diff --git a/assets/icons.html b/assets/icons.html
index fee7e4e4..4fc26ba7 100644
--- a/assets/icons.html
+++ b/assets/icons.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <svg><defs>
   <g id="apps"><path d="M4,8h4V4H4V8z M10,20h4v-4h-4V20z M4,20h4v-4H4V20z M4,14h4v-4H4V14z M10,14h4v-4h-4V14z M16,4v4h4V4H16z M10,8h4V4h-4V8z M16,14h4v-4h-4V14z M16,20h4v-4h-4V20z"/></g>
   <g id="archive"><path d="M20.5,5.2l-1.4-1.7C18.9,3.2,18.5,3,18,3H6C5.5,3,5.1,3.2,4.8,3.5L3.5,5.2C3.2,5.6,3,6,3,6.5V19c0,1.1,0.9,2,2,2h14c1.1,0,2-0.9,2-2V6.5C21,6,20.8,5.6,20.5,5.2z M12,17.5L6.5,12H10v-2h4v2h3.5L12,17.5z M5.1,5l0.8-1h12l0.9,1H5.1z"/></g>
@@ -53,4 +62,4 @@
     menu: cloneIcon('#menu')
   };
 
-</script>
\ No newline at end of file
+</script>
diff --git a/build.bat b/build.bat
index a42dcce9..ae78c462 100644
--- a/build.bat
+++ b/build.bat
@@ -1,2 +1,2 @@
 START /B vulcanize polymer.html --inline -output dist/polymer.html
-START /B vulcanize data.html --inline -output dist/data.html
\ No newline at end of file
+START /B vulcanize data.html --inline -output dist/data.html
diff --git a/data.html b/data.html
index 988e420e..c7bd7264 100644
--- a/data.html
+++ b/data.html
@@ -1,4 +1,13 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <link rel="import" href="src/features/bind.html">
 <link rel="import" href="src/features/annotations-bind.html">
 <link rel="import" href="src/features/computed.html">
-<link rel="import" href="src/features/bind-effects.html">
\ No newline at end of file
+<link rel="import" href="src/features/bind-effects.html">
diff --git a/docs.html b/docs.html
index 33b4c399..0ee6815b 100644
--- a/docs.html
+++ b/docs.html
@@ -1,12 +1,12 @@
 <!doctype html>
 <!--
-    @license
-    Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
-    This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-    The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-    The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-    Code distributed by Google as part of the polymer project is also
-    subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 <html>
 <head>
@@ -14,7 +14,7 @@
   <title>x-doc-viewer</title>
 
   <script src="../perf-lib/perf.js"></script>
-  
+
   <link rel="import" href="../x-elements/x-doc-viewer/x-doc-viewer.html">
   <link rel="import" href="../assets/icons.html">
 
@@ -34,9 +34,9 @@
   <script>console.perf();</script>
 
   <x-doc-viewer flex sources='[
-    "src/features/bind.html", 
-    "src/features/published.html", 
-    "src/features/annotations.html", 
+    "src/features/bind.html",
+    "src/features/published.html",
+    "src/features/annotations.html",
     "../x-elements/x-doc-viewer/x-doc-viewer.html"
   ]'></x-doc-viewer>
 
diff --git a/explainer/samples.html b/explainer/samples.html
index 896118ce..af576e72 100644
--- a/explainer/samples.html
+++ b/explainer/samples.html
@@ -1,4 +1,13 @@
 <!doctype html>
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <html>
 <head>
 
@@ -21,20 +30,20 @@
 
   <script>
     Polymer({
-    
+
       name: 'x-custom',
-    
+
       published: {
         user: String
       },
-    
+
       created: function() {
         this.innerHTML = 'Hello World, my user is ' + (this.user || 'nobody') + '.';
       }
-    
+
     });
   </script>
-  
+
   <x-custom user="Scott"></x-custom>
 
