Put #rgb and #rrggbb in index, although the indexer confuses the former with rgb().

Author: dbaron

css3-color/Overview.html

@@ -850,11 +850,12 @@ <h4 id=rgb-color><span class=secno>4.2.1. </span>RGB color values</h4>
 
   <p> The format of an RGB value in hexadecimal notation is a &lsquo;<code
    class=css>#</code>&rsquo; immediately followed by either three or six
-   hexadecimal characters. The three-digit RGB notation (#rgb) is converted
-   into six-digit form (#rrggbb) by replicating digits, not by adding zeros.
-   For example, #fb0 expands to #ffbb00. This ensures that white (#ffffff)
-   can be specified with the short notation (#fff) and removes any
-   dependencies on the color depth of the display.
+   hexadecimal characters. The three-digit RGB notation (<span
+   class=index-def id=rgb>#rgb</span>) is converted into six-digit form
+   (<span class=index-def id=rrggbb>#rrggbb</span>) by replicating digits,
+   not by adding zeros. For example, #fb0 expands to #ffbb00. This ensures
+   that white (#ffffff) can be specified with the short notation (#fff) and
+   removes any dependencies on the color depth of the display.
 
   <p> The format of an RGB value in the functional notation is &lsquo;<code
    class=css>rgb(</code>&rsquo; followed by a comma-separated list of three
@@ -5589,7 +5590,8 @@ <h2 class=no-num id=index>Index</h2>
    <li>red, <a href="#red" title=red><strong>4.1.</strong></a>, <a
     href="#red0" title=red><strong>4.3.</strong></a>
 
-   <li>rgb(), <a href="#rgb-def" title="rgb()"><strong>4.2.1.</strong></a>
+   <li>#rgb, <a href="#rgb" title="#rgb"><strong>4.2.1.</strong></a>, <a
+    href="#rgb-def" title="rgb()"><strong>4.2.1.</strong></a>
 
    <li>rgba(), <a href="#rgba-def" title="rgba()"><strong>4.2.2.</strong></a>
 
@@ -5600,6 +5602,9 @@ <h2 class=no-num id=index>Index</h2>
    <li>royalblue, <a href="#royalblue"
     title=royalblue><strong>4.3.</strong></a>
 
+   <li>#rrggbb, <a href="#rrggbb" title="#rrggbb"><strong>4.2.1.</strong></a>
+    
+
    <li>saddlebrown, <a href="#saddlebrown"
     title=saddlebrown><strong>4.3.</strong></a>
 

css3-color/Overview.src.html

@@ -475,8 +475,8 @@ <h4 id="rgb-color">RGB color values</h4>
 
 <p> The format of an RGB value in hexadecimal notation is a '#'
 immediately followed by either three or six hexadecimal
-characters. The three-digit RGB notation (#rgb) is converted into
-six-digit form (#rrggbb) by replicating digits, not by adding
+characters. The three-digit RGB notation (<span class="index-def">#rgb</span>) is converted into
+six-digit form (<span class="index-def">#rrggbb</span>) by replicating digits, not by adding
 zeros. For example, #fb0 expands to #ffbb00. This ensures that
 white (#ffffff) can be specified with the short notation (#fff) and
 removes any dependencies on the color depth of the display.