs/help/groupindices_group.html b/docs/help/groupindices_group.html
index 9c0742c1..91d4ea8f 100644
--- a/docs/help/groupindices_group.html
+++ b/docs/help/groupindices_group.html
@@ -8,10 +8,10 @@
 <h2 id="-𝕩-group-indices"><a class="header" href="#-𝕩-group-indices"><code><span class='Function'>⊔</span> <span class='Value'>𝕩</span></code>: Group Indices</a></h2>
 <p>Group the indices of the major cells of <code><span class='Value'>𝕩</span></code> by their respective values.</p>
 <p><code><span class='Value'>𝕩</span></code> must consist of integers. Groups start from 0.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oqUIDTigL814oC/NuKAvzbigL804oC/N+KAvzUKCiAgICjihpU4KSDiiY0g4oqUIDTigL814oC/NuKAvzbigL804oC/N+KAvzU=">↗️</a><pre>       <span class='Function'>⊔</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oqUIDTigL814oC/NuKAvzbigL804oC/N+KAvzUKCijihpU4KSDiiY0g4oqUIDTigL814oC/NuKAvzbigL804oC/N+KAvzU=">↗️</a><pre>    <span class='Function'>⊔</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
 ⟨ ⟨⟩ ⟨⟩ ⟨⟩ ⟨⟩ ⟨ 0 4 ⟩ ⟨ 1 6 ⟩ ⟨ 2 3 ⟩ ⟨ 5 ⟩ ⟩
 
-       <span class='Paren'>(</span><span class='Function'>↕</span><span class='Number'>8</span><span class='Paren'>)</span> <span class='Function'>≍</span> <span class='Function'>⊔</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
+    <span class='Paren'>(</span><span class='Function'>↕</span><span class='Number'>8</span><span class='Paren'>)</span> <span class='Function'>≍</span> <span class='Function'>⊔</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
 ┌─                                           
 ╵ 0  1  2  3  4       5       6       7      
   ⟨⟩ ⟨⟩ ⟨⟩ ⟨⟩ ⟨ 0 4 ⟩ ⟨ 1 6 ⟩ ⟨ 2 3 ⟩ ⟨ 5 ⟩  
@@ -21,12 +21,12 @@
 <p>Group the major cells of <code><span class='Value'>𝕩</span></code> by their respective indices in <code><span class='Value'>𝕨</span></code>.</p>
 <p>If an element corresponds to <code><span class='Number'>¯1</span></code>, it is excluded from grouping.</p>
 <p>An extra element can be added to the end of <code><span class='Value'>𝕨</span></code> to specify length of the result.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMeKAvzDigL8x4oC/MuKAvzLigL8z4oC/MyAg4oqUIDTigL814oC/NuKAvzbigL804oC/N+KAvzUKCiAgIDHigL8w4oC/MeKAv8KvMeKAv8KvMeKAvzPigL8zICDiipQgNOKAvzXigL824oC/NuKAvzTigL834oC/NQoKICAgMeKAvzDigL8x4oC/wq8x4oC/wq8x4oC/M+KAvzPigL8xMCAg4oqUIDTigL814oC/NuKAvzbigL804oC/N+KAvzU=">↗️</a><pre>       <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span>  <span class='Function'>⊔</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MeKAvzDigL8x4oC/MuKAvzLigL8z4oC/MyAg4oqUIDTigL814oC/NuKAvzbigL804oC/N+KAvzUKCjHigL8w4oC/MeKAv8KvMeKAv8KvMeKAvzPigL8zICDiipQgNOKAvzXigL824oC/NuKAvzTigL834oC/NQoKMeKAvzDigL8x4oC/wq8x4oC/wq8x4oC/M+KAvzPigL8xMCAg4oqUIDTigL814oC/NuKAvzbigL804oC/N+KAvzU=">↗️</a><pre>    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span>  <span class='Function'>⊔</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
 ⟨ ⟨ 5 ⟩ ⟨ 4 6 ⟩ ⟨ 6 4 ⟩ ⟨ 7 5 ⟩ ⟩
 
-       <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>¯1</span><span class='Ligature'>‿</span><span class='Number'>¯1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span>  <span class='Function'>⊔</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
+    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>¯1</span><span class='Ligature'>‿</span><span class='Number'>¯1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span>  <span class='Function'>⊔</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
 ⟨ ⟨ 5 ⟩ ⟨ 4 6 ⟩ ⟨⟩ ⟨ 7 5 ⟩ ⟩
 
-       <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>¯1</span><span class='Ligature'>‿</span><span class='Number'>¯1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>10</span>  <span class='Function'>⊔</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
+    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>¯1</span><span class='Ligature'>‿</span><span class='Number'>¯1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>10</span>  <span class='Function'>⊔</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
 ⟨ ⟨ 5 ⟩ ⟨ 4 6 ⟩ ⟨⟩ ⟨ 7 5 ⟩ ⟨⟩ ⟨⟩ ⟨⟩ ⟨⟩ ⟨⟩ ⟨⟩ ⟩
 </pre>
diff --git a/docs/help/identity_left.html b/docs/help/identity_left.html
index e538aba8..95656ff9 100644
--- a/docs/help/identity_left.html
+++ b/docs/help/identity_left.html
@@ -7,14 +7,14 @@
 <h1 id="left-tack-"><a class="header" href="#left-tack-">Left Tack (<code><span class='Function'>⊣</span></code>)</a></h1>
 <h2 id="-𝕩-identity"><a class="header" href="#-𝕩-identity"><code><span class='Function'>⊣</span> <span class='Value'>𝕩</span></code>: Identity</a></h2>
 <p>Return <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDiiqMgNQ==">↗️</a><pre>      <span class='Function'>⊣</span> <span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oqjIDU=">↗️</a><pre>    <span class='Function'>⊣</span> <span class='Number'>5</span>
 5
 </pre>
 <h2 id="𝕨--𝕩-left"><a class="header" href="#𝕨--𝕩-left"><code><span class='Value'>𝕨</span> <span class='Function'>⊣</span> <span class='Value'>𝕩</span></code>: Left</a></h2>
 <p>Return <code><span class='Value'>𝕨</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICA1IOKKoyA4CgogICdhJyDiiqMgMeKAvzLigL8z">↗️</a><pre>      <span class='Number'>5</span> <span class='Function'>⊣</span> <span class='Number'>8</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=NSDiiqMgOAoKJ2EnIOKKoyAx4oC/MuKAvzM=">↗️</a><pre>    <span class='Number'>5</span> <span class='Function'>⊣</span> <span class='Number'>8</span>
 5
 
-      <span class='String'>'a'</span> <span class='Function'>⊣</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='String'>'a'</span> <span class='Function'>⊣</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 'a'
 </pre>
diff --git a/docs/help/identity_right.html b/docs/help/identity_right.html
index c77c82bc..446f8bbe 100644
--- a/docs/help/identity_right.html
+++ b/docs/help/identity_right.html
@@ -7,14 +7,14 @@
 <h1 id="right-tack-"><a class="header" href="#right-tack-">Right Tack (<code><span class='Function'>⊢</span></code>)</a></h1>
 <h2 id="-𝕩-identity"><a class="header" href="#-𝕩-identity"><code><span class='Function'>⊢</span> <span class='Value'>𝕩</span></code>: Identity</a></h2>
 <p>Return <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDiiqIgNQ==">↗️</a><pre>      <span class='Function'>⊢</span> <span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oqiIDU=">↗️</a><pre>    <span class='Function'>⊢</span> <span class='Number'>5</span>
 5
 </pre>
 <h2 id="𝕨--𝕩-right"><a class="header" href="#𝕨--𝕩-right"><code><span class='Value'>𝕨</span> <span class='Function'>⊢</span> <span class='Value'>𝕩</span></code>: Right</a></h2>
 <p>Return <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICA1IOKKoiA4CgogICdhJyDiiqIgMeKAvzLigL8z">↗️</a><pre>      <span class='Number'>5</span> <span class='Function'>⊢</span> <span class='Number'>8</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=NSDiiqIgOAoKJ2EnIOKKoiAx4oC/MuKAvzM=">↗️</a><pre>    <span class='Number'>5</span> <span class='Function'>⊢</span> <span class='Number'>8</span>
 8
 
-      <span class='String'>'a'</span> <span class='Function'>⊢</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='String'>'a'</span> <span class='Function'>⊢</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 1 2 3 ⟩
 </pre>
diff --git a/docs/help/indices_replicate.html b/docs/help/indices_replicate.html
index 0f943ccf..3ef36de1 100644
--- a/docs/help/indices_replicate.html
+++ b/docs/help/indices_replicate.html
@@ -7,18 +7,18 @@
 <h1 id="solidus-"><a class="header" href="#solidus-">Solidus (<code><span class='Function'>/</span></code>)</a></h1>
 <h2 id="-𝕩-indices"><a class="header" href="#-𝕩-indices"><code><span class='Function'>/</span> <span class='Value'>𝕩</span></code>: Indices</a></h2>
 <p>Repeat the index of each element in <code><span class='Value'>𝕩</span></code> by the element's value. <code><span class='Value'>𝕩</span></code> must be rank 1.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgLyAx4oC/MuKAvzMKCiAgIC8gMeKAvzDigL8x">↗️</a><pre>       <span class='Function'>/</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=LyAx4oC/MuKAvzMKCi8gMeKAvzDigL8x">↗️</a><pre>    <span class='Function'>/</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 0 1 1 2 2 2 ⟩
 
-       <span class='Function'>/</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span>
+    <span class='Function'>/</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span>
 ⟨ 0 2 ⟩
 </pre>
 <h2 id="𝕨--𝕩-replicate"><a class="header" href="#𝕨--𝕩-replicate"><code><span class='Value'>𝕨</span> <span class='Function'>/</span> <span class='Value'>𝕩</span></code>: Replicate</a></h2>
 <p>Repeat each major cell in <code><span class='Value'>𝕩</span></code> by the corresponding element in <code><span class='Value'>𝕨</span></code>.</p>
 <p>Unit <code><span class='Value'>𝕨</span></code> applies to all elements.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMyAvICJjb3B5IgoKICAgMeKAvzDigL8xIC8gMeKAvzLigL8z">↗️</a><pre>       <span class='Number'>3</span> <span class='Function'>/</span> <span class='String'>&quot;copy&quot;</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MyAvICJjb3B5IgoKMeKAvzDigL8xIC8gMeKAvzLigL8z">↗️</a><pre>    <span class='Number'>3</span> <span class='Function'>/</span> <span class='String'>&quot;copy&quot;</span>
 "cccooopppyyy"
 
-       <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span> <span class='Function'>/</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span> <span class='Function'>/</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 1 3 ⟩
 </pre>
diff --git a/docs/help/insert.html b/docs/help/insert.html
index 5a01cd21..27e8e15b 100644
--- a/docs/help/insert.html
+++ b/docs/help/insert.html
@@ -7,25 +7,25 @@
 <h1 id="double-acute-accent-"><a class="header" href="#double-acute-accent-">Double Acute Accent (<code><span class='Modifier'>˝</span></code>)</a></h1>
 <h2 id="𝔽-𝕩-insert"><a class="header" href="#𝔽-𝕩-insert"><code><span class='Function'>𝔽</span><span class='Modifier'>˝</span> <span class='Value'>𝕩</span></code>: Insert</a></h2>
 <p>Fold over cells of <code><span class='Value'>𝕩</span></code> with <code><span class='Function'>𝔽</span></code> from end to start, that is, insert <code><span class='Function'>𝔽</span></code> between the major cells of <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgYSDihpAgM+KAvzMg4qWKIOKGlTkKCiAgICvLnSBhCgogICAw4oC/MeKAvzIgKyAz4oC/NOKAvzUgKyA24oC/N+KAvzg=">↗️</a><pre>       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=YSDihpAgM+KAvzMg4qWKIOKGlTkKCivLnSBhCgow4oC/MeKAvzIgKyAz4oC/NOKAvzUgKyA24oC/N+KAvzg=">↗️</a><pre>    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Function'>+</span><span class='Modifier'>˝</span> <span class='Value'>a</span>
+    <span class='Function'>+</span><span class='Modifier'>˝</span> <span class='Value'>a</span>
 ⟨ 9 12 15 ⟩
 