 </body>
diff --git a/polymer.html b/polymer.html
index d0c91832..e42e3fbc 100644
--- a/polymer.html
+++ b/polymer.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <link rel="import" href="src/polymer.html">
 <link rel="import" href="src/features/log.html">
 <link rel="import" href="src/features/published.html">
@@ -16,7 +25,7 @@
 
   // TODO(sjmiles): hack
   Base.originalInitFeatures = Base.initFeatures;
-  
+
   Base.addFeature({
 
     initFeatures: function() {
diff --git a/src/base.html b/src/base.html
index e1c8a4d1..55657756 100644
--- a/src/base.html
+++ b/src/base.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   Base = {
diff --git a/src/features/annotations-bind.html b/src/features/annotations-bind.html
index 07cb048d..e8ab4fbf 100644
--- a/src/features/annotations-bind.html
+++ b/src/features/annotations-bind.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <link rel="import" href="annotations.html">
 
 <script>
@@ -5,22 +14,22 @@
   /*
    * Parses the annotations map created by `annotations` features to perform
    * declarative desugaring.
-   * 
+   *
    * Depends on `annotations` feature and `bind` feature.
-   * 
+   *
    * Two tasks are supported:
-   * 
-   * - nodes with 'id' are described in a virtual annotation map at 
+   *
+   * - nodes with 'id' are described in a virtual annotation map at
    *   registration time. This map is then concretized per instance.
-   * 
+   *
    * - Simple mustache expressions consisting of a single property name
    *   in a `textContent` context are bound using `bind` features
    *   `bindMethod`. In this mode, the bound method is constructed at
-   *   registration time, so marshaling is done done via the concretized 
+   *   registration time, so marshaling is done done via the concretized
    *   `_nodes` at every access.
-   *    
-   *   TODO(sjmiles): ph3ar general confusion between registration and 
-   *   instance time tasks. Is there a cleaner way to disambiguate? 
+   *
+   *   TODO(sjmiles): ph3ar general confusion between registration and
+   *   instance time tasks. Is there a cleaner way to disambiguate?
    */
   Base.addFeature({
 
@@ -34,13 +43,13 @@
 
     // construct binding meta-data at *registration* time
     _preprocessBindAnnotations: function(prototype, map) {
-      // create a virtual annotation map, must be concretized at instance time 
+      // create a virtual annotation map, must be concretized at instance time
       prototype._nodes = [];
       // process annotations that have been parsed from template
       map.forEach(function(annotation) {
-        // where to find the node in the concretized map 
+        // where to find the node in the concretized map
         var index = prototype._nodes.push(annotation) - 1;
-        // TODO(sjmiles): we need to support multi-bind, right now you only get 
+        // TODO(sjmiles): we need to support multi-bind, right now you only get
         // one (not including kind === `id`)
         annotation.bindings.forEach(function(binding) {
           prototype._bindAnnotationBinding(binding, index);
diff --git a/src/features/annotations-events.html b/src/features/annotations-events.html
index 78895fe3..9664cf83 100644
--- a/src/features/annotations-events.html
+++ b/src/features/annotations-events.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <link rel="import" href="annotations.html">
 
 <script>
@@ -5,14 +14,14 @@
   /*
    * Parses the annotations map created by `annotations` features to support
    * declarative events.
-   * 
+   *
    * Depends on `annotations` and `events` features.
-   * 
+   *
    */
   Base.addFeature({
 
     // instance-time
-    
+
     _setupAnnotatedListeners: function() {
       var map = this._template.map;
       if (map) {
diff --git a/src/features/annotations-nodes.html b/src/features/annotations-nodes.html
index 93deb795..91779dc7 100644
--- a/src/features/annotations-nodes.html
+++ b/src/features/annotations-nodes.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   // depends on `annotations` feature
@@ -33,4 +42,4 @@
 
   });
 
