Fixing dart:html links _not_ found in docs.json

tools/dom/templates/html/impl/impl_HTMLDocument.darttemplate

 // 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.
 
 // WARNING: Do not edit - generated code.
 
 part of $LIBRARYNAME;
 
 $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {
 $!MEMBERS
@@ skipping 94 matching lines @@
     _title = value;
   }
 
   /**
    * Returns page to standard layout.
    *
    * Has no effect if the page is not in fullscreen mode.
    *
    * ## Other resources
    *
-   * * [Using the fullscreen API]
-   * (http://docs.webplatform.org/wiki/tutorials/using_the_full-screen_api) from
-   * WebPlatform.org.
-   * * [Fullscreen specification]
-   * (http://www.w3.org/TR/fullscreen/) from W3C.
+   * * [Using the fullscreen
+   *   API](http://docs.webplatform.org/wiki/tutorials/using_the_full-screen_api)
+   *   from WebPlatform.org.
+   * * [Fullscreen specification](http://www.w3.org/TR/fullscreen/) from W3C.
    */
   @DomName('Document.webkitExitFullscreen')
   @SupportedBrowser(SupportedBrowser.CHROME)
   @SupportedBrowser(SupportedBrowser.SAFARI)
   @Experimental()
   void exitFullscreen() {
     _webkitExitFullscreen();
   }
 
   /**
    * Returns the element, if any, that is currently displayed in fullscreen.
    *
    * Returns null if there is currently no fullscreen element. You can use
    * this to determine if the page is in fullscreen mode.
    *
    *     myVideo = new VideoElement();
    *     if (document.fullscreenElement == null) {
    *       myVideo.requestFullscreen();
    *       print(document.fullscreenElement == myVideo); // true
    *     }
    *
    * ## Other resources
    *
-   * * [Using the fullscreen API]
-   * (http://docs.webplatform.org/wiki/tutorials/using_the_full-screen_api) from
-   * WebPlatform.org.
-   * * [Fullscreen specification]
-   * (http://www.w3.org/TR/fullscreen/) from W3C.
+   * * [Using the fullscreen
+   *   API](http://docs.webplatform.org/wiki/tutorials/using_the_full-screen_api)
+   *   from WebPlatform.org.
+   * * [Fullscreen specification](http://www.w3.org/TR/fullscreen/) from W3C.
    */
   @DomName('Document.webkitFullscreenElement')
   @SupportedBrowser(SupportedBrowser.CHROME)
   @SupportedBrowser(SupportedBrowser.SAFARI)
   @Experimental()
   Element get fullscreenElement => _webkitFullscreenElement;
 
   /**
    * Returns true if this document can display elements in fullscreen mode.
    *
    * ## Other resources
    *
-   * * [Using the fullscreen API]
-   * (http://docs.webplatform.org/wiki/tutorials/using_the_full-screen_api) from
-   * WebPlatform.org.
-   * * [Fullscreen specification]
-   * (http://www.w3.org/TR/fullscreen/) from W3C.
+   * * [Using the fullscreen
+   *   API](http://docs.webplatform.org/wiki/tutorials/using_the_full-screen_api)
+   *   from WebPlatform.org.
+   * * [Fullscreen specification](http://www.w3.org/TR/fullscreen/) from W3C.
    */
   @DomName('Document.webkitFullscreenEnabled')
   @SupportedBrowser(SupportedBrowser.CHROME)
   @SupportedBrowser(SupportedBrowser.SAFARI)
   @Experimental()
   bool get fullscreenEnabled => _webkitFullscreenEnabled;
 
   @DomName('Document.webkitHidden')
   @SupportedBrowser(SupportedBrowser.CHROME)
   @SupportedBrowser(SupportedBrowser.SAFARI)
@@ skipping 392 matching lines @@
   /// parameter must be provided.
   @Experimental()
   ElementUpgrader createElementUpgrader(Type type, {String extendsTag}) {
 $if DART2JS
     return new _JSElementUpgrader(this, type, extendsTag);
 $else
     return new _VMElementUpgrader(this, type, extendsTag);
 $endif
   }
 }