Display function signatures instead of just "Function".

client/lib/components/typedef.html

Index: client/lib/components/typedef.html
diff --git a/client/lib/components/typedef.html b/client/lib/components/typedef.html
index 5f13891b3d7eb9c539ed459c62420918a86854fb..7a79b8ac2b15331268fb9e9a83b6364d035aefbb 100644
--- a/client/lib/components/typedef.html
+++ b/client/lib/components/typedef.html
@@ -4,13 +4,17 @@
 
 <polymer-element name="dartdoc-typedef" attributes="item">
   <template>
-    <div class="page-header"><h1>{{item.name}} typedef</h1></div>
 
     <!-- Signature -->
     <div class="panel-heading">
       <dartdoc-annotation annotations="{{item.annotations}}">
       </dartdoc-annotation>
 
+      <div class="page-header">
+        <b><a id="{{idName}}" href="{{item.prefixedAnchorHref}}">
+          {{item.name}}</a></b>
+      </div>
+
       <p class="panel-title">typedef
         <a href="{{prefixedLocation}}">{{item.type.simpleType}}</a>
         {{item.name}}