-</script>
\ No newline at end of file
+</script>
diff --git a/src/features/annotations.html b/src/features/annotations.html
index 419390cc..738b96a5 100644
--- a/src/features/annotations.html
+++ b/src/features/annotations.html
@@ -1,39 +1,48 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
 /**
- * Scans a template (once per prototype) to produce an annotation map that 
- * stores expression metadata and information to associate the metadata with 
+ * Scans a template (once per prototype) to produce an annotation map that
+ * stores expression metadata and information to associate the metadata with
  * nodes in an instance.
  *
  * Supported expressions include:
- * 
- * Double-mustache annotations in text content. The annotation must be the only 
+ *
+ * Double-mustache annotations in text content. The annotation must be the only
  * content in the tag, compound expressions are not supported.
- * 
- *     <[tag]>{{path.to.host.property}}<[tag]> 
- * 
+ *
+ *     <[tag]>{{path.to.host.property}}<[tag]>
+ *
  * Double-mustache annotations in an attribute.
- * 
- *     <[tag] someAttribute="{{path.to.host.property}}"><[tag]> 
- * 
- * Only immediate host properties can automatically trigger side-effects. 
+ *
+ *     <[tag] someAttribute="{{path.to.host.property}}"><[tag]>
+ *
+ * Only immediate host properties can automatically trigger side-effects.
  * Setting `host.path` in the example above triggers the binding, setting
  * `host.path.to.host.property` does not.
- * 
+ *
  * `on-` style event declarations.
- * 
- *     <[tag] on-<event-name>="{{hostMethodName}}"><[tag]> 
- * 
+ *
+ *     <[tag] on-<event-name>="{{hostMethodName}}"><[tag]>
+ *
  * Note that the `annotations` feature does not actually implement the behaviors
  * associated with these expressions, it only captures the data. Other
- * `annotations-*` features contain the actual implementations. 
- * 
- * @class feature: annotations 
+ * `annotations-*` features contain the actual implementations.
+ *
+ * @class feature: annotations
  */
 
-/* 
+/*
 
-Scans a template to produce an annotation map that stores expression metadata 
+Scans a template to produce an annotation map that stores expression metadata
 and information that associates the metadata to nodes in a template instance.
 
 Supported annotations are:
@@ -56,7 +65,7 @@ Generated data-structure:
       id: '<id>',
       events: [
         {
-          mode: ['auto'|''], 
+          mode: ['auto'|''],
           name: '<name>'
           value: '<expression>'
         }, ...
@@ -64,7 +73,7 @@ Generated data-structure:
       bindings: [
         {
           kind: ['text'|'attribute'|'property'],
-          mode: ['auto'|''], 
+          mode: ['auto'|''],
           name: '<name>'
           value: '<expression>'
         }, ...
@@ -73,13 +82,13 @@ Generated data-structure:
       parent: <reference to parent annotation>,
       index: <integer index in parent's childNodes collection>
     },
-    ...  
+    ...
   ]
 
-TODO(sjmiles): this module should produce either syntactic metadata 
+TODO(sjmiles): this module should produce either syntactic metadata
 (e.g. double-mustache, double-bracket, star-attr), or semantic metadata
 (e.g. manual-bind, auto-bind, property-bind). Right now it's half and half.
-   
+
 */
 
   Base.addFeature({
@@ -92,7 +101,7 @@ TODO(sjmiles): this module should produce either syntactic metadata
       }
       var parent = this.findAnnotatedNode(root, annote.parent);
       // enforce locality.
-      var nodes = (parent === this) ? parent.childNodes : 
+      var nodes = (parent === this) ? parent.childNodes :
         (parent.lightChildren || parent.childNodes);
       return nodes[annote.index];
     },
@@ -116,8 +125,8 @@ TODO(sjmiles): this module should produce either syntactic metadata
     },
 
     _parseNodeAnnotations: function(node, map) {
-      return node.nodeType === Node.TEXT_NODE ? 
-        this._parseTextNodeAnnotation(node, map) : 
+      return node.nodeType === Node.TEXT_NODE ?
+        this._parseTextNodeAnnotation(node, map) :
           this._parseElementAnnotations(node, map);
     },
 
