Fixing dart:html links _not_ found in docs.json

tools/dom/templates/html/impl/impl_Element.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.
 
 part of $LIBRARYNAME;
 
 class _ChildrenElementList extends ListBase<Element>
     implements NodeListWrapper {
   // Raw Element.
   final Element _element;
@@ skipping 648 matching lines @@
    * For example, HTML specified as:
    *
    *     <div data-my-random-value='value'></div>
    *
    * Would be accessed in Dart as:
    *
    *     var value = element.dataset['myRandomValue'];
    *
    * See also:
    *
-   * * [Custom data attributes](http://www.w3.org/TR/html5/global-attributes.html#custom-data-attribute)
+   * * [Custom data
+   *   attributes](http://dev.w3.org/html5/spec-preview/global-attributes.html#custom-data-attribute)
    */
   Map<String, String> get dataset =>
     new _DataAttributeMap(attributes);
 
   set dataset(Map<String, String> value) {
     final data = this.dataset;
     data.clear();
     for (String key in value.keys) {
       data[key] = value[key];
     }
@@ skipping 205 matching lines @@
   String get localName => _localName;
 $endif
 
   /**
    * A URI that identifies the XML namespace of this element.
    *
    * `null` if no namespace URI is specified.
    *
    * ## Other resources
    *
-   * * [Node.namespaceURI]
-   * (http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-NodeNSname) from W3C.
+   * * [Node.namespaceURI](http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-NodeNSname)
+   *   from W3C.
    */
   @DomName('Element.namespaceUri')
   String get namespaceUri => _namespaceUri;
 
   /**
    * The string representation of this element.
    *
    * This is equivalent to reading the [localName] property.
    */
   String toString() => localName;
@@ skipping 208 matching lines @@
     } while(elem != null);
     return false;
   }
 
 $if DART2JS
   /**
    * Creates a new shadow root for this shadow host.
    *
    * ## Other resources
    *
-   * * [Shadow DOM 101]
-   * (http://www.html5rocks.com/en/tutorials/webcomponents/shadowdom/)
-   * from HTML5Rocks.
-   * * [Shadow DOM specification]
-   * (http://www.w3.org/TR/shadow-dom/) from W3C.
+   * * [Shadow DOM 101](http://www.html5rocks.com/en/tutorials/webcomponents/shadowdom/)
+   *   from HTML5Rocks.
+   * * [Shadow DOM specification](http://www.w3.org/TR/shadow-dom/) from W3C.
    */
   @DomName('Element.createShadowRoot')
   @SupportedBrowser(SupportedBrowser.CHROME, '25')
   @Experimental()
   ShadowRoot createShadowRoot() {
     return JS('ShadowRoot',
       '(#.createShadowRoot || #.webkitCreateShadowRoot).call(#)',
       this, this, this);
   }
 
   /**
    * The shadow root of this shadow host.
    *
    * ## Other resources
    *
-   * * [Shadow DOM 101]
-   * (http://www.html5rocks.com/en/tutorials/webcomponents/shadowdom/)
-   * from HTML5Rocks.
-   * * [Shadow DOM specification]
-   * (http://www.w3.org/TR/shadow-dom/) from W3C.
+   * * [Shadow DOM 101](http://www.html5rocks.com/en/tutorials/webcomponents/shadowdom/)
+   *   from HTML5Rocks.
+   * * [Shadow DOM specification](http://www.w3.org/TR/shadow-dom/)
+   *   from W3C.
    */
   @DomName('Element.shadowRoot')
   @SupportedBrowser(SupportedBrowser.CHROME, '25')
   @Experimental()
   ShadowRoot get shadowRoot =>
       JS('ShadowRoot|Null', '#.shadowRoot || #.webkitShadowRoot', this, this);
 $endif
 
   /**
    * Access this element's content position.
@@ skipping 580 matching lines @@
   const ScrollAlignment._internal(this._value);
   toString() => 'ScrollAlignment.$_value';
 
   /// Attempt to align the element to the top of the scrollable area.
   static const TOP = const ScrollAlignment._internal('TOP');
   /// Attempt to center the element in the scrollable area.
   static const CENTER = const ScrollAlignment._internal('CENTER');
   /// Attempt to align the element to the bottom of the scrollable area.
   static const BOTTOM = const ScrollAlignment._internal('BOTTOM');
 }