-       <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>+</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>+</span> <span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>8</span>
+    <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>+</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>+</span> <span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>8</span>
 ⟨ 9 12 15 ⟩
 </pre>
 <h2 id="𝕨-𝔽-𝕩-insert-with-initial"><a class="header" href="#𝕨-𝔽-𝕩-insert-with-initial"><code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier'>˝</span> <span class='Value'>𝕩</span></code>: Insert With Initial</a></h2>
 <p>Monadic insert, but use <code><span class='Value'>𝕨</span></code> as initial right argument.</p>
 <p>If</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgYiDihpAgM+KAvzMg4qWKIOKGlTkKCiAgIDHigL8x4oC/MSAry50gYgoKICAgMSAry50gYgoKICAgMOKAvzHigL8yICsgM+KAvzTigL81ICsgNuKAvzfigL84ICsgMeKAvzHigL8x">↗️</a><pre>       <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=YiDihpAgM+KAvzMg4qWKIOKGlTkKCjHigL8x4oC/MSAry50gYgoKMSAry50gYgoKMOKAvzHigL8yICsgM+KAvzTigL81ICsgNuKAvzfigL84ICsgMeKAvzHigL8x">↗️</a><pre>    <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier'>˝</span> <span class='Value'>b</span>
+    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier'>˝</span> <span class='Value'>b</span>
 ⟨ 10 13 16 ⟩
 
-       <span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier'>˝</span> <span class='Value'>b</span>
+    <span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier'>˝</span> <span class='Value'>b</span>
 ⟨ 10 13 16 ⟩
 
-       <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>+</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>+</span> <span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>8</span> <span class='Function'>+</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span>
+    <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>+</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>+</span> <span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>8</span> <span class='Function'>+</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span>
 ⟨ 10 13 16 ⟩
 </pre>
diff --git a/docs/help/join_jointo.html b/docs/help/join_jointo.html
index 5e324aab..bd21cce3 100644
--- a/docs/help/join_jointo.html
+++ b/docs/help/join_jointo.html
@@ -8,12 +8,12 @@
 <h2 id="-𝕩-join"><a class="header" href="#-𝕩-join"><code><span class='Function'>∾</span> <span class='Value'>𝕩</span></code>: Join</a></h2>
 <p>Join all elements of <code><span class='Value'>𝕩</span></code> together.</p>
 <p>Element ranks must be compatible.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oi+IOKfqDHigL8yLCAzLCA04oC/NeKfqQoKICAgbSDihpAgKDPigL8x4omN4oycNOKAvzLigL81KSDipYrCqCAy4oC/M+KliuKGlTYKCiAgIOKIviBt">↗️</a><pre>       <span class='Function'>∾</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Separator'>,</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Bracket'>⟩</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oi+IOKfqDHigL8yLCAzLCA04oC/NeKfqQoKbSDihpAgKDPigL8x4omN4oycNOKAvzLigL81KSDipYrCqCAy4oC/M+KliuKGlTYKCuKIviBt">↗️</a><pre>    <span class='Function'>∾</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Separator'>,</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Bracket'>⟩</span>
 ⟨ 1 2 3 4 5 ⟩
 
-       <span class='Value'>m</span> <span class='Gets'>←</span> <span class='Paren'>(</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Function'>≍</span><span class='Modifier'>⌜</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Paren'>)</span> <span class='Function'>⥊</span><span class='Modifier'>¨</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Function'>⥊↕</span><span class='Number'>6</span>
+    <span class='Value'>m</span> <span class='Gets'>←</span> <span class='Paren'>(</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Function'>≍</span><span class='Modifier'>⌜</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Paren'>)</span> <span class='Function'>⥊</span><span class='Modifier'>¨</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Function'>⥊↕</span><span class='Number'>6</span>
 
-       <span class='Function'>∾</span> <span class='Value'>m</span>
+    <span class='Function'>∾</span> <span class='Value'>m</span>
 ┌─                       
 ╵ 0 0 0 0 1 1 2 2 2 2 2  
   0 0 0 0 1 1 2 2 2 2 2  
@@ -23,14 +23,14 @@
 </pre>
 <h2 id="𝕨--𝕩-join-to"><a class="header" href="#𝕨--𝕩-join-to"><code><span class='Value'>𝕨</span> <span class='Function'>∾</span> <span class='Value'>𝕩</span></code>: Join To</a></h2>
 <p>Join <code><span class='Value'>𝕨</span></code> to <code><span class='Value'>𝕩</span></code> along the first axis.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgImFiY2QiIOKIviAiRUZHIgoKICAgYSDihpAgM+KAvzMg4qWKIOKGlTkKCiAgIGMg4oaQIDTigL8zIOKliiDihpUxMgoKICAgYeKIvmM=">↗️</a><pre>       <span class='String'>&quot;abcd&quot;</span> <span class='Function'>∾</span> <span class='String'>&quot;EFG&quot;</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ImFiY2QiIOKIviAiRUZHIgoKYSDihpAgM+KAvzMg4qWKIOKGlTkKCmMg4oaQIDTigL8zIOKliiDihpUxMgoKYeKIvmM=">↗️</a><pre>    <span class='String'>&quot;abcd&quot;</span> <span class='Function'>∾</span> <span class='String'>&quot;EFG&quot;</span>
 "abcdEFG"
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Value'>c</span> <span class='Gets'>←</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>12</span>
+    <span class='Value'>c</span> <span class='Gets'>←</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>12</span>
 
-       <span class='Value'>a</span><span class='Function'>∾</span><span class='Value'>c</span>
+    <span class='Value'>a</span><span class='Function'>∾</span><span class='Value'>c</span>
 ┌─         
 ╵ 0  1  2  
   3  4  5  
diff --git a/docs/help/length_notequals.html b/docs/help/length_notequals.html
index 95f7fa63..5480cae4 100644
--- a/docs/help/length_notequals.html
+++ b/docs/help/length_notequals.html
@@ -7,29 +7,29 @@
 <h1 id="not-equal-"><a class="header" href="#not-equal-">Not Equal (<code><span class='Function'>≠</span></code>)</a></h1>
 <h2 id="-𝕩-length"><a class="header" href="#-𝕩-length"><code><span class='Function'>≠</span> <span class='Value'>𝕩</span></code>: Length</a></h2>
 <p>Length of the first dimension of <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDiiaAgMwoKICDiiaAg4p+oMSwgMiwgM+KfqQoKICDiiaAgM+KAvzTigL814qWKMAoKICDiiaAgMeKAvzTigL814qWKMAoKICDiiaAgNOKAvzTigL814qWKMA==">↗️</a><pre>      <span class='Function'>≠</span> <span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4omgIDMKCuKJoCDin6gxLCAyLCAz4p+pCgriiaAgM+KAvzTigL814qWKMAoK4omgIDHigL804oC/NeKlijAKCuKJoCA04oC/NOKAvzXipYow">↗️</a><pre>    <span class='Function'>≠</span> <span class='Number'>3</span>
 1
 
-      <span class='Function'>≠</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
+    <span class='Function'>≠</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
 3
 
-      <span class='Function'>≠</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Function'>⥊</span><span class='Number'>0</span>
+    <span class='Function'>≠</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Function'>⥊</span><span class='Number'>0</span>
 3
 
-      <span class='Function'>≠</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Function'>⥊</span><span class='Number'>0</span>
+    <span class='Function'>≠</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Function'>⥊</span><span class='Number'>0</span>
 1
 
-      <span class='Function'>≠</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Function'>⥊</span><span class='Number'>0</span>
+    <span class='Function'>≠</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Function'>⥊</span><span class='Number'>0</span>
 4
 </pre>
 <h2 id="𝕨--𝕩-not-equal-to"><a class="header" href="#𝕨--𝕩-not-equal-to"><code><span class='Value'>𝕨</span> <span class='Function'>≠</span> <span class='Value'>𝕩</span></code>: Not Equal To</a></h2>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIOKJoCAzCgogIDLigL8z4oC/MCDiiaAgM+KAvzHigL8wCgogICdhJyDiiaAgJ2En">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>≠</span> <span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDiiaAgMwoKMuKAvzPigL8wIOKJoCAz4oC/MeKAvzAKCidhJyDiiaAgJ2En">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>≠</span> <span class='Number'>3</span>
 1
 
-      <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>≠</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>≠</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
 ⟨ 1 1 0 ⟩
 
-      <span class='String'>'a'</span> <span class='Function'>≠</span> <span class='String'>'a'</span>
+    <span class='String'>'a'</span> <span class='Function'>≠</span> <span class='String'>'a'</span>
 0
 </pre>
diff --git a/docs/help/lessthanorequalto.html b/docs/help/lessthanorequalto.html
index 28550d4c..16b98e1a 100644
--- a/docs/help/lessthanorequalto.html
+++ b/docs/help/lessthanorequalto.html
@@ -8,9 +8,9 @@
 <h2 id="𝕨--𝕩-lesser-than-or-equal-to"><a class="header" href="#𝕨--𝕩-lesser-than-or-equal-to"><code><span class='Value'>𝕨</span> <span class='Function'>≤</span> <span class='Value'>𝕩</span></code>: Lesser Than or Equal To</a></h2>
 <p><code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code> can both be either numbers or characters.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIOKJpCAzCgogIDLigL8z4oC/MCDiiaQgM+KAvzHigL8w">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>≤</span> <span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDiiaQgMwoKMuKAvzPigL8wIOKJpCAz4oC/MeKAvzA=">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>≤</span> <span class='Number'>3</span>
 1
 
-      <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>≤</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>≤</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
 ⟨ 1 0 1 ⟩
 </pre>
diff --git a/docs/help/markfirst_memberof.html b/docs/help/markfirst_memberof.html
index e3e82512..2eeb2cf8 100644
--- a/docs/help/markfirst_memberof.html
+++ b/docs/help/markfirst_memberof.html
@@ -7,27 +7,27 @@
 <h1 id="element-of-"><a class="header" href="#element-of-">Element Of (<code><span class='Function'>∊</span></code>)</a></h1>
 <h2 id="-𝕩-mark-firsts"><a class="header" href="#-𝕩-mark-firsts"><code><span class='Function'>∊</span> <span class='Value'>𝕩</span></code>: Mark Firsts</a></h2>
 <p>Mark the first occurrence of each major cell in <code><span class='Value'>𝕩</span></code> with a 1, and all other occurrences with a 0.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oiKIDTigL814oC/NuKAvzbigL804oC/N+KAvzUKCiAgIGEg4oaQIDPigL8zIOKliiDihpU5CgogICDiiIogYQ==">↗️</a><pre>       <span class='Function'>∊</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oiKIDTigL814oC/NuKAvzbigL804oC/N+KAvzUKCmEg4oaQIDPigL8zIOKliiDihpU5CgriiIogYQ==">↗️</a><pre>    <span class='Function'>∊</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>5</span>
 ⟨ 1 1 1 0 0 1 0 ⟩
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Function'>∊</span> <span class='Value'>a</span>
+    <span class='Function'>∊</span> <span class='Value'>a</span>
 ⟨ 1 1 1 ⟩
 </pre>
 <h2 id="𝕨--𝕩-member-of"><a class="header" href="#𝕨--𝕩-member-of"><code><span class='Value'>𝕨</span> <span class='Function'>∊</span> <span class='Value'>𝕩</span></code>: Member Of</a></h2>
 <p>Is each cell in <code><span class='Value'>𝕨</span></code> a major cell of <code><span class='Value'>𝕩</span></code>?</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4p+oMeKfqSDiiIog4oaVOQoKICAgYiDihpAgM+KAvzMg4qWKIOKGlTkKCiAgIOKfqDDigL8x4oC/MuKfqSDiiIogYgoKICAg4p+oMeKAvzMg4qWKIDDigL8x4oC/MuKfqSDiiIogYg==">↗️</a><pre>       <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span> <span class='Function'>∊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4p+oMeKfqSDiiIog4oaVOQoKYiDihpAgM+KAvzMg4qWKIOKGlTkKCuKfqDDigL8x4oC/MuKfqSDiiIogYgoK4p+oMeKAvzMg4qWKIDDigL8x4oC/MuKfqSDiiIogYg==">↗️</a><pre>    <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span> <span class='Function'>∊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 ⟨ 1 ⟩
 
-       <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+    <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Bracket'>⟨</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Bracket'>⟩</span> <span class='Function'>∊</span> <span class='Value'>b</span>
+    <span class='Bracket'>⟨</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Bracket'>⟩</span> <span class='Function'>∊</span> <span class='Value'>b</span>
 ┌·   
 · 0  
     ┘
 