@@ -170,16 +179,16 @@ TODO(sjmiles): this module should produce either syntactic metadata
         // id
         if (n === 'id') {
           annotation.id = v;
-        } 
+        }
         // on-* (event)
         else if (n.slice(0, 3) === 'on-') {
           i--;
           node.removeAttribute(n);
           annotation.events.push({
             name: n.slice(3),
-            value: v 
+            value: v
           });
-        } 
+        }
         // other attribute
         else {
           var b = this._parseNodeAttributeAnnotation(node, n, v);
@@ -223,4 +232,4 @@ TODO(sjmiles): this module should produce either syntactic metadata
 
   });
 
-</script>
\ No newline at end of file
+</script>
diff --git a/src/features/attributes.html b/src/features/attributes.html
index 2a4b1f0d..7c64f133 100644
--- a/src/features/attributes.html
+++ b/src/features/attributes.html
@@ -1,16 +1,25 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   /*
    * Support for `hostAttributes` property.
-   * 
-   * `hostAttributes` is a space separated string of attributes to 
+   *
+   * `hostAttributes` is a space separated string of attributes to
    * install on every instance.
-   * 
+   *
    * There is room for addition `attributes` features, namely:
-   * 
+   *
    * - potentially automatic handling of attributeChanged
    * - capturing initial configuration values from attributes
-   * 
+   *
    */
   Base.addFeature({
 
@@ -30,35 +39,35 @@
 
   /*
    * Support for `published` property.
-   * 
+   *
    * `published` object maps the names of attributes that the user
    * wants mapped as inputs to properties to the data-type of that property.
-   * 
+   *
    * This feature overwrites `attributeChanged` to support automatic
    * propagation of attribute values at run-time.
-   * 
-   * Static values in attributes at creation time can be captured by 
+   *
+   * Static values in attributes at creation time can be captured by
    * `takeAttributes`.
    *
    * Example:
-   * 
+   *
    * published: {
    *   // values set to index attribute are converted to Number and propagated
    *   // to index property
    *   index: Number,
    *   // values set to label attribute are propagated to index property
    *   label: String
-   * } 
-   * 
+   * }
+   *
    * Supported types:
-   * 
+   *
    * - Number
    * - Boolean
    * - String
    * - Object (JSON)
    * - Array (JSON)
    * - Date
-   * 
+   *
    */
   Base.addFeature({
 
@@ -82,16 +91,16 @@
 
     deserialize: function(name, value, type) {
       switch(type) {
-        case Number: 
+        case Number:
           value = Number(value);
           break;
 
-        case Boolean: 
+        case Boolean:
           value = this.hasAttribute(name);
           break;
 
-        case Object: 
-        case Array: 
+        case Object:
+        case Array:
           try {
             value = JSON.parse(value);
           } catch(x) {
@@ -99,7 +108,7 @@
           }
           break;
 
-        case Date: 
+        case Date:
           value = Date.parse(value);
           break;
 
@@ -112,4 +121,4 @@
 
   });
 
-</script>
\ No newline at end of file
+</script>
diff --git a/src/features/bind-effects.html b/src/features/bind-effects.html
index 92d235de..39b0bb4e 100644
--- a/src/features/bind-effects.html
+++ b/src/features/bind-effects.html
@@ -1,9 +1,18 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   Base.addFeature({
 
     // per instance
-    
+
     init: function() {
       this._data = Object.create(null);
     },
@@ -28,7 +37,7 @@
     _telemetry: {
       _setDataCalls: 0
     },
-    
+
     _setData: function(property, value) {
       // TODO(sjmiles): ad-hoc telemetry
       Base._telemetry._setDataCalls++;
@@ -40,7 +49,7 @@
     },
 
