Split calc() into subsections.

Author: tabatkins

css3-values/Overview.html

@@ -284,6 +284,16 @@ <h2 class="no-num no-toc" id=contents>Table of contents</h2>
     <ul class=toc>
      <li><a href="#calc"><span class=secno>8.1. </span> Mathematical
       Expressions: &lsquo;<code class=css>calc()</code>&rsquo;</a>
+      <ul class=toc>
+       <li><a href="#calc-syntax"><span class=secno>8.1.1. </span> Syntax</a>
+        
+
+       <li><a href="#calc-type-checking"><span class=secno>8.1.2. </span>
+        Type Checking</a>
+
+       <li><a href="#calc-range"><span class=secno>8.1.3. </span> Range
+        Checking</a>
+      </ul>
 
      <li><a href="#cycle"><span class=secno>8.2. </span> Cycling Values:
       &lsquo;<code class=css>cycle()</code>&rsquo;</a>
@@ -1408,6 +1418,15 @@ <h3 id=calc><span class=secno>8.1. </span> Mathematical Expressions:
 </pre>
   </div>
 
+  <p> Given the complexities of width and height calculations on table cells
+   and table elements, math expressions involving percentages for widths and
+   heights on table columns, table column groups, table rows, table row
+   groups, and table cells in both auto and fixed layout tables MAY be
+   treated as if &lsquo;<code class=property>auto</code>&rsquo; had been
+   specified.
+
+  <h4 id=calc-syntax><span class=secno>8.1.1. </span> Syntax</h4>
+
   <p>The expression language of these functions is described by the grammar
    and prose below.
 
@@ -1436,6 +1455,18 @@ <h3 id=calc><span class=secno>8.1. </span> Mathematical Expressions:
   | STRING S* | IDENT S* | URI S* | hexcolor | function<ins> | math</ins>
   ;</pre>
 
+  <p> UAs must support &lsquo;<a href="#calc0"><code
+   class=css>calc()</code></a>&rsquo; expressions of at least 30 terms, where
+   each &lsquo;<a href="#number"><code class=css>number</code></a>&rsquo;,
+   &lsquo;<a href="#dimension"><code class=css>dimension</code></a>&rsquo;,
+   or &lsquo;<a href="#percentage"><code
+   class=css>percentage</code></a>&rsquo; is a term. If a &lsquo;<a
+   href="#calc0"><code class=css>calc()</code></a>&rsquo; expression contains
+   more than the supported number of terms, it must be treated as if it were
+   invalid.
+
+  <h4 id=calc-type-checking><span class=secno>8.1.2. </span> Type Checking</h4>
+
   <p>A math expression has a <dfn id=resolved-type>resolved type</dfn>, which
    is one of &lsquo;<code class=css>&lt;length></code>&rsquo;, &lsquo;<code
    class=css>&lt;frequency></code>&rsquo;, &lsquo;<code
@@ -1485,6 +1516,8 @@ <h3 id=calc><span class=secno>8.1. </span> Mathematical Expressions:
    to zero (as purely-numeric expressions can be evaluated without any
    additional information at parse time).
 
+  <h4 id=calc-range><span class=secno>8.1.3. </span> Range Checking</h4>
+
   <p>The value resulting from an expression must be clamped to the range
    allowed in the target context.
 
@@ -1501,23 +1534,6 @@ <h3 id=calc><span class=secno>8.1. </span> Mathematical Expressions:
 width: 0px;</pre>
   </div>
 
-  <p>Given the complexities of width and height calculations on table cells
-   and table elements, math expressions involving percentages for widths and
-   heights on table columns, table column groups, table rows, table row
-   groups, and table cells in both auto and fixed layout tables MAY be
-   treated as if &lsquo;<code class=property>auto</code>&rsquo; had been
-   specified.
-
-  <p>UAs must support &lsquo;<a href="#calc0"><code
-   class=css>calc()</code></a>&rsquo; expressions of at least 30 terms, where
-   each &lsquo;<a href="#number"><code class=css>number</code></a>&rsquo;,
-   &lsquo;<a href="#dimension"><code class=css>dimension</code></a>&rsquo;,
-   or &lsquo;<a href="#percentage"><code
-   class=css>percentage</code></a>&rsquo; is a term. If a &lsquo;<a
-   href="#calc0"><code class=css>calc()</code></a>&rsquo; expression contains
-   more than the supported number of terms, it must be treated as if it were
-   invalid.
-
   <h3 id=cycle><span class=secno>8.2. </span> Cycling Values: &lsquo;<a
    href="#cycle-value"><code class=css>cycle()</code></a>&rsquo;</h3>
 
@@ -2228,7 +2244,7 @@ <h2 class=no-num id=index>Index</h2>
     title="&lt;resolution>"><strong>6.4.</strong></a>
 
    <li>resolved type, <a href="#resolved-type"
-    title="resolved type"><strong>8.1.</strong></a>
+    title="resolved type"><strong>8.1.2.</strong></a>
 
    <li>s, <a href="#s" title=s><strong>6.2.</strong></a>
 

css3-values/Overview.src.html

@@ -949,6 +949,15 @@ <h3 id="calc">
 </pre>
 	</div>
 
+	<p>
+		Given the complexities of width and height calculations on table cells and table elements, 
+		math expressions involving percentages for widths and heights on 
+		table columns, table column groups, table rows, table row groups, and table cells 
+		in both auto and fixed layout tables 
+		MAY be treated as if 'auto' had been specified.
+
+<h4 id='calc-syntax'>
+Syntax</h4>
 
 	<p>The expression language of these functions is described by
 	the grammar and prose below.
@@ -976,6 +985,15 @@ <h3 id="calc">
   | STRING S* | IDENT S* | URI S* | hexcolor | function<ins> | math</ins>
   ;</pre>
 
+	<p>
+		UAs must support ''calc()'' expressions of at least 30 terms, 
+		where each ''number'', ''dimension'', or ''percentage'' is a term.  
+		If a ''calc()'' expression contains more than the supported number of terms, 
+		it must be treated as if it were invalid.
+
+<h4 id='calc-type-checking'>
+Type Checking</h4>
+
 	<p>A math expression has a <dfn>resolved type</dfn>, which is one of
 	''&lt;length>'', ''&lt;frequency>'', ''&lt;angle>'', ''&lt;time>'', or
 	''&lt;number>''.  The <i>resolved type</i> must be valid for where the 
@@ -1013,6 +1031,9 @@ <h3 id="calc">
 	(as purely-numeric expressions can be evaluated without any additional 
 	information at parse time).</p>
 
+<h4 id='calc-range'>
+Range Checking</h4>
+
 	<p>The value resulting from an expression must be clamped to the
 	range allowed in the target context.  
 
@@ -1028,14 +1049,6 @@ <h3 id="calc">
 width: 0px;</pre>
 	</div>
 
-	<p>Given the complexities of width and height calculations on table cells 
-	and table elements, math expressions involving percentages for widths and 
-	heights on table columns, table column groups, table rows, table row groups, 
-	and table cells in both auto and fixed layout tables MAY be treated as if
-	'auto' had been specified.</p>
-
-	<p>UAs must support ''calc()'' expressions of at least 30 terms, where each ''number'', ''dimension'', or ''percentage'' is a term.  If a ''calc()'' expression contains more than the supported number of terms, it must be treated as if it were invalid.</p>
-
 <h3 id="cycle">
 Cycling Values: ''cycle()''</h3>