-       <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Bracket'>⟩</span> <span class='Function'>∊</span> <span class='Value'>b</span>
+    <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Bracket'>⟩</span> <span class='Function'>∊</span> <span class='Value'>b</span>
 ┌·   
 · 0  
     ┘
diff --git a/docs/help/merge_greaterthan.html b/docs/help/merge_greaterthan.html
index 6dcef618..1fe429b2 100644
--- a/docs/help/merge_greaterthan.html
+++ b/docs/help/merge_greaterthan.html
@@ -9,29 +9,29 @@
 <p>Add the rank of an element of <code><span class='Value'>𝕩</span></code> to the rank of <code><span class='Value'>𝕩</span></code>.</p>
 <p>All elements must have the same rank.</p>
 <p>Returns atomic values as is.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICBhIOKGkCDin6jin6gxLCAy4p+pLCDin6gzLCA04p+p4p+pCgogID5hCgogIOKJomEKCiAg4omiPmE=">↗️</a><pre>      <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Bracket'>⟨⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Bracket'>⟩</span><span class='Separator'>,</span> <span class='Bracket'>⟨</span><span class='Number'>3</span><span class='Separator'>,</span> <span class='Number'>4</span><span class='Bracket'>⟩⟩</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=YSDihpAg4p+o4p+oMSwgMuKfqSwg4p+oMywgNOKfqeKfqQoKPmEKCuKJomEKCuKJoj5h">↗️</a><pre>    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Bracket'>⟨⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Bracket'>⟩</span><span class='Separator'>,</span> <span class='Bracket'>⟨</span><span class='Number'>3</span><span class='Separator'>,</span> <span class='Number'>4</span><span class='Bracket'>⟩⟩</span>
 
-      <span class='Function'>&gt;</span><span class='Value'>a</span>
+    <span class='Function'>&gt;</span><span class='Value'>a</span>
 ┌─     
 ╵ 1 2  
   3 4  
       ┘
 
-      <span class='Function'>≢</span><span class='Value'>a</span>
+    <span class='Function'>≢</span><span class='Value'>a</span>
 ⟨ 2 ⟩
 
-      <span class='Function'>≢&gt;</span><span class='Value'>a</span>
+    <span class='Function'>≢&gt;</span><span class='Value'>a</span>
 ⟨ 2 2 ⟩
 </pre>
 <h2 id="𝕨--𝕩-greater-than"><a class="header" href="#𝕨--𝕩-greater-than"><code><span class='Value'>𝕨</span> <span class='Function'>&gt;</span> <span class='Value'>𝕩</span></code>: Greater Than</a></h2>
 <p><code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code> can both be either numbers or characters.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxID4gMwoKICAy4oC/M+KAvzAgPiAz4oC/MeKAvzAKCiAgJ2EnID4gJ2In">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>&gt;</span> <span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSA+IDMKCjLigL8z4oC/MCA+IDPigL8x4oC/MAoKJ2EnID4gJ2In">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>&gt;</span> <span class='Number'>3</span>
 0
 
-      <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>&gt;</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>&gt;</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
 ⟨ 0 1 0 ⟩
 
-      <span class='String'>'a'</span> <span class='Function'>&gt;</span> <span class='String'>'b'</span>
+    <span class='String'>'a'</span> <span class='Function'>&gt;</span> <span class='String'>'b'</span>
 0
 </pre>
diff --git a/docs/help/negate_subtract.html b/docs/help/negate_subtract.html
index cd2b52e4..12d404ba 100644
--- a/docs/help/negate_subtract.html
+++ b/docs/help/negate_subtract.html
@@ -8,24 +8,24 @@
 <h2 id="--𝕩-negate"><a class="header" href="#--𝕩-negate"><code><span class='Function'>-</span> <span class='Value'>𝕩</span></code>: Negate</a></h2>
 <p>Additive Inverse of <code><span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAtIDEKCiAgLSDCrzE=">↗️</a><pre>      <span class='Function'>-</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=LSAxCgotIMKvMQ==">↗️</a><pre>    <span class='Function'>-</span> <span class='Number'>1</span>
 ¯1
 
-      <span class='Function'>-</span> <span class='Number'>¯1</span>
+    <span class='Function'>-</span> <span class='Number'>¯1</span>
 1
 </pre>
 <h2 id="𝕨---𝕩-subtract"><a class="header" href="#𝕨---𝕩-subtract"><code><span class='Value'>𝕨</span> <span class='Function'>-</span> <span class='Value'>𝕩</span></code>: Subtract</a></h2>
 <p>Subtract <code><span class='Value'>𝕩</span></code> from <code><span class='Value'>𝕨</span></code>. <code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code> can be characters or numbers.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIC0gMgoKICAxIC0gMuKAvzPigL80CgogICdhJyAtIDQKCiAgJ2InIC0gJ2En">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>-</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSAtIDIKCjEgLSAy4oC/M+KAvzQKCidhJyAtIDQKCidiJyAtICdhJw==">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>-</span> <span class='Number'>2</span>
 ¯1
 
-      <span class='Number'>1</span> <span class='Function'>-</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+    <span class='Number'>1</span> <span class='Function'>-</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 ⟨ ¯1 ¯2 ¯3 ⟩
 
-      <span class='String'>'a'</span> <span class='Function'>-</span> <span class='Number'>4</span>
+    <span class='String'>'a'</span> <span class='Function'>-</span> <span class='Number'>4</span>
 ']'
 
-      <span class='String'>'b'</span> <span class='Function'>-</span> <span class='String'>'a'</span>
+    <span class='String'>'b'</span> <span class='Function'>-</span> <span class='String'>'a'</span>
 1
 </pre>
diff --git a/docs/help/not_span.html b/docs/help/not_span.html
index 12e646e4..9495b8b6 100644
--- a/docs/help/not_span.html
+++ b/docs/help/not_span.html
@@ -8,18 +8,18 @@
 <h2 id="-𝕩-logical-not"><a class="header" href="#-𝕩-logical-not"><code><span class='Function'>¬</span> <span class='Value'>𝕩</span></code>: Logical Not</a></h2>
 <p>Logical Not of <code><span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDCrCAwCgogIMKsIDHigL8w">↗️</a><pre>      <span class='Function'>¬</span> <span class='Number'>0</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=wqwgMAoKwqwgMeKAvzA=">↗️</a><pre>    <span class='Function'>¬</span> <span class='Number'>0</span>
 1
 
-      <span class='Function'>¬</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
+    <span class='Function'>¬</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
 ⟨ 0 1 ⟩
 </pre>
 <h2 id="𝕨--𝕩-span"><a class="header" href="#𝕨--𝕩-span"><code><span class='Value'>𝕨</span> <span class='Function'>¬</span> <span class='Value'>𝕩</span></code>: Span</a></h2>
 <p>Count of numbers in the inclusive range from <code><span class='Value'>𝕩</span></code> to <code><span class='Value'>𝕨</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAzIMKsIDEKCiAgM+KAvzQgwqwgMOKAvzI=">↗️</a><pre>      <span class='Number'>3</span> <span class='Function'>¬</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MyDCrCAxCgoz4oC/NCDCrCAw4oC/Mg==">↗️</a><pre>    <span class='Number'>3</span> <span class='Function'>¬</span> <span class='Number'>1</span>
 3
 
-      <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>¬</span> <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>2</span>
+    <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>¬</span> <span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>2</span>
 ⟨ 4 3 ⟩
 </pre>
diff --git a/docs/help/occurrencecount_progressiveindexof.html b/docs/help/occurrencecount_progressiveindexof.html
index 77b1a84a..bd938e1d 100644
--- a/docs/help/occurrencecount_progressiveindexof.html
+++ b/docs/help/occurrencecount_progressiveindexof.html
@@ -7,10 +7,10 @@
 <h1 id="square-original-of-or-equal-to-"><a class="header" href="#square-original-of-or-equal-to-">Square Original Of or Equal To (<code><span class='Function'>⊒</span></code>)</a></h1>
 <h2 id="-𝕩-occurrence-count"><a class="header" href="#-𝕩-occurrence-count"><code><span class='Function'>⊒</span> <span class='Value'>𝕩</span></code>: Occurrence Count</a></h2>
 <p>Number of times each major cell of <code><span class='Value'>𝕩</span></code> has occurred before the current position.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgIOKKkiAgIDLigL834oC/MeKAvzjigL8x4oC/N+KAvzHigL844oC/MuKAvzjigL80CgogICAg4omN4p+c4oqSIDLigL834oC/MeKAvzjigL8x4oC/N+KAvzHigL844oC/MuKAvzjigL80">↗️</a><pre>        <span class='Function'>⊒</span>   <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oqSICAgMuKAvzfigL8x4oC/OOKAvzHigL834oC/MeKAvzjigL8y4oC/OOKAvzQKCuKJjeKfnOKKkiAy4oC/N+KAvzHigL844oC/MeKAvzfigL8x4oC/OOKAvzLigL844oC/NA==">↗️</a><pre>    <span class='Function'>⊒</span>   <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 ⟨ 0 0 0 0 1 1 2 1 1 2 0 ⟩
 
-        <span class='Function'>≍</span><span class='Modifier2'>⟜</span><span class='Function'>⊒</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+    <span class='Function'>≍</span><span class='Modifier2'>⟜</span><span class='Function'>⊒</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>7</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 ┌─                       
 ╵ 2 7 1 8 1 7 1 8 2 8 4  
   0 0 0 0 1 1 2 1 1 2 0  
@@ -18,9 +18,9 @@
 </pre>
 <h2 id="𝕨--𝕩-progressive-index-of"><a class="header" href="#𝕨--𝕩-progressive-index-of"><code><span class='Value'>𝕨</span> <span class='Function'>⊒</span> <span class='Value'>𝕩</span></code>: Progressive Index Of</a></h2>
 <p>Index of the first unused match of each major cell of <code><span class='Value'>𝕩</span></code> in <code><span class='Value'>𝕨</span></code>. If there are no more matches left, the length of <code><span class='Value'>𝕨</span></code> is placed in that position.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgICJhYWEiIOKKkiAiYWFhYWEiCgogICAgImFhYWJiIiDiipIgImFiYWJhYmFiYWIi">↗️</a><pre>        <span class='String'>&quot;aaa&quot;</span> <span class='Function'>⊒</span> <span class='String'>&quot;aaaaa&quot;</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ImFhYSIg4oqSICJhYWFhYSIKCiJhYWFiYiIg4oqSICJhYmFiYWJhYmFiIg==">↗️</a><pre>    <span class='String'>&quot;aaa&quot;</span> <span class='Function'>⊒</span> <span class='String'>&quot;aaaaa&quot;</span>
 ⟨ 0 1 2 3 3 ⟩
 
-        <span class='String'>&quot;aaabb&quot;</span> <span class='Function'>⊒</span> <span class='String'>&quot;ababababab&quot;</span>
+    <span class='String'>&quot;aaabb&quot;</span> <span class='Function'>⊒</span> <span class='String'>&quot;ababababab&quot;</span>
 ⟨ 0 3 1 4 2 5 5 5 5 5 ⟩
 </pre>
diff --git a/docs/help/over.html b/docs/help/over.html
index f8f9d6ed..8fe4c1eb 100644
--- a/docs/help/over.html
+++ b/docs/help/over.html
@@ -8,21 +8,21 @@
 <h2 id="𝔽𝔾-𝕩-atop"><a class="header" href="#𝔽𝔾-𝕩-atop"><code><span class='Function'>𝔽</span><span class='Modifier2'>○</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: Atop</a></h2>
 <p>Apply <code><span class='Function'>𝔾</span></code> to <code><span class='Value'>𝕩</span></code>, then apply <code><span class='Function'>𝔽</span></code> (<code><span class='Function'>𝔽</span> <span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>).</p>
 <p><code><span class='Function'>𝔽</span></code> and <code><span class='Function'>𝔾</span></code> must be monadic.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgLeKXiy0gNQoKICAgLSAtIDU=">↗️</a><pre>       <span class='Function'>-</span><span class='Modifier2'>○</span><span class='Function'>-</span> <span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=LeKXiy0gNQoKLSAtIDU=">↗️</a><pre>    <span class='Function'>-</span><span class='Modifier2'>○</span><span class='Function'>-</span> <span class='Number'>5</span>
 5
 
-       <span class='Function'>-</span> <span class='Function'>-</span> <span class='Number'>5</span>
+    <span class='Function'>-</span> <span class='Function'>-</span> <span class='Number'>5</span>
 5
 </pre>
 <h2 id="𝕨-𝔽𝔾-𝕩-over"><a class="header" href="#𝕨-𝔽𝔾-𝕩-over"><code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier2'>○</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: Over</a></h2>
 <p>Apply <code><span class='Function'>𝔾</span></code> to <code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code>, then apply <code><span class='Function'>𝔽</span></code> to them (<code><span class='Paren'>(</span><span class='Function'>𝔾</span> <span class='Value'>𝕨</span><span class='Paren'>)</span> <span class='Function'>𝔽</span> <span class='Paren'>(</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span><span class='Paren'>)</span></code>).</p>
 <p><code><span class='Function'>𝔽</span></code> must be dyadic, <code><span class='Function'>𝔾</span></code> must be monadic.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMSAr4peLLSAyCgogICAxICsgLSAyCgogICAoLSAxKSArICgtIDIp">↗️</a><pre>       <span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier2'>○</span><span class='Function'>-</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSAr4peLLSAyCgoxICsgLSAyCgooLSAxKSArICgtIDIp">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier2'>○</span><span class='Function'>-</span> <span class='Number'>2</span>
 ¯3
 