     // per prototype
-    
+
     register: function(prototype) {
       prototype._bindListeners = [];
       prototype._createBindings();
@@ -130,7 +139,7 @@
       // flow-down
       //
       //console.log('[_bindEffectBuilder]: [%s] %=% [%s].[%s]', hostProperty, id, property);
-      return 'this.$.' + id + '.' + property + ' = ' 
+      return 'this.$.' + id + '.' + property + ' = '
         + 'this._data.' + hostProperty + ';'
     },
 
@@ -139,7 +148,7 @@
     },
 
     _computeEffectBuilder: function(source, effect) {
-      return 'this.' + effect.property 
+      return 'this.' + effect.property
         + ' = this.' + effect.method + '(this._data.' + source + ');';
     },
 
@@ -155,10 +164,10 @@
       // flow-down
       //
       // construct the effect to occur when [property] changes:
-      // set nodes[index][name] to this[value]  
+      // set nodes[index][name] to this[value]
       //
       //console.log('[_annotationEffectBuilder]: [%s] %=% [%s].[%s]', info.value, info.index, property);
-      return 'this._nodes[' + info.index + '].' + property 
+      return 'this._nodes[' + info.index + '].' + property
           + ' = this._data.' + info.value + ';';
     },
 
@@ -172,7 +181,7 @@
     },
 
     _bindAnnotationProperty: function(name, path, index) {
-      return 'this._nodes[' + index + '].' + name 
+      return 'this._nodes[' + index + '].' + name
           + ' = this._data.' + path + ';';
     },
 
@@ -200,14 +209,14 @@
         // construct setter body
         var body  = '\tvar old = this._setData(\'' + property + '\', value);\n'
           + '\tif (value !== old) {\n'
-            + '\t\tthis.' + effector + '(old);\n' 
+            + '\t\tthis.' + effector + '(old);\n'
           + '\t}';
         var setter = new Function('value', body);
         // ReadOnly properties have a private setter only
         if (this.isReadOnlyProperty(property)) {
           this['_set_' + property] = setter;
         }
-        // other properties have a proper setter 
+        // other properties have a proper setter
         else {
           defun.set = setter;
         }
@@ -218,4 +227,4 @@
 
 });
 
-</script>
\ No newline at end of file
+</script>
diff --git a/src/features/bind.html b/src/features/bind.html
index e6ab43f8..9f503079 100644
--- a/src/features/bind.html
+++ b/src/features/bind.html
@@ -1,44 +1,53 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   /**
    * Needs new name.
-   * 
+   *
    * Support for the declarative property sugaring via a `bind` object
    * on the prototype.
-   * 
-   * Building applications by hand, a pattern emerges: operations such as
-   * data propagation need to trigger effects. For example, changes to data 
-   * need to be reflected into DOM, or trigger additional value computations.
-   * 
-   * This module provides an API for registering effects against properties.
-   * The effect data is consumed by the `bind-effects` module which compiles 
-   * the effects into efficient JavaScript that is triggered, e.g., when a 
-   * property is set to a new value.
-   * 
-   * Property effects can be created imperatively, by template-annotations 
-   * (e.g. mustache notation), or by declaration in the `bind` object.  
    *
-   * The bind object syntax is as follows: 
+   * Building applications by hand, a pattern emerges: operations such as
+   * data propagation need to trigger effects. For example, changes to data
+   * need to be reflected into DOM, or trigger additional value computations.
+   *
+   * This module provides an API for registering effects against properties.
+   * The effect data is consumed by the `bind-effects` module which compiles
+   * the effects into efficient JavaScript that is triggered, e.g., when a
+   * property is set to a new value.
+   *
+   * Property effects can be created imperatively, by template-annotations
+   * (e.g. mustache notation), or by declaration in the `bind` object.
+   *
+   * The bind object syntax is as follows:
    *
    * bind {
    *   // if `method` is the name of a method on the current object, the
    *   // method is invoked with the property changes. The method is provided
    *   // arguments as follows: `method(value, oldValue)`
    *   property: 'method'
-   * 
+   *
    *   // if the value is not the name of a method, it's assumed to be a
-   *   // id of an element in the `$` hash. Remember that when using a 
-   *   // template, `$` maps element ids to elements. By default, changes in 
+   *   // id of an element in the `$` hash. Remember that when using a
+   *   // template, `$` maps element ids to elements. By default, changes in
    *   // the named property are sent to the target element's `textContent`.
    *   // In this case, when `property2` changes, it's value is set to
    *   // `this.$.myId.textContent`.
    *   property2: 'myId'
-   * 
+   *
    *   // A target property other than `textContent` can be specified using
-   *   // dot notation. In this case, when `property3` changes, it's value is 
+   *   // dot notation. In this case, when `property3` changes, it's value is
    *   // set to `this.$.myId.value`.
    *   property3: 'myId.value'
-   * 
+   *
    *   // To have a property modification trigger multiple side effects, use
    *   // an array.
    *   property4: [
@@ -47,7 +56,7 @@
    *    'otherId.value'
    *   ]
    * }
-   * 
+   *
    * @class feature: bind
    */
   Base.addFeature({
@@ -59,21 +68,21 @@
     // but these things needs to happen before bind-effects itself initializes.
     // We need to factor bind-effects into before and after features instead
     // and let this feature be for dealing with `bind` object.
-    
+
     register: function(prototype) {
       prototype._addPropertyBindEffects();
     },
 
