Rearrange documentation index somewhat

1 files changed, 26 insertions, 8 deletions

diff --git a/docs/doc/index.html b/docs/doc/index.html
index c86ab0d3..deded4be 100644
--- a/docs/doc/index.html
+++ b/docs/doc/index.html
@@ -24,24 +24,42 @@
 </ul>
 <p>Concepts:</p>
 <ul>
+<li><a href="expression.html">Expression syntax</a>
+<ul>
 <li><a href="context.html">Context-free grammar</a></li>
-<li><a href="expression.html">Expression syntax</a></li>
-<li><a href="array.html">Arrays</a></li>
+</ul>
+</li>
+<li><a href="array.html">Arrays</a>
+<ul>
 <li><a href="based.html">Based array theory</a></li>
 <li><a href="arrayrepr.html">Array notation and display</a></li>
 <li><a href="indices.html">Array indices</a></li>
 <li><a href="fill.html">Fill elements</a></li>
 <li><a href="leading.html">The leading axis model</a></li>
-<li><a href="ops.html">Functions and modifiers</a></li>
-<li><a href="tacit.html">Tacit programming</a></li>
+</ul>
+</li>
+<li><a href="ops.html">Functions and modifiers</a>
+<ul>
+<li><a href="functional.html">Functional programming</a></li>
+</ul>
+</li>
+<li><a href="tacit.html">Tacit programming</a>
+<ul>
 <li><a href="train.html">Function trains</a></li>
-<li><a href="block.html">Blocks</a></li>
+</ul>
+</li>
+<li><a href="block.html">Blocks</a>
+<ul>
 <li><a href="lexical.html">Lexical scoping</a></li>
-<li><a href="functional.html">Functional programming</a></li>
 <li><a href="control.html">Control flow</a></li>
-<li><a href="namespace.html">Namespaces</a></li>
+</ul>
+</li>
+<li><a href="namespace.html">Namespaces</a>
+<ul>
 <li><a href="oop.html">Object-oriented programming</a></li>
 </ul>
+</li>
+</ul>
 <p>Primitives:</p>
 <ul>
 <li><a href="arithmetic.html">Arithmetic: <code><span class='Function'>+-×÷⋆√⌊⌈|≤&lt;&gt;≥=≠</span></code></a></li>
@@ -62,8 +80,8 @@
 <li><a href="replicate.html">Indices and Replicate: <code><span class='Function'>/</span></code></a></li>
 <li><a href="join.html">Join and Join To: <code><span class='Function'>∾</span></code></a></li>
 <li><a href="logic.html">Logical functions: <code><span class='Function'>∧∨¬</span></code></a></li>
-<li><a href="match.html">Match: <code><span class='Function'>≡≢</span></code></a></li>
 <li><a href="map.html">Mapping: <code><span class='Modifier'>¨⌜</span></code></a></li>
+<li><a href="match.html">Match: <code><span class='Function'>≡≢</span></code></a></li>
 <li><a href="order.html">Ordering functions: <code><span class='Function'>∧∨⍋⍒</span></code></a></li>
 <li><a href="pair.html">Pair: <code><span class='Function'>⋈</span></code></a></li>
 <li><a href="pick.html">Pick: <code><span class='Function'>⊑</span></code></a></li>