-       <span class='Number'>1</span> <span class='Function'>+</span> <span class='Function'>-</span> <span class='Number'>2</span>
+    <span class='Number'>1</span> <span class='Function'>+</span> <span class='Function'>-</span> <span class='Number'>2</span>
 ¯1
 
-       <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>1</span><span class='Paren'>)</span> <span class='Function'>+</span> <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>2</span><span class='Paren'>)</span>
+    <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>1</span><span class='Paren'>)</span> <span class='Function'>+</span> <span class='Paren'>(</span><span class='Function'>-</span> <span class='Number'>2</span><span class='Paren'>)</span>
 ¯3
 </pre>
diff --git a/docs/help/prefixes_take.html b/docs/help/prefixes_take.html
index f483e038..6af8e8ad 100644
--- a/docs/help/prefixes_take.html
+++ b/docs/help/prefixes_take.html
@@ -7,12 +7,12 @@
 <h1 id="up-arrow-"><a class="header" href="#up-arrow-">Up Arrow (<code><span class='Function'>↑</span></code>)</a></h1>
 <h2 id="-𝕩-prefixes"><a class="header" href="#-𝕩-prefixes"><code><span class='Function'>↑</span> <span class='Value'>𝕩</span></code>: Prefixes</a></h2>
 <p>Prefixes of array <code><span class='Value'>𝕩</span></code> along its first axis.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oaRIDHigL8y4oC/M+KAvzQKCiAgIGEg4oaQIDPigL8zIOKliiDihpU5CgogICDihpEgYQ==">↗️</a><pre>       <span class='Function'>↑</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oaRIDHigL8y4oC/M+KAvzQKCmEg4oaQIDPigL8zIOKliiDihpU5CgrihpEgYQ==">↗️</a><pre>    <span class='Function'>↑</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 ⟨ ⟨⟩ ⟨ 1 ⟩ ⟨ 1 2 ⟩ ⟨ 1 2 3 ⟩ ⟨ 1 2 3 4 ⟩ ⟩
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Function'>↑</span> <span class='Value'>a</span>
+    <span class='Function'>↑</span> <span class='Value'>a</span>
 ┌─                                    
 · ↕0‿3 ┌─        ┌─        ┌─         
        ╵ 0 1 2   ╵ 0 1 2   ╵ 0 1 2    
@@ -25,19 +25,19 @@
 <p>For each integer in <code><span class='Value'>𝕨</span></code>, take that many elements from each dimension of <code><span class='Value'>𝕩</span></code>.</p>
 <p>Negative numbers take from the end.</p>
 <p>If any of the elements in <code><span class='Value'>𝕨</span></code> are greater than the length of their respective dimension, the dimension is extended with a fill value.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAzIOKGkSAx4oC/M+KAvzXigL82NwoKICBiIOKGkCA04oC/NCDipYog4oaVMTYKCiAgM+KAvzMg4oaRIGIKCiAgNeKAvzUg4oaRIGIKCiAgM+KAv8KvMyDihpEgYg==">↗️</a><pre>      <span class='Number'>3</span> <span class='Function'>↑</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>67</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MyDihpEgMeKAvzPigL814oC/NjcKCmIg4oaQIDTigL80IOKliiDihpUxNgoKM+KAvzMg4oaRIGIKCjXigL81IOKGkSBiCgoz4oC/wq8zIOKGkSBi">↗️</a><pre>    <span class='Number'>3</span> <span class='Function'>↑</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>67</span>
 ⟨ 1 3 5 ⟩
 
-      <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>16</span>
+    <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>16</span>
 
-      <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>↑</span> <span class='Value'>b</span>
+    <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>↑</span> <span class='Value'>b</span>
 ┌─        
 ╵ 0 1  2  
   4 5  6  
   8 9 10  
          ┘
 
-      <span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>↑</span> <span class='Value'>b</span>
+    <span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>↑</span> <span class='Value'>b</span>
 ┌─               
 ╵  0  1  2  3 0  
    4  5  6  7 0  
@@ -46,7 +46,7 @@
    0  0  0  0 0  
                 ┘
 
-      <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>¯3</span> <span class='Function'>↑</span> <span class='Value'>b</span>
+    <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>¯3</span> <span class='Function'>↑</span> <span class='Value'>b</span>
 ┌─         
 ╵ 1  2  3  
   5  6  7  
diff --git a/docs/help/range_windows.html b/docs/help/range_windows.html
index 830c0fe0..b284e54c 100644
--- a/docs/help/range_windows.html
+++ b/docs/help/range_windows.html
@@ -8,10 +8,10 @@
 <h2 id="-𝕩-range"><a class="header" href="#-𝕩-range"><code><span class='Function'>↕</span> <span class='Value'>𝕩</span></code>: Range</a></h2>
 <p>Return all indices that would index into an array of shape <code><span class='Value'>𝕩</span></code>.</p>
 <p>When given a single number, range from <code><span class='Number'>0</span></code> to <code><span class='Value'>𝕩</span><span class='Function'>-</span><span class='Number'>1</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oaVIDQKCiAgIOKGlSA04oC/NQ==">↗️</a><pre>       <span class='Function'>↕</span> <span class='Number'>4</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oaVIDQKCuKGlSA04oC/NQ==">↗️</a><pre>    <span class='Function'>↕</span> <span class='Number'>4</span>
 ⟨ 0 1 2 3 ⟩
 
-       <span class='Function'>↕</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span>
+    <span class='Function'>↕</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span>
 ┌─                                         
 ╵ ⟨ 0 0 ⟩ ⟨ 0 1 ⟩ ⟨ 0 2 ⟩ ⟨ 0 3 ⟩ ⟨ 0 4 ⟩  
   ⟨ 1 0 ⟩ ⟨ 1 1 ⟩ ⟨ 1 2 ⟩ ⟨ 1 3 ⟩ ⟨ 1 4 ⟩  
@@ -21,16 +21,16 @@
 </pre>
 <h2 id="𝕨--𝕩-windows"><a class="header" href="#𝕨--𝕩-windows"><code><span class='Value'>𝕨</span> <span class='Function'>↕</span> <span class='Value'>𝕩</span></code>: Windows</a></h2>
 <p>Overlapping slices from <code><span class='Value'>𝕩</span></code> of shape <code><span class='Value'>𝕨</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgNSDihpUgImFiY2RlZmciCgogICBhIOKGkCAz4oC/M+KliuKGlTkKCiAgIDLigL8yIOKGlSBh">↗️</a><pre>       <span class='Number'>5</span> <span class='Function'>↕</span> <span class='String'>&quot;abcdefg&quot;</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=NSDihpUgImFiY2RlZmciCgphIOKGkCAz4oC/M+KliuKGlTkKCjLigL8yIOKGlSBh">↗️</a><pre>    <span class='Number'>5</span> <span class='Function'>↕</span> <span class='String'>&quot;abcdefg&quot;</span>
 ┌─       
 ╵"abcde  
   bcdef  
   cdefg" 
         ┘
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Function'>⥊↕</span><span class='Number'>9</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Function'>⥊↕</span><span class='Number'>9</span>
 
-       <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>↕</span> <span class='Value'>a</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>↕</span> <span class='Value'>a</span>
 ┌─     
 ┆ 0 1  
   3 4  
diff --git a/docs/help/rank.html b/docs/help/rank.html
index 22fe0673..1789d21f 100644
--- a/docs/help/rank.html
+++ b/docs/help/rank.html
@@ -13,9 +13,9 @@
 <li><code><span class='Modifier2'>⎉</span> <span class='Value'>b</span><span class='Ligature'>‿</span><span class='Value'>c</span></code>   ⍝ Rank-b cells of <code><span class='Value'>𝕨</span></code> and rank-c cells of <code><span class='Value'>𝕩</span></code> (dyadic)</li>
 <li><code><span class='Modifier2'>⎉</span> <span class='Value'>a</span><span class='Ligature'>‿</span><span class='Value'>b</span><span class='Ligature'>‿</span><span class='Value'>c</span></code>   ⍝ Rank-a cells of <code><span class='Value'>𝕩</span></code> (monadic), b-cells of <code><span class='Value'>𝕨</span></code> and c-cells of <code><span class='Value'>𝕩</span></code> (dyadic)</li>
 </ul>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgYSDihpAgM+KAvzLigL804qWKIkFCQ0RFRkdISUpLTE1OT1BRUlNUVVZXWFlaIgoKICAg4oy94o6JMiBh">↗️</a><pre>       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Function'>⥊</span><span class='String'>&quot;ABCDEFGHIJKLMNOPQRSTUVWXYZ&quot;</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=YSDihpAgM+KAvzLigL804qWKIkFCQ0RFRkdISUpLTE1OT1BRUlNUVVZXWFlaIgoK4oy94o6JMiBh">↗️</a><pre>    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Function'>⥊</span><span class='String'>&quot;ABCDEFGHIJKLMNOPQRSTUVWXYZ&quot;</span>
 
-       <span class='Function'>⌽</span><span class='Modifier2'>⎉</span><span class='Number'>2</span> <span class='Value'>a</span>
+    <span class='Function'>⌽</span><span class='Modifier2'>⎉</span><span class='Number'>2</span> <span class='Value'>a</span>
 ┌─      
 ╎"EFGH  
   ABCD  
diff --git a/docs/help/rank_equals.html b/docs/help/rank_equals.html
index fdb2053a..dfa28f39 100644
--- a/docs/help/rank_equals.html
+++ b/docs/help/rank_equals.html
@@ -7,16 +7,16 @@
 <h1 id="equal-"><a class="header" href="#equal-">Equal (<code><span class='Function'>=</span></code>)</a></h1>
 <h2 id="-𝕩-rank"><a class="header" href="#-𝕩-rank"><code><span class='Function'>=</span> <span class='Value'>𝕩</span></code>: Rank</a></h2>
 <p>Returns the number of dimensions in <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICA9IDAKCiAgPSAz4qWKMAoKICA9IDPigL8z4qWKMAoKICAz4oC/M+KAvzMg4qWKIOKfqOKfqDDin6nin6k=">↗️</a><pre>      <span class='Function'>=</span> <span class='Number'>0</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=PSAwCgo9IDPipYowCgo9IDPigL8z4qWKMAoKM+KAvzPigL8zIOKliiDin6jin6gw4p+p4p+p">↗️</a><pre>    <span class='Function'>=</span> <span class='Number'>0</span>
 0
 
-      <span class='Function'>=</span> <span class='Number'>3</span><span class='Function'>⥊</span><span class='Number'>0</span>
+    <span class='Function'>=</span> <span class='Number'>3</span><span class='Function'>⥊</span><span class='Number'>0</span>
 1
 
-      <span class='Function'>=</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Function'>⥊</span><span class='Number'>0</span>
+    <span class='Function'>=</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Function'>⥊</span><span class='Number'>0</span>
 2
 
-      <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Bracket'>⟨⟨</span><span class='Number'>0</span><span class='Bracket'>⟩⟩</span>
+    <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Bracket'>⟨⟨</span><span class='Number'>0</span><span class='Bracket'>⟩⟩</span>
 ┌─                   
 ╎ ⟨ 0 ⟩ ⟨ 0 ⟩ ⟨ 0 ⟩  
   ⟨ 0 ⟩ ⟨ 0 ⟩ ⟨ 0 ⟩  
@@ -33,12 +33,12 @@
 </pre>
 <h2 id="𝕨--𝕩-equal-to"><a class="header" href="#𝕨--𝕩-equal-to"><code><span class='Value'>𝕨</span> <span class='Function'>=</span> <span class='Value'>𝕩</span></code>: Equal To</a></h2>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxID0gMwoKICAy4oC/M+KAvzAgPSAz4oC/MeKAvzAKCiAgJ2EnID0gJ2En">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>=</span> <span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSA9IDMKCjLigL8z4oC/MCA9IDPigL8x4oC/MAoKJ2EnID0gJ2En">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>=</span> <span class='Number'>3</span>
 0
 
-      <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>=</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
+    <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>=</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
 ⟨ 0 0 1 ⟩
 