     // TODO(sjmiles): really ad hoc self-modifying code
     // to resolve initialization ordering around optional
-    // module 
+    // module
     addPropertyEffect: function(property, kind, effect) {
       // prepare storage on first invocation
       this._propertyEffects = {};
       // add the effect
       this._addPropertyEffect(property, kind, effect);
       // subsequent invocations skip preparation step implementation
-      this.addPropertyEffect = this._addPropertyEffect; 
+      this.addPropertyEffect = this._addPropertyEffect;
     },
 
     _addPropertyEffect: function(property, kind, effect) {
@@ -112,4 +121,4 @@
 
   });
 
-</script>
\ No newline at end of file
+</script>
diff --git a/src/features/computed.html b/src/features/computed.html
index 283b97df..10288928 100644
--- a/src/features/computed.html
+++ b/src/features/computed.html
@@ -1,5 +1,14 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
-  
+
   Base.addFeature({
 
     /* computed property feature */
@@ -36,4 +45,4 @@
 
   });
 
-</script>
\ No newline at end of file
+</script>
diff --git a/src/features/content.html b/src/features/content.html
index 7c9ba013..0f78d3a2 100644
--- a/src/features/content.html
+++ b/src/features/content.html
@@ -1,21 +1,30 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   Base.addFeature({
 
-    // TODO(sjmiles): ad-hoc signal for `ShadowDOM-lite-enhanced` nodes 
+    // TODO(sjmiles): ad-hoc signal for `ShadowDOM-lite-enhanced` nodes
     isHost: true,
 
