1 files changed, 35 insertions, 0 deletions
diff --git a/docs/help/scan.html b/docs/help/scan.html
new file mode 100644
index 00000000..9ddf093a
--- /dev/null
+++ b/docs/help/scan.html
@@ -0,0 +1,35 @@
+<head>
+  <link href="../favicon.ico" rel="shortcut icon" type="image/x-icon"/>
+  <link href="../style.css" rel="stylesheet"/>
+  <title>BQN: Grave (`` ` ``)</title>
+</head>
+<div class="nav">(<a href="https://github.com/mlochbaum/BQN">github</a>) / <a href="../index.html">BQN</a> / <a href="index.html">help</a></div>
+<h1 id="grave---"><a class="header" href="#grave---">Grave (<code><span class='Modifier'>`</span></code>)</a></h1>
+<h2 id="--fold"><a class="header" href="#--fold"><code><span class='Function'>𝔽</span><span class='Modifier'>`</span> <span class='Value'>𝕩</span></code>: Fold</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>
+⟨ 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>
+⟨ 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>
+⟨ 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>
+⟨ 1 ¯1 ¯4 ⟩
+</pre>
+<h2 id="---scan-with-initial"><a class="header" href="#---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>
+⟨ 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>
+⟨ 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>
+⟨ 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>
+⟨ 4 2 ¯1 ⟩
+</pre>