-      <span class='String'>'a'</span> <span class='Function'>=</span> <span class='String'>'a'</span>
+    <span class='String'>'a'</span> <span class='Function'>=</span> <span class='String'>'a'</span>
 1
 </pre>
diff --git a/docs/help/reciprocal_divide.html b/docs/help/reciprocal_divide.html
index c0e4eb07..1f361b93 100644
--- a/docs/help/reciprocal_divide.html
+++ b/docs/help/reciprocal_divide.html
@@ -8,7 +8,7 @@
 <h2 id="-𝕩-reciprocal"><a class="header" href="#-𝕩-reciprocal"><code><span class='Function'>÷</span> <span class='Value'>𝕩</span></code>: Reciprocal</a></h2>
 <p>Gives <code><span class='Number'>1</span> <span class='Function'>÷</span> <span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDDtyA1">↗️</a><pre>      <span class='Function'>÷</span> <span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=w7cgNQ==">↗️</a><pre>    <span class='Function'>÷</span> <span class='Number'>5</span>
 0.2
 </pre>
 <h2 id="𝕨--𝕩-divide"><a class="header" href="#𝕨--𝕩-divide"><code><span class='Value'>𝕨</span> <span class='Function'>÷</span> <span class='Value'>𝕩</span></code>: Divide</a></h2>
diff --git a/docs/help/repeat.html b/docs/help/repeat.html
index edfe00b9..0112fa53 100644
--- a/docs/help/repeat.html
+++ b/docs/help/repeat.html
@@ -8,12 +8,12 @@
 <h2 id="𝔽𝔾-𝕩-𝕨-𝔽𝔾-𝕩-repeat"><a class="header" href="#𝔽𝔾-𝕩-𝕨-𝔽𝔾-𝕩-repeat"><code><span class='Function'>𝔽</span><span class='Modifier2'>⍟</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>, <code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier2'>⍟</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: Repeat</a></h2>
 <p>Apply <code><span class='Function'>𝔾</span></code> to <code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code>, then apply <code><span class='Function'>𝔽</span></code> to <code><span class='Value'>𝕩</span></code> that may times. If <code><span class='Value'>𝕨</span></code> is given, use it each time as a constant left argument.</p>
 <p>If <code><span class='Function'>𝔾</span></code> returns an array, give <code><span class='Function'>𝔽</span><span class='Modifier2'>⍟</span><span class='Value'>𝕩</span></code> for each of its elements.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMSAr4o2f4oqiIDQKCiAgIDEgK+KNnzHigL8y4oC/MyA0CgogICAzIOKIvuKNn3viiaDwnZWpfSDin6g0LDUsNuKfqQ==">↗️</a><pre>       <span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier2'>⍟</span><span class='Function'>⊢</span> <span class='Number'>4</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSAr4o2f4oqiIDQKCjEgK+KNnzHigL8y4oC/MyA0CgozIOKIvuKNn3viiaDwnZWpfSDin6g0LDUsNuKfqQ==">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier2'>⍟</span><span class='Function'>⊢</span> <span class='Number'>4</span>
 8
 
-       <span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier2'>⍟</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Number'>4</span>
+    <span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier2'>⍟</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Number'>4</span>
 ⟨ 5 6 7 ⟩
 
-       <span class='Number'>3</span> <span class='Function'>∾</span><span class='Modifier2'>⍟</span><span class='Brace'>{</span><span class='Function'>≠</span><span class='Value'>𝕩</span><span class='Brace'>}</span> <span class='Bracket'>⟨</span><span class='Number'>4</span><span class='Separator'>,</span><span class='Number'>5</span><span class='Separator'>,</span><span class='Number'>6</span><span class='Bracket'>⟩</span>
+    <span class='Number'>3</span> <span class='Function'>∾</span><span class='Modifier2'>⍟</span><span class='Brace'>{</span><span class='Function'>≠</span><span class='Value'>𝕩</span><span class='Brace'>}</span> <span class='Bracket'>⟨</span><span class='Number'>4</span><span class='Separator'>,</span><span class='Number'>5</span><span class='Separator'>,</span><span class='Number'>6</span><span class='Bracket'>⟩</span>
 ⟨ 3 3 3 4 5 6 ⟩
 </pre>
diff --git a/docs/help/reverse_rotate.html b/docs/help/reverse_rotate.html
index 538005c9..175bd6a1 100644
--- a/docs/help/reverse_rotate.html
+++ b/docs/help/reverse_rotate.html
@@ -7,12 +7,12 @@
 <h1 id="circle-stile-"><a class="header" href="#circle-stile-">Circle Stile (<code><span class='Function'>⌽</span></code>)</a></h1>
 <h2 id="-𝕩-reverse"><a class="header" href="#-𝕩-reverse"><code><span class='Function'>⌽</span> <span class='Value'>𝕩</span></code>: Reverse</a></h2>
 <p>Reverse <code><span class='Value'>𝕩</span></code> along the first axis.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oy9IDHigL8y4oC/MwoKICAgYSDihpAgM+KAvzMg4qWKIOKGlTkKCiAgIOKMvSBh">↗️</a><pre>       <span class='Function'>⌽</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oy9IDHigL8y4oC/MwoKYSDihpAgM+KAvzMg4qWKIOKGlTkKCuKMvSBh">↗️</a><pre>    <span class='Function'>⌽</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 3 2 1 ⟩
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Function'>⌽</span> <span class='Value'>a</span>
+    <span class='Function'>⌽</span> <span class='Value'>a</span>
 ┌─       
 ╵ 6 7 8  
   3 4 5  
@@ -21,12 +21,12 @@
 </pre>
 <h2 id="𝕨--𝕩-rotate"><a class="header" href="#𝕨--𝕩-rotate"><code><span class='Value'>𝕨</span> <span class='Function'>⌽</span> <span class='Value'>𝕩</span></code>: Rotate</a></h2>
 <p>Move the first <code><span class='Value'>𝕨</span></code> elements of <code><span class='Value'>𝕩</span></code> to its end. Negative <code><span class='Value'>𝕨</span></code> reverses the direction of rotation.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMiDijL0gMeKAvzLigL8zCgogICBiIOKGkCAz4oC/MyDipYog4oaVOQoKICAgMiDijL0gYg==">↗️</a><pre>       <span class='Number'>2</span> <span class='Function'>⌽</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MiDijL0gMeKAvzLigL8zCgpiIOKGkCAz4oC/MyDipYog4oaVOQoKMiDijL0gYg==">↗️</a><pre>    <span class='Number'>2</span> <span class='Function'>⌽</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 3 1 2 ⟩
 
-       <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+    <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Number'>2</span> <span class='Function'>⌽</span> <span class='Value'>b</span>
+    <span class='Number'>2</span> <span class='Function'>⌽</span> <span class='Value'>b</span>
 ┌─       
 ╵ 6 7 8  
   0 1 2  
diff --git a/docs/help/scan.html b/docs/help/scan.html
index 464d9fa7..7eee9b98 100644
--- a/docs/help/scan.html
+++ b/docs/help/scan.html
@@ -7,29 +7,29 @@
 <h1 id="grave---"><a class="header" href="#grave---">Grave (<code><span class='Modifier'>`</span></code>)</a></h1>
 <h2 id="𝔽-𝕩-scan"><a class="header" href="#𝔽-𝕩-scan"><code><span class='Function'>𝔽</span><span class='Modifier'>`</span> <span class='Value'>𝕩</span></code>: Scan</a></h2>
 <p>Scan over <code><span class='Value'>𝕩</span></code> with <code><span class='Function'>𝔽</span></code> from left to right, producing intermediate values.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgK2AgMeKAvzLigL8zCgogICDin6gxLCAxKzIsICgxKzIpKzPin6kKCiAgIC1gIDHigL8y4oC/MwoKICAg4p+oMSwgMS0yLCAoMS0yKS0z4p+p">↗️</a><pre>       <span class='Function'>+</span><span class='Modifier'>`</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=K2AgMeKAvzLigL8zCgrin6gxLCAxKzIsICgxKzIpKzPin6kKCi1gIDHigL8y4oC/MwoK4p+oMSwgMS0yLCAoMS0yKS0z4p+p">↗️</a><pre>    <span class='Function'>+</span><span class='Modifier'>`</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 1 3 6 ⟩
 
-       <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>1</span><span class='Function'>+</span><span class='Number'>2</span><span class='Separator'>,</span> <span class='Paren'>(</span><span class='Number'>1</span><span class='Function'>+</span><span class='Number'>2</span><span class='Paren'>)</span><span class='Function'>+</span><span class='Number'>3</span><span class='Bracket'>⟩</span>
+    <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>1</span><span class='Function'>+</span><span class='Number'>2</span><span class='Separator'>,</span> <span class='Paren'>(</span><span class='Number'>1</span><span class='Function'>+</span><span class='Number'>2</span><span class='Paren'>)</span><span class='Function'>+</span><span class='Number'>3</span><span class='Bracket'>⟩</span>
 ⟨ 1 3 6 ⟩
 
-       <span class='Function'>-</span><span class='Modifier'>`</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Function'>-</span><span class='Modifier'>`</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 1 ¯1 ¯4 ⟩
 
-       <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>1</span><span class='Function'>-</span><span class='Number'>2</span><span class='Separator'>,</span> <span class='Paren'>(</span><span class='Number'>1</span><span class='Function'>-</span><span class='Number'>2</span><span class='Paren'>)</span><span class='Function'>-</span><span class='Number'>3</span><span class='Bracket'>⟩</span>
+    <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>1</span><span class='Function'>-</span><span class='Number'>2</span><span class='Separator'>,</span> <span class='Paren'>(</span><span class='Number'>1</span><span class='Function'>-</span><span class='Number'>2</span><span class='Paren'>)</span><span class='Function'>-</span><span class='Number'>3</span><span class='Bracket'>⟩</span>
 ⟨ 1 ¯1 ¯4 ⟩
 </pre>
 <h2 id="𝕨-𝔽-𝕩-scan-with-initial"><a class="header" href="#𝕨-𝔽-𝕩-scan-with-initial"><code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier'>`</span> <span class='Value'>𝕩</span></code>: Scan With initial</a></h2>
 <p>Monadic scan, but use <code><span class='Value'>𝕨</span></code> as initial left argument.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgNSArYCAx4oC/MuKAvzMKCiAgIOKfqDUrMSwgKDUrMSkrMiwgKCg1KzEpKzIpKzPin6kKCiAgIDUgLWAgMeKAvzLigL8zCgogICDin6g1LTEsICg1LTEpLTIsICgoNS0xKS0yKS0z4p+p">↗️</a><pre>       <span class='Number'>5</span> <span class='Function'>+</span><span class='Modifier'>`</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=NSArYCAx4oC/MuKAvzMKCuKfqDUrMSwgKDUrMSkrMiwgKCg1KzEpKzIpKzPin6kKCjUgLWAgMeKAvzLigL8zCgrin6g1LTEsICg1LTEpLTIsICgoNS0xKS0yKS0z4p+p">↗️</a><pre>    <span class='Number'>5</span> <span class='Function'>+</span><span class='Modifier'>`</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 6 8 11 ⟩
 
-       <span class='Bracket'>⟨</span><span class='Number'>5</span><span class='Function'>+</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Paren'>(</span><span class='Number'>5</span><span class='Function'>+</span><span class='Number'>1</span><span class='Paren'>)</span><span class='Function'>+</span><span class='Number'>2</span><span class='Separator'>,</span> <span class='Paren'>((</span><span class='Number'>5</span><span class='Function'>+</span><span class='Number'>1</span><span class='Paren'>)</span><span class='Function'>+</span><span class='Number'>2</span><span class='Paren'>)</span><span class='Function'>+</span><span class='Number'>3</span><span class='Bracket'>⟩</span>
+    <span class='Bracket'>⟨</span><span class='Number'>5</span><span class='Function'>+</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Paren'>(</span><span class='Number'>5</span><span class='Function'>+</span><span class='Number'>1</span><span class='Paren'>)</span><span class='Function'>+</span><span class='Number'>2</span><span class='Separator'>,</span> <span class='Paren'>((</span><span class='Number'>5</span><span class='Function'>+</span><span class='Number'>1</span><span class='Paren'>)</span><span class='Function'>+</span><span class='Number'>2</span><span class='Paren'>)</span><span class='Function'>+</span><span class='Number'>3</span><span class='Bracket'>⟩</span>
 ⟨ 6 8 11 ⟩
 
-       <span class='Number'>5</span> <span class='Function'>-</span><span class='Modifier'>`</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Number'>5</span> <span class='Function'>-</span><span class='Modifier'>`</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 4 2 ¯1 ⟩
 
