Several small extensions docs system fixes...

chrome/common/extensions/docs/template/api_template.html

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@@ skipping 22 matching lines @@
                     </span>
                   )
                 </div>
 
               </em>
           </dt>
           <dd class="todo" jsdisplay="!$this.description">
             Undocumented.
           </dd>
           <dd jsdisplay="$this.description"
-              jsvalues=".innerHTML:$this.description">
+              jsvalues=".innerHTML:substituteTypeRefs($this.description)">
             Description of this parameter from the json schema.
           </dd>
           <dd jsdisplay="$this.min_version">
             This parameter was added in version
             <b><span jscontent="$this.min_version"></span></b>.
             You must omit this parameter in earlier versions,
             and you may omit it in any version.  If you require this
             parameter, the manifest key
             <a href="manifest.html#minimum_chrome_version">minimum_chrome_version</a>
             can ensure that your extension won't be run in an earlier browser version.
@@ skipping 305 matching lines @@
                   <p jsdisplay="!$this.optional">
                     The callback <em>parameter</em> should specify a function
                     that looks like this:
                   </p>
                   <p jsdisplay="$this.optional">
                     If you specify the <em>callback</em> parameter, it should
                     specify a function that looks like this:
                   </p>
 
                   <!-- Note: intentionally longer 80 columns -->
-                  <pre>function(<span jscontent="getSignatureString(parameters)">Type param1, Type param2</span>) <span class="subdued">{...}</span>);</pre>
+                  <pre>function(<span jscontent="getSignatureString(parameters)">Type param1, Type param2</span>) <span class="subdued">{...}</span>;</pre>
                   <dl>
                     <div jsselect="parameters">
                       <div transclude="valueTemplate">
                       </div>
                     </div>
                   </dl>
                   </div>
                 </div>
 
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@@ skipping 98 matching lines @@
     _uanchor=1;
     _uff=0;
     urchinTracker();
   }
   catch(e) {/* urchinTracker not available. */}
 </script>
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