Factor out the anchor prefix to easily allow switching to #!

client/web/main.dart

 // Copyright (c) 2013, 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.
 
 library web.main;
 
 import 'dart:html';
 import 'package:dartdoc_viewer/item.dart';
 import 'package:dartdoc_viewer/read_yaml.dart';
 import 'package:polymer/polymer.dart';
@@ skipping 130 matching lines @@
     list.classes.remove("open");
   }
 
   var _buildIdentifier;
   @observable get buildIdentifier {
     if (_buildIdentifier != null) return _buildIdentifier;
 
     _buildIdentifier = ''; // Don't try twice.
     retrieveFileContents('docs/VERSION').then((version) {
       _buildIdentifier = notifyPropertyChange(#buildIdentifier,
-          _buildIdentifier, "r $version");
+          _buildIdentifier, version);
     }).catchError((_) => null);
     return '';
   }
 
   /// Collapse/expand the navbar when in mobile. Workaround for something
   /// that ought to happen magically with bootstrap, but fails in the
   /// presence of shadow DOM.
   void navHideShow(event, detail, target) {
     var nav = shadowRoot.querySelector("#nav-collapse-content");
     hideOrShowNavigation(hide: nav.classes.contains("in"), nav: nav);
@@ skipping 17 matching lines @@
     Element body = shadowRoot.querySelector(".main-body");
     var height = navbar.marginEdge.height;
     var positioning = navbar.getComputedStyle().position;
     if (positioning == "fixed") {
       body.style.paddingTop = height.toString() + "px";
     } else {
       body.style.removeProperty("padding-top");
     }
   }
 }