-       <span class='Bracket'>⟨</span><span class='Number'>5</span><span class='Function'>-</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Paren'>(</span><span class='Number'>5</span><span class='Function'>-</span><span class='Number'>1</span><span class='Paren'>)</span><span class='Function'>-</span><span class='Number'>2</span><span class='Separator'>,</span> <span class='Paren'>((</span><span class='Number'>5</span><span class='Function'>-</span><span class='Number'>1</span><span class='Paren'>)</span><span class='Function'>-</span><span class='Number'>2</span><span class='Paren'>)</span><span class='Function'>-</span><span class='Number'>3</span><span class='Bracket'>⟩</span>
+    <span class='Bracket'>⟨</span><span class='Number'>5</span><span class='Function'>-</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Paren'>(</span><span class='Number'>5</span><span class='Function'>-</span><span class='Number'>1</span><span class='Paren'>)</span><span class='Function'>-</span><span class='Number'>2</span><span class='Separator'>,</span> <span class='Paren'>((</span><span class='Number'>5</span><span class='Function'>-</span><span class='Number'>1</span><span class='Paren'>)</span><span class='Function'>-</span><span class='Number'>2</span><span class='Paren'>)</span><span class='Function'>-</span><span class='Number'>3</span><span class='Bracket'>⟩</span>
 ⟨ 4 2 ¯1 ⟩
 </pre>
diff --git a/docs/help/self_swap.html b/docs/help/self_swap.html
index e06b0def..3cf26801 100644
--- a/docs/help/self_swap.html
+++ b/docs/help/self_swap.html
@@ -7,17 +7,17 @@
 <h1 id="small-tilde-"><a class="header" href="#small-tilde-">Small Tilde (<code><span class='Modifier'>˜</span></code>)</a></h1>
 <h2 id="𝔽-𝕩-self"><a class="header" href="#𝔽-𝕩-self"><code><span class='Function'>𝔽</span><span class='Modifier'>˜</span> <span class='Value'>𝕩</span></code>: Self</a></h2>
 <p>Supplies <code><span class='Value'>𝕩</span></code> as a left argument to <code><span class='Function'>𝔽</span></code> (<code><span class='Value'>𝕩</span> <span class='Function'>𝔽</span> <span class='Value'>𝕩</span></code>).</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMSArIDEKCiAgICvLnCAx">↗️</a><pre>       <span class='Number'>1</span> <span class='Function'>+</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSArIDEKCivLnCAx">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>+</span> <span class='Number'>1</span>
 2
 
-       <span class='Function'>+</span><span class='Modifier'>˜</span> <span class='Number'>1</span>
+    <span class='Function'>+</span><span class='Modifier'>˜</span> <span class='Number'>1</span>
 2
 </pre>
 <h2 id="𝕨-𝔽-𝕩-swap"><a class="header" href="#𝕨-𝔽-𝕩-swap"><code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier'>˜</span> <span class='Value'>𝕩</span></code>: Swap</a></h2>
 <p>Swaps the arguments of <code><span class='Function'>𝔽</span></code> (<code><span class='Value'>𝕩</span> <span class='Function'>𝔽</span> <span class='Value'>𝕨</span></code>).</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMSAtIDIKCiAgIDEgLcucIDI=">↗️</a><pre>       <span class='Number'>1</span> <span class='Function'>-</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSAtIDIKCjEgLcucIDI=">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>-</span> <span class='Number'>2</span>
 ¯1
 
-       <span class='Number'>1</span> <span class='Function'>-</span><span class='Modifier'>˜</span> <span class='Number'>2</span>
+    <span class='Number'>1</span> <span class='Function'>-</span><span class='Modifier'>˜</span> <span class='Number'>2</span>
 1
 </pre>
diff --git a/docs/help/shape_notmatch.html b/docs/help/shape_notmatch.html
index f45a943f..89fc61b0 100644
--- a/docs/help/shape_notmatch.html
+++ b/docs/help/shape_notmatch.html
@@ -7,20 +7,20 @@
 <h1 id="not-identical-to-"><a class="header" href="#not-identical-to-">Not Identical To (<code><span class='Function'>≢</span></code>)</a></h1>
 <h2 id="-𝕩-shape"><a class="header" href="#-𝕩-shape"><code><span class='Function'>≢</span> <span class='Value'>𝕩</span></code>: Shape</a></h2>
 <p>Length of each dimension of x.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDiiaIgMQoKICDiiaIgMeKAvzIKCiAg4omiIDHigL8yIOKJjSAz4oC/NA==">↗️</a><pre>      <span class='Function'>≢</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4omiIDEKCuKJoiAx4oC/MgoK4omiIDHigL8yIOKJjSAz4oC/NA==">↗️</a><pre>    <span class='Function'>≢</span> <span class='Number'>1</span>
 ⟨⟩
 
-      <span class='Function'>≢</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span>
+    <span class='Function'>≢</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span>
 ⟨ 2 ⟩
 
-      <span class='Function'>≢</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>≍</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+    <span class='Function'>≢</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>≍</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 ⟨ 2 2 ⟩
 </pre>
 <h2 id="𝕨--𝕩-not-match"><a class="header" href="#𝕨--𝕩-not-match"><code><span class='Value'>𝕨</span> <span class='Function'>≢</span> <span class='Value'>𝕩</span></code>: Not Match</a></h2>
 <p>Does <code><span class='Value'>𝕨</span></code> not exactly match <code><span class='Value'>𝕩</span></code>?</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIOKJoiDin6gx4p+pCgogIOKfqDHin6kg4omiIOKfqDHin6k=">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>≢</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDiiaIg4p+oMeKfqQoK4p+oMeKfqSDiiaIg4p+oMeKfqQ==">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>≢</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span>
 1
 
-      <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span> <span class='Function'>≢</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span>
+    <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span> <span class='Function'>≢</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Bracket'>⟩</span>
 0
 </pre>
diff --git a/docs/help/shiftafter.html b/docs/help/shiftafter.html
index 44d6a658..ac75ab15 100644
--- a/docs/help/shiftafter.html
+++ b/docs/help/shiftafter.html
@@ -7,10 +7,10 @@
 <h1 id="right-pointing-double-angle-quotation-"><a class="header" href="#right-pointing-double-angle-quotation-">Right Pointing Double Angle Quotation (<code><span class='Function'>»</span></code>)</a></h1>
 <h2 id="-𝕩-shift-after"><a class="header" href="#-𝕩-shift-after"><code><span class='Function'>»</span> <span class='Value'>𝕩</span></code>: Shift After</a></h2>
 <p>Remove the last element of <code><span class='Value'>𝕩</span></code>, add a cell of fill values to the start of the first axis of <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgwrsgMeKAvzLigL8zCgogICDCuyAz4oC/MyDipYogOQ==">↗️</a><pre>       <span class='Function'>»</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=wrsgMeKAvzLigL8zCgrCuyAz4oC/MyDipYogOQ==">↗️</a><pre>    <span class='Function'>»</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 0 1 2 ⟩
 
-       <span class='Function'>»</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>9</span>
+    <span class='Function'>»</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>9</span>
 ┌─       
 ╵ 0 0 0  
   9 9 9  
@@ -19,15 +19,15 @@
 </pre>
 <h2 id="𝕨--𝕩-shift-after"><a class="header" href="#𝕨--𝕩-shift-after"><code><span class='Value'>𝕨</span> <span class='Function'>»</span> <span class='Value'>𝕩</span></code>: Shift After</a></h2>
 <p>Remove the last <code><span class='Function'>≠</span><span class='Value'>𝕨</span></code> (length) major cells from <code><span class='Value'>𝕩</span></code>, join <code><span class='Value'>𝕨</span></code> to the start of <code><span class='Value'>𝕩</span></code>. Ranks must match.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgNzggwrsgMeKAvzLigL8zCgogICAx4oC/MiDCuyAx4oC/MuKAvzMKCiAgIGEg4oaQIDPigL8zIOKliiA5CgogICAx4oC/MuKAvzMgwrsgYQ==">↗️</a><pre>       <span class='Number'>78</span> <span class='Function'>»</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=NzggwrsgMeKAvzLigL8zCgox4oC/MiDCuyAx4oC/MuKAvzMKCmEg4oaQIDPigL8zIOKliiA5Cgox4oC/MuKAvzMgwrsgYQ==">↗️</a><pre>    <span class='Number'>78</span> <span class='Function'>»</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 78 1 2 ⟩
 
-       <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>»</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>»</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 1 2 1 ⟩
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>9</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>9</span>
 
-       <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>»</span> <span class='Value'>a</span>
+    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>»</span> <span class='Value'>a</span>
 ┌─       
 ╵ 1 2 3  
   9 9 9  
diff --git a/docs/help/shiftbefore.html b/docs/help/shiftbefore.html
index 5b5fa049..551f2e44 100644
--- a/docs/help/shiftbefore.html
+++ b/docs/help/shiftbefore.html
@@ -7,13 +7,13 @@
 <h1 id="left-pointing-double-angle-quotation-"><a class="header" href="#left-pointing-double-angle-quotation-">Left Pointing Double Angle Quotation (<code><span class='Function'>«</span></code>)</a></h1>
 <h2 id="-𝕩-shift-before"><a class="header" href="#-𝕩-shift-before"><code><span class='Function'>«</span> <span class='Value'>𝕩</span></code>: Shift Before</a></h2>
 <p>Remove the first element of <code><span class='Value'>𝕩</span></code>,  add a cell of fill values to the end of the first axis of <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgNzggwqsgMeKAvzLigL8zCgogICDCqyAx4oC/MuKAvzMKCiAgIMKrIDPigL8zIOKliiA5">↗️</a><pre>       <span class='Number'>78</span> <span class='Function'>«</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=NzggwqsgMeKAvzLigL8zCgrCqyAx4oC/MuKAvzMKCsKrIDPigL8zIOKliiA5">↗️</a><pre>    <span class='Number'>78</span> <span class='Function'>«</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 2 3 78 ⟩
 
-       <span class='Function'>«</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Function'>«</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 2 3 0 ⟩
 
-       <span class='Function'>«</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>9</span>
+    <span class='Function'>«</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>9</span>
 ┌─       
 ╵ 9 9 9  
   9 9 9  
@@ -22,12 +22,12 @@
 </pre>
 <h2 id="𝕨--𝕩-shift-before"><a class="header" href="#𝕨--𝕩-shift-before"><code><span class='Value'>𝕨</span> <span class='Function'>«</span> <span class='Value'>𝕩</span></code>: Shift Before</a></h2>
 <p>Remove the first <code><span class='Function'>≠</span><span class='Value'>𝕨</span></code> (length) major cells from <code><span class='Value'>𝕩</span></code>, join <code><span class='Value'>𝕨</span></code> to the end of <code><span class='Value'>𝕩</span></code>. Ranks must match.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgOOKAvzUgwqsgMeKAvzLigL8zCgogICBhIOKGkCAz4oC/MyDipYogOQoKICAgMeKAvzLigL8zIMKrIGE=">↗️</a><pre>       <span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>«</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=OOKAvzUgwqsgMeKAvzLigL8zCgphIOKGkCAz4oC/MyDipYogOQoKMeKAvzLigL8zIMKrIGE=">↗️</a><pre>    <span class='Number'>8</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>«</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 3 8 5 ⟩
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>9</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Number'>9</span>
 
-       <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>«</span> <span class='Value'>a</span>
+    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>«</span> <span class='Value'>a</span>
 ┌─       
 ╵ 9 9 9  
   9 9 9  
diff --git a/docs/help/sign_multiply.html b/docs/help/sign_multiply.html
index 11cb1998..ed17f525 100644
--- a/docs/help/sign_multiply.html
+++ b/docs/help/sign_multiply.html
@@ -13,15 +13,15 @@
 <li><code><span class='Number'>1</span></code> if <code><span class='Value'>𝕩</span> <span class='Function'>&gt;</span> <span class='Number'>0</span></code></li>
 </ul>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDDlyDCrzXigL8w4oC/NeKAvzE=">↗️</a><pre>      <span class='Function'>×</span> <span class='Number'>¯5</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=w5cgwq814oC/MOKAvzXigL8x">↗️</a><pre>    <span class='Function'>×</span> <span class='Number'>¯5</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>1</span>
 ⟨ ¯1 0 1 1 ⟩
 </pre>
 <h2 id="𝕨--𝕩-multiply"><a class="header" href="#𝕨--𝕩-multiply"><code><span class='Value'>𝕨</span> <span class='Function'>×</span> <span class='Value'>𝕩</span></code>: Multiply</a></h2>
 <p><code><span class='Value'>𝕨</span></code> multiplied by <code><span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIMOXIDIKCiAgMiDDlyAy4oC/M+KAvzQ=">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>×</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDDlyAyCgoyIMOXIDLigL8z4oC/NA==">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>×</span> <span class='Number'>2</span>
 2
 
