Make 'extendedhinttags' a regexmap.

--HG--
extra : rebase_source : 1058b785925fd37bd73019b36da91e551e0f9206

common/locale/en-US/hints.xml

@@ -116,17 +116,11 @@
             <li tag=";I"><em>I</em> to open an image in a new tab.</li>
         </ul>
 
-        <!-- TODO: These are completely arbitrary and need to be
-           - changed before release. Hopefully they will be...
-           -->
         <p>
             Of the previous modes, the value of the <o>hinttags</o>
-            option is used to choose the highlighted elements for
-            the modes, <k>;;</k>, <k>;?</k>, <k>;w</k>, <k>;v</k>,
-            <k>;V</k>, <k>;Y</k> and <k>;c</k>. The value of
-            <o>extendedhinttags</o> is used to choose the elements
-            for, <k>;s</k>, <k>;a</k>, <k>;o</k>, <k>;t</k>,
-            <k>;b</k>, <k>;O</k>, <k>;T</k>, <k>;W</k>, <k>;y</k>,
+            option is used to choose the highlighted elements,
+            unless an override can be found in
+            <o>extendedhinttags</o>.
         </p>
     </description>
 </item>

common/locale/en-US/options.xml

@@ -51,10 +51,11 @@
     <dd>
         A comma-separated list of regular expressions. Expressions may be
         prefixed with a <em>!</em>, in which case the match will be negated. A
-        literal <em>!</em> at the begining of the expression may be matched with
-        <em>[!]</em>.  Generally, the first matching regular expression is
-        used. Any comma appearing within single or double quotes, or prefixed
-        with a <em>\</em>, will not be treated as an item separator.
+        literal <em>!</em> at the begining of the expression may be matched
+        with <em>[!]</em> or by placing the regular expression in quotes.
+        Generally, the first matching regular expression is used. Any comma
+        appearing within single or double quotes, or prefixed with a
+        <em>\</em>, will not be treated as an item separator.
     </dd>
 
     <dt/><dd tag="regexmap"/>
@@ -559,10 +560,14 @@
     <tags>'eht' 'extendedhinttags'</tags>
     <spec>'extendedhinttags' 'eht'</spec>
     <strut/>
-    <type>string</type>
-    <default>&hinttags;</default>
+    <type>regexmap</type>
+    <default>[iI]:'//img | //xhtml:img'</default>
     <description>
-        <p>The XPath string of hintable elements activated by <k>;</k>.</p>
+        <p>
+            Defines specialized XPath expressions for arbitrary
+            <t>extended-hints</t> modes. If no matches are found, the value of
+            <o>hinttags</o> is used.
+        </p>
     </description>
 </item>
 
@@ -756,7 +761,12 @@
     <type>string</type>
     <default>&hinttags;</default>
     <description>
-        <p>XPath string of hintable elements activated by <k>f</k> and <k>F</k></p>
+        <p>
+            The XPath string used to select for
+            <link topic="hints">hinting</link>. Can be overridden for
+            individual <t>extended-hints</t> modes with the
+            <o>extendedhinttags</o> option.
+        </p>
     </description>
 </item>