Handle (missing) trailing slash in dartdoc

utils/apidoc/apidoc.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * This generates the reference documentation for the core libraries that come
  * with dart. It is built on top of dartdoc, which is a general-purpose library
  * for generating docs from any Dart code. This library extends that to include
  * additional information and styling specific to our standard library.
  *
@@ skipping 46 matching lines @@
         } else if (arg.startsWith('--out=')) {
           outputDir = new Path.fromNative(arg.substring('--out='.length));
         } else {
           print('Unknown option: $arg');
           return;
         }
         break;
     }
   }
 
-  final libPath = doc.scriptDir.append('../../sdk/lib');
+  final libPath = doc.scriptDir.append('../../sdk/');
   final pkgPath = doc.scriptDir.append('../../pkg/');
 
   doc.cleanOutputDirectory(outputDir);
 
   // The basic dartdoc-provided static content.
   final copiedStatic = doc.copyDirectory(
       doc.scriptDir.append('../../sdk/lib/_internal/dartdoc/static'),
       outputDir);
 
   // The apidoc-specific static content.
@@ skipping 468 matching lines @@
     return new MdnComment(mdnMember['help'], mdnType['srcUrl']);
   }
 
   /**
    * Returns a link to [member], relative to a type page that may be in a
    * different library than [member].
    */
   String _linkMember(MemberMirror member) {
     final typeName = member.owner.simpleName;
     var memberName = '$typeName.${member.simpleName}';
-    if (member is MethodMirror && (member.isConstructor || member.isFactory)) {
+    if (member is MethodMirror && member.isConstructor) {
       final separator = member.constructorName == '' ? '' : '.';
       memberName = 'new $typeName$separator${member.constructorName}';
     }
 
     return a(memberUrl(member), memberName);
   }
 }
 
 class MdnComment implements doc.DocComment {
   final String mdnComment;
@@ skipping 11 matching lines @@
    return '''
         <div class="mdn">
         $mdnComment
         <div class="mdn-note"><a href="$mdnUrl">from MDN</a></div>
         </div>
         ''';
   }
 
   String toString() => mdnComment;
 }