-      <span class='Number'>2</span> <span class='Function'>×</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+    <span class='Number'>2</span> <span class='Function'>×</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 ⟨ 4 6 8 ⟩
 </pre>
diff --git a/docs/help/solo_couple.html b/docs/help/solo_couple.html
index ad526c1c..0f3f5579 100644
--- a/docs/help/solo_couple.html
+++ b/docs/help/solo_couple.html
@@ -7,39 +7,39 @@
 <h1 id="tape-"><a class="header" href="#tape-">Tape (<code><span class='Function'>≍</span></code>)</a></h1>
 <h2 id="-𝕩-solo"><a class="header" href="#-𝕩-solo"><code><span class='Function'>≍</span> <span class='Value'>𝕩</span></code>: Solo</a></h2>
 <p>Add a dimension to <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDiiY0gMQoKCiAg4omN4omNIDEKCgog4omN4omN4omNIDEKCgog4omN4omNIDHigL8y4oC/M+KAvzQKCgog4omN4omN4omNIDHigL8y4oC/M+KAvzQ=">↗️</a><pre>      <span class='Function'>≍</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4omNIDEKCgriiY3iiY0gMQoKCuKJjeKJjeKJjSAxCgoK4omN4omNIDHigL8y4oC/M+KAvzQKCgriiY3iiY3iiY0gMeKAvzLigL8z4oC/NA==">↗️</a><pre>    <span class='Function'>≍</span> <span class='Number'>1</span>
 ⟨ 1 ⟩
 
 
-      <span class='Function'>≍≍</span> <span class='Number'>1</span>
+    <span class='Function'>≍≍</span> <span class='Number'>1</span>
 ┌─   
 ╵ 1  
     ┘
 
 
-     <span class='Function'>≍≍≍</span> <span class='Number'>1</span>
+    <span class='Function'>≍≍≍</span> <span class='Number'>1</span>
 ┌─   
 ╎ 1  
     ┘
 
 
-     <span class='Function'>≍≍</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+    <span class='Function'>≍≍</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 ┌─         
 ╎ 1 2 3 4  
           ┘
 
 
-     <span class='Function'>≍≍≍</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+    <span class='Function'>≍≍≍</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 ┌─         
 ┆ 1 2 3 4  
           ┘
 </pre>
 <h2 id="𝕨--𝕩-couple"><a class="header" href="#𝕨--𝕩-couple"><code><span class='Value'>𝕨</span> <span class='Function'>≍</span> <span class='Value'>𝕩</span></code>: Couple</a></h2>
 <p>Join <code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code> along a newly created axis.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMSDiiY0gMwoKICAgMeKAvzIg4omNIDLigL8z">↗️</a><pre>       <span class='Number'>1</span> <span class='Function'>≍</span> <span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDiiY0gMwoKMeKAvzIg4omNIDLigL8z">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>≍</span> <span class='Number'>3</span>
 ⟨ 1 3 ⟩
 
-       <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>≍</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span> <span class='Function'>≍</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ┌─     
 ╵ 1 2  
   2 3  
diff --git a/docs/help/sortdown_or.html b/docs/help/sortdown_or.html
index ef55b509..99a3157a 100644
--- a/docs/help/sortdown_or.html
+++ b/docs/help/sortdown_or.html
@@ -7,18 +7,18 @@
 <h1 id="logical-or-"><a class="header" href="#logical-or-">Logical Or (<code><span class='Function'>∨</span></code>)</a></h1>
 <h2 id="-𝕩-sort-down"><a class="header" href="#-𝕩-sort-down"><code><span class='Function'>∨</span> <span class='Value'>𝕩</span></code>: Sort Down</a></h2>
 <p>Sort array <code><span class='Value'>𝕩</span></code> in descending order.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDiiKggM+KAvzHigL804oC/MeKAvzU=">↗️</a><pre>      <span class='Function'>∨</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oioIDPigL8x4oC/NOKAvzHigL81">↗️</a><pre>    <span class='Function'>∨</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>5</span>
 ⟨ 5 4 3 1 1 ⟩
 </pre>
 <h2 id="𝕨--𝕩-logical-or"><a class="header" href="#𝕨--𝕩-logical-or"><code><span class='Value'>𝕨</span> <span class='Function'>∨</span> <span class='Value'>𝕩</span></code>: Logical Or</a></h2>
 <p>Logical Or of <code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIOKIqCAwCgogIDHigL8wIOKIqCAx4oC/MQoKICAwIOKIqCAw">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>∨</span> <span class='Number'>0</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDiiKggMAoKMeKAvzAg4oioIDHigL8xCgowIOKIqCAw">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>∨</span> <span class='Number'>0</span>
 1
 
-      <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>∨</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span>
+    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>∨</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span>
 ⟨ 1 1 ⟩
 
-      <span class='Number'>0</span> <span class='Function'>∨</span> <span class='Number'>0</span>
+    <span class='Number'>0</span> <span class='Function'>∨</span> <span class='Number'>0</span>
 0
 </pre>
diff --git a/docs/help/sortup_and.html b/docs/help/sortup_and.html
index ede53653..57d7fa14 100644
--- a/docs/help/sortup_and.html
+++ b/docs/help/sortup_and.html
@@ -7,15 +7,15 @@
 <h1 id="logical-and-"><a class="header" href="#logical-and-">Logical And (<code><span class='Function'>∧</span></code>)</a></h1>
 <h2 id="-𝕩-sort-up"><a class="header" href="#-𝕩-sort-up"><code><span class='Function'>∧</span> <span class='Value'>𝕩</span></code>: Sort Up</a></h2>
 <p>Sort array <code><span class='Value'>𝕩</span></code> in ascending order.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDiiKcgM+KAvzHigL804oC/MeKAvzU=">↗️</a><pre>      <span class='Function'>∧</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oinIDPigL8x4oC/NOKAvzHigL81">↗️</a><pre>    <span class='Function'>∧</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>5</span>
 ⟨ 1 1 3 4 5 ⟩
 </pre>
 <h2 id="𝕨--𝕩-logical-and"><a class="header" href="#𝕨--𝕩-logical-and"><code><span class='Value'>𝕨</span> <span class='Function'>∧</span> <span class='Value'>𝕩</span></code>: Logical And</a></h2>
 <p>Logical And of <code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAxIOKIpyAxCgogIDHigL8wIOKIpyAx4oC/MQ==">↗️</a><pre>      <span class='Number'>1</span> <span class='Function'>∧</span> <span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSDiiKcgMQoKMeKAvzAg4oinIDHigL8x">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>∧</span> <span class='Number'>1</span>
 1
 
-      <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>∧</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span>
+    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>∧</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>1</span>
 ⟨ 1 0 ⟩
 </pre>
diff --git a/docs/help/squareroot_root.html b/docs/help/squareroot_root.html
index b685d544..4db19c16 100644
--- a/docs/help/squareroot_root.html
+++ b/docs/help/squareroot_root.html
@@ -7,15 +7,15 @@
 <h1 id="root-"><a class="header" href="#root-">Root (<code><span class='Function'>√</span></code>)</a></h1>
 <h2 id="-𝕩-square-root"><a class="header" href="#-𝕩-square-root"><code><span class='Function'>√</span> <span class='Value'>𝕩</span></code>: Square root</a></h2>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICDiiJogMg==">↗️</a><pre>      <span class='Function'>√</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oiaIDI=">↗️</a><pre>    <span class='Function'>√</span> <span class='Number'>2</span>
 1.414213562373095
 </pre>
 <h2 id="𝕨--𝕩-root"><a class="header" href="#𝕨--𝕩-root"><code><span class='Value'>𝕨</span> <span class='Function'>√</span> <span class='Value'>𝕩</span></code>: Root</a></h2>
 <p><code><span class='Value'>𝕨</span></code>th root of <code><span class='Value'>𝕩</span></code>.</p>
 <p><a href="../doc/arithmetic.html#pervasion">Pervasive.</a></p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAyIOKImiAyCgogIDHigL8y4oC/M+KAvzQg4oiaIDQ=">↗️</a><pre>      <span class='Number'>2</span> <span class='Function'>√</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MiDiiJogMgoKMeKAvzLigL8z4oC/NCDiiJogNA==">↗️</a><pre>    <span class='Number'>2</span> <span class='Function'>√</span> <span class='Number'>2</span>
 1.414213562373095
 
-      <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>√</span> <span class='Number'>4</span>
+    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>√</span> <span class='Number'>4</span>
 ⟨ 4 2 1.587401051968199 1.414213562373095 ⟩
 </pre>
diff --git a/docs/help/suffixes_drop.html b/docs/help/suffixes_drop.html
index 4cb1a36c..8628dd68 100644
--- a/docs/help/suffixes_drop.html
+++ b/docs/help/suffixes_drop.html
@@ -7,12 +7,12 @@
 <h1 id="down-arrow-"><a class="header" href="#down-arrow-">Down Arrow (<code><span class='Function'>↓</span></code>)</a></h1>
 <h2 id="-𝕩-suffixes"><a class="header" href="#-𝕩-suffixes"><code><span class='Function'>↓</span> <span class='Value'>𝕩</span></code>: Suffixes</a></h2>
 <p>Suffixes of array <code><span class='Value'>𝕩</span></code> along its first axis.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oaTIDHigL8y4oC/M+KAvzQKCiAgIGEg4oaQIDPigL8zIOKliiDihpU5CgogICDihpMgYQ==">↗️</a><pre>       <span class='Function'>↓</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oaTIDHigL8y4oC/M+KAvzQKCmEg4oaQIDPigL8zIOKliiDihpU5CgrihpMgYQ==">↗️</a><pre>    <span class='Function'>↓</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span>
 ⟨ ⟨ 1 2 3 4 ⟩ ⟨ 2 3 4 ⟩ ⟨ 3 4 ⟩ ⟨ 4 ⟩ ⟨⟩ ⟩
 
-       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Function'>↓</span> <span class='Value'>a</span>
+    <span class='Function'>↓</span> <span class='Value'>a</span>
 ┌─                                    
 · ┌─        ┌─        ┌─        ↕0‿3  
   ╵ 0 1 2   ╵ 3 4 5   ╵ 6 7 8         
@@ -24,22 +24,22 @@
 <h2 id="𝕨--𝕩-drop"><a class="header" href="#𝕨--𝕩-drop"><code><span class='Value'>𝕨</span> <span class='Function'>↓</span> <span class='Value'>𝕩</span></code>: Drop</a></h2>
 <p>For each integer in <code><span class='Value'>𝕨</span></code>, drop that many elements from the beginning of each dimension of <code><span class='Value'>𝕩</span></code>.</p>
 <p>Negative numbers drop from the end.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMyDihpMgMeKAvzPigL814oC/NjcKCiAgIGIg4oaQIDTigL80IOKliiDihpUxNgoKICAgM+KAvzMg4oaTIGIKCiAgIDXigL81IOKGkyBiCgoKICAgM+KAv8KvMyDihpMgYg==">↗️</a><pre>       <span class='Number'>3</span> <span class='Function'>↓</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>67</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MyDihpMgMeKAvzPigL814oC/NjcKCmIg4oaQIDTigL80IOKliiDihpUxNgoKM+KAvzMg4oaTIGIKCjXigL81IOKGkyBiCgoKM+KAv8KvMyDihpMgYg==">↗️</a><pre>    <span class='Number'>3</span> <span class='Function'>↓</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>67</span>
 ⟨ 67 ⟩
 
-       <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>16</span>
+    <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>16</span>
 
-       <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>↓</span> <span class='Value'>b</span>
+    <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>↓</span> <span class='Value'>b</span>
 ┌─    
 ╵ 15  
      ┘
 
-       <span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>↓</span> <span class='Value'>b</span>
+    <span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>5</span> <span class='Function'>↓</span> <span class='Value'>b</span>
 ┌┐
 └┘
 
 
-       <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>¯3</span> <span class='Function'>↓</span> <span class='Value'>b</span>
+    <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>¯3</span> <span class='Function'>↓</span> <span class='Value'>b</span>
 ┌─    
 ╵ 12  
      ┘
diff --git a/docs/help/table.html b/docs/help/table.html
index 2c405ade..29d7ecc5 100644
--- a/docs/help/table.html
+++ b/docs/help/table.html
@@ -7,7 +7,7 @@
 <h1 id="top-left-corner-"><a class="header" href="#top-left-corner-">Top Left Corner (<code><span class='Modifier'>⌜</span></code>)</a></h1>
 <h2 id="𝕨-𝔽-𝕩-table"><a class="header" href="#𝕨-𝔽-𝕩-table"><code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier'>⌜</span> <span class='Value'>𝕩</span></code>: Table</a></h2>
 <p>Apply <code><span class='Function'>𝔽</span></code> between every possible pair of the elements of the arguments.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMeKAvzLigL8z4oC/NCAr4oycIDTigL814oC/NuKAvzcKCiAgICJhYmMiIOKIvuKMnCAieHl6Ig==">↗️</a><pre>       <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>+</span><span class='Modifier'>⌜</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>7</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MeKAvzLigL8z4oC/NCAr4oycIDTigL814oC/NuKAvzcKCiJhYmMiIOKIvuKMnCAieHl6Ig==">↗️</a><pre>    <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>+</span><span class='Modifier'>⌜</span> <span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span><span class='Ligature'>‿</span><span class='Number'>7</span>
 ┌─           
 ╵ 5 6  7  8  
   6 7  8  9  
@@ -15,7 +15,7 @@
   8 9 10 11  
             ┘
 
-       <span class='String'>&quot;abc&quot;</span> <span class='Function'>∾</span><span class='Modifier'>⌜</span> <span class='String'>&quot;xyz&quot;</span>
+    <span class='String'>&quot;abc&quot;</span> <span class='Function'>∾</span><span class='Modifier'>⌜</span> <span class='String'>&quot;xyz&quot;</span>
 ┌─                
 ╵ "ax" "ay" "az"  
   "bx" "by" "bz"  
diff --git a/docs/help/transpose_reorderaxes.html b/docs/help/transpose_reorderaxes.html
index 42c50210..c1efb724 100644
--- a/docs/help/transpose_reorderaxes.html
+++ b/docs/help/transpose_reorderaxes.html
@@ -7,25 +7,25 @@
 <h1 id="circle-backslash-"><a class="header" href="#circle-backslash-">Circle Backslash (<code><span class='Function'>⍉</span></code>)</a></h1>
 <h2 id="-𝕩-transpose"><a class="header" href="#-𝕩-transpose"><code><span class='Function'>⍉</span> <span class='Value'>𝕩</span></code>: Transpose</a></h2>
 <p>Move the first axis of <code><span class='Value'>𝕩</span></code> to the end.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgYSDihpAgM+KAvzMg4qWKIOKGlTkKCiAgIOKNiSBhCgogICBiIOKGkCAx4oC/MuKAvzMg4qWKIOKGlTYKCiAgIOKJouKNiSBi">↗️</a><pre>       <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=YSDihpAgM+KAvzMg4qWKIOKGlTkKCuKNiSBhCgpiIOKGkCAx4oC/MuKAvzMg4qWKIOKGlTYKCuKJouKNiSBi">↗️</a><pre>    <span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
 
-       <span class='Function'>⍉</span> <span class='Value'>a</span>
+    <span class='Function'>⍉</span> <span class='Value'>a</span>
 ┌─       
 ╵ 0 3 6  
   1 4 7  
   2 5 8  
         ┘
 
-       <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>6</span>
+    <span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>6</span>
 
-       <span class='Function'>≢⍉</span> <span class='Value'>b</span>
+    <span class='Function'>≢⍉</span> <span class='Value'>b</span>
 ⟨ 2 3 1 ⟩
 </pre>
 <h2 id="𝕨--𝕩-reorder-axes"><a class="header" href="#𝕨--𝕩-reorder-axes"><code><span class='Value'>𝕨</span> <span class='Function'>⍉</span> <span class='Value'>𝕩</span></code>: Reorder Axes</a></h2>
 <p>Rearrange the axes of <code><span class='Value'>𝕩</span></code> as per the axis indices in <code><span class='Value'>𝕨</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4omiIGMg4oaQIDLigL8z4oC/NOKAvzXigL82IOKlijEKCiAgIOKJoiAx4oC/M+KAvzLigL8w4oC/NCDijYkgYw==">↗️</a><pre>       <span class='Function'>≢</span> <span class='Value'>c</span> <span class='Gets'>←</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span> <span class='Function'>⥊</span><span class='Number'>1</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4omiIGMg4oaQIDLigL8z4oC/NOKAvzXigL82IOKlijEKCuKJoiAx4oC/M+KAvzLigL8w4oC/NCDijYkgYw==">↗️</a><pre>    <span class='Function'>≢</span> <span class='Value'>c</span> <span class='Gets'>←</span> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>4</span><span class='Ligature'>‿</span><span class='Number'>5</span><span class='Ligature'>‿</span><span class='Number'>6</span> <span class='Function'>⥊</span><span class='Number'>1</span>
 ⟨ 2 3 4 5 6 ⟩
 
-       <span class='Function'>≢</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>⍉</span> <span class='Value'>c</span>
+    <span class='Function'>≢</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>0</span><span class='Ligature'>‿</span><span class='Number'>4</span> <span class='Function'>⍉</span> <span class='Value'>c</span>
 ⟨ 5 2 4 3 6 ⟩
 </pre>
diff --git a/docs/help/under.html b/docs/help/under.html
index c50a0af5..c55d48b2 100644
--- a/docs/help/under.html
+++ b/docs/help/under.html
@@ -16,12 +16,12 @@
 <li>A function invertible by <code><span class='Modifier'>⁼</span></code> (Undo)</li>
 <li>A structural modification</li>
 </ul>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgOeKMvigx4oq44oqRKSAx4oC/MuKAvzMKCiAgIOKImuKBvCAo4oiaMSkgKyAo4oiaOSkKCiAgIDEgK+KMvuKImiA5">↗️</a><pre>       <span class='Number'>9</span><span class='Modifier2'>⌾</span><span class='Paren'>(</span><span class='Number'>1</span><span class='Modifier2'>⊸</span><span class='Function'>⊑</span><span class='Paren'>)</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=OeKMvigx4oq44oqRKSAx4oC/MuKAvzMKCuKImuKBvCAo4oiaMSkgKyAo4oiaOSkKCjEgK+KMvuKImiA5">↗️</a><pre>    <span class='Number'>9</span><span class='Modifier2'>⌾</span><span class='Paren'>(</span><span class='Number'>1</span><span class='Modifier2'>⊸</span><span class='Function'>⊑</span><span class='Paren'>)</span> <span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span>
 ⟨ 1 9 3 ⟩
 
-       <span class='Function'>√</span><span class='Modifier'>⁼</span> <span class='Paren'>(</span><span class='Function'>√</span><span class='Number'>1</span><span class='Paren'>)</span> <span class='Function'>+</span> <span class='Paren'>(</span><span class='Function'>√</span><span class='Number'>9</span><span class='Paren'>)</span>
+    <span class='Function'>√</span><span class='Modifier'>⁼</span> <span class='Paren'>(</span><span class='Function'>√</span><span class='Number'>1</span><span class='Paren'>)</span> <span class='Function'>+</span> <span class='Paren'>(</span><span class='Function'>√</span><span class='Number'>9</span><span class='Paren'>)</span>
 16
 
-       <span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier2'>⌾</span><span class='Function'>√</span> <span class='Number'>9</span>
+    <span class='Number'>1</span> <span class='Function'>+</span><span class='Modifier2'>⌾</span><span class='Function'>√</span> <span class='Number'>9</span>
 16
 </pre>
diff --git a/docs/help/undo.html b/docs/help/undo.html
index 2799abaf..dfb27aeb 100644
--- a/docs/help/undo.html
+++ b/docs/help/undo.html
@@ -7,21 +7,21 @@
 <h1 id="superscript-equals-sign-"><a class="header" href="#superscript-equals-sign-">Superscript Equals Sign (<code><span class='Modifier'>⁼</span></code>)</a></h1>
 <h2 id="𝔽-𝕩-𝕨-𝔽-𝕩-undo"><a class="header" href="#𝔽-𝕩-𝕨-𝔽-𝕩-undo"><code><span class='Function'>𝔽</span><span class='Modifier'>⁼</span> <span class='Value'>𝕩</span></code>, <code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier'>⁼</span> <span class='Value'>𝕩</span></code>: Undo</a></h2>
 <p>Invert the function <code><span class='Function'>𝔽</span></code>, or use its defined inverse. Not all functions have inverses.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMSAtIDIKCiAgIDEgLeKBvCAyCgogICDiiJogMTYKCiAgIOKImuKBvCA0CgogICDii4YgMQoKICAg4ouG4oG8IDIuNzE4MjgxODI4NDU5MDQ1">↗️</a><pre>       <span class='Number'>1</span> <span class='Function'>-</span> <span class='Number'>2</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=MSAtIDIKCjEgLeKBvCAyCgriiJogMTYKCuKImuKBvCA0Cgrii4YgMQoK4ouG4oG8IDIuNzE4MjgxODI4NDU5MDQ1">↗️</a><pre>    <span class='Number'>1</span> <span class='Function'>-</span> <span class='Number'>2</span>
 ¯1
 
-       <span class='Number'>1</span> <span class='Function'>-</span><span class='Modifier'>⁼</span> <span class='Number'>2</span>
+    <span class='Number'>1</span> <span class='Function'>-</span><span class='Modifier'>⁼</span> <span class='Number'>2</span>
 ¯1
 
-       <span class='Function'>√</span> <span class='Number'>16</span>
+    <span class='Function'>√</span> <span class='Number'>16</span>
 4
 
-       <span class='Function'>√</span><span class='Modifier'>⁼</span> <span class='Number'>4</span>
+    <span class='Function'>√</span><span class='Modifier'>⁼</span> <span class='Number'>4</span>
 16
 
-       <span class='Function'>⋆</span> <span class='Number'>1</span>
+    <span class='Function'>⋆</span> <span class='Number'>1</span>
 2.718281828459045
 
-       <span class='Function'>⋆</span><span class='Modifier'>⁼</span> <span class='Number'>2.718281828459045</span>
+    <span class='Function'>⋆</span><span class='Modifier'>⁼</span> <span class='Number'>2.718281828459045</span>
 1
 </pre>
diff --git a/docs/help/valences.html b/docs/help/valences.html
index 48078fe6..90848a48 100644
--- a/docs/help/valences.html
+++ b/docs/help/valences.html
@@ -7,17 +7,17 @@
 <h1 id="circled-division-slash-"><a class="header" href="#circled-division-slash-">Circled Division Slash (<code><span class='Modifier2'>⊘</span></code>)</a></h1>
 <h2 id="𝔽𝔾-𝕩-valences"><a class="header" href="#𝔽𝔾-𝕩-valences"><code><span class='Function'>𝔽</span><span class='Modifier2'>⊘</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: Valences</a></h2>
 <p>Apply <code><span class='Function'>𝔽</span></code> to <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgK+KKmC0gNQoKICAgLeKKmCsgNQ==">↗️</a><pre>       <span class='Function'>+</span><span class='Modifier2'>⊘</span><span class='Function'>-</span> <span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=K+KKmC0gNQoKLeKKmCsgNQ==">↗️</a><pre>    <span class='Function'>+</span><span class='Modifier2'>⊘</span><span class='Function'>-</span> <span class='Number'>5</span>
 5
 
-       <span class='Function'>-</span><span class='Modifier2'>⊘</span><span class='Function'>+</span> <span class='Number'>5</span>
+    <span class='Function'>-</span><span class='Modifier2'>⊘</span><span class='Function'>+</span> <span class='Number'>5</span>
 ¯5
 </pre>
 <h2 id="𝕨-𝔽𝔾-𝕩-dyadic-valences"><a class="header" href="#𝕨-𝔽𝔾-𝕩-dyadic-valences"><code><span class='Value'>𝕨</span> <span class='Function'>𝔽</span><span class='Modifier2'>⊘</span><span class='Function'>𝔾</span> <span class='Value'>𝕩</span></code>: Dyadic Valences</a></h2>
 <p>Apply <code><span class='Function'>𝔾</span></code> to <code><span class='Value'>𝕨</span></code> and <code><span class='Value'>𝕩</span></code>.</p>
-<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgNCAr4oqYLSA1CgogICA0IC3iipgrIDU=">↗️</a><pre>       <span class='Number'>4</span> <span class='Function'>+</span><span class='Modifier2'>⊘</span><span class='Function'>-</span> <span class='Number'>5</span>
+<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=NCAr4oqYLSA1Cgo0IC3iipgrIDU=">↗️</a><pre>    <span class='Number'>4</span> <span class='Function'>+</span><span class='Modifier2'>⊘</span><span class='Function'>-</span> <span class='Number'>5</span>
 ¯1
 
-       <span class='Number'>4</span> <span class='Function'>-</span><span class='Modifier2'>⊘</span><span class='Function'>+</span> <span class='Number'>5</span>
+    <span class='Number'>4</span> <span class='Function'>-</span><span class='Modifier2'>⊘</span><span class='Function'>+</span> <span class='Number'>5</span>
 9
 </pre>
author	Marshall Lochbaum <mwlochbaum@gmail.com>	2022-01-24 20:18:08 -0500
committer	Marshall Lochbaum <mwlochbaum@gmail.com>	2022-01-24 20:18:08 -0500
commit	bc0245f0be38e547ad76bcd719c6dedbb161f0f4 (patch)
tree	3649c29ade245e5a2fb8b2c47e19ac7b2d707a91 /docs/help
parent	5566ea9429f75b54a8cffb9ebea7747ea651d52c (diff)