     register: function(prototype) {
       var t = prototype._template;
       // TODO(sorvell): is qsa is wrong here due to distribution?
-      // TODO(sjmiles): No element should ever actually stamp a <content> node 
+      // TODO(sjmiles): No element should ever actually stamp a <content> node
       // into it's composed tree, so I believe this is actually correct.
-      // However, I wonder if it's more efficient to capture during annotation 
+      // However, I wonder if it's more efficient to capture during annotation
       // parsing, since the parse step does a tree walk in any case, and the
       // tree is smaller before element expansion.
       prototype._useContent = Boolean(t && t.content.querySelector('content'));
     },
-    
+
     poolContent: function() {
       // pool the light dom
       var pool = document.createDocumentFragment();
@@ -24,10 +33,10 @@
       }
       this.contentPool = pool;
       // capture lightChildren to help reify dom scoping
-      this.lightChildren = 
+      this.lightChildren =
         Array.prototype.slice.call(this.contentPool.childNodes, 0);
     },
-    
+
     distributeContent: function() {
       var content, pool = this.contentPool;
       // replace <content> with nodes teleported from pool
@@ -36,8 +45,8 @@
         var frag = pool;
         if (select) {
           frag = document.createDocumentFragment();
-          // TODO(sjmiles): diverges from ShadowDOM spec behavior: ShadowDOM 
-          // only selects top level nodes from pool. Iterate children and match 
+          // TODO(sjmiles): diverges from ShadowDOM spec behavior: ShadowDOM
+          // only selects top level nodes from pool. Iterate children and match
           // manually instead.
           var nodes = pool.querySelectorAll(select);
           for (var i=0, l=nodes.length; i<l; i++) {
@@ -48,7 +57,7 @@
         content.parentNode.replaceChild(frag, content);
       }
     }
-          
+
   });
-    
+
 </script>
diff --git a/src/features/events.html b/src/features/events.html
index 3fa84cbf..03932703 100644
--- a/src/features/events.html
+++ b/src/features/events.html
@@ -1,5 +1,14 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
-  
+
   Base.addFeature({
 
     listeners: {},
@@ -40,5 +49,5 @@
     }
 
   });
-  
+
 </script>
diff --git a/src/features/keys.html b/src/features/keys.html
index 0c84e9f3..a8bfec23 100644
--- a/src/features/keys.html
+++ b/src/features/keys.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   Base.addFeature({
@@ -27,5 +36,5 @@
     }
 
   });
-  
+
 </script>
diff --git a/src/features/layout.html b/src/features/layout.html
index 41155f47..abc2585c 100644
--- a/src/features/layout.html
+++ b/src/features/layout.html
@@ -1,4 +1,5 @@
 <!--
+@license
 Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
 This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
@@ -284,4 +285,4 @@ body[fullbleed] {
   border-radius: 5px 5px 5px 5px;
 }
 
-</style>
\ No newline at end of file
+</style>
diff --git a/src/features/log.html b/src/features/log.html
index 9d0b4718..05d8fcee 100644
--- a/src/features/log.html
+++ b/src/features/log.html
@@ -1,12 +1,21 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   Base.addFeature({
     log: function() {
-      var args = Array.prototype.slice.call(arguments, 0); 
+      var args = Array.prototype.slice.call(arguments, 0);
       args[0] = '[%s]: ' + args[0];
       args.splice(1, 0, this.localName);
       console.log.apply(console, args);
     }
   });
 
-</script>
\ No newline at end of file
+</script>
diff --git a/src/features/published.html b/src/features/published.html
index 0b4aee4d..ea3af3a9 100644
--- a/src/features/published.html
+++ b/src/features/published.html
@@ -1,44 +1,53 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   /**
-   * Define public property API. 
+   * Define public property API.
    *
    * published: {
    *   <property>: <Type || Object>,
    *   ...
-   * 
-   *   // `foo` property can be assigned via attribute, will be deserialized to 
-   *   // the specified data-type. All `published` properties have this behavior.  
+   *
+   *   // `foo` property can be assigned via attribute, will be deserialized to
+   *   // the specified data-type. All `published` properties have this behavior.
    *   foo: String,
    *
    *   // `bar` property has additional behavior specifiers.
    *   //   type: as above, type for (de-)serialization
    *   //   notify: true to send a signal when a value is set to this property
-   *   //   reflect: true to serialize the property to an attribute 
+   *   //   reflect: true to serialize the property to an attribute
    *   //   readOnly: if true, the property has no setter
    *   bar: {
    *     type: Boolean,
-   *     notify: true 
+   *     notify: true
    *   }
    * }
-   * 
-   * By itself the published feature doesn't do anything but provide property 
+   *
+   * By itself the published feature doesn't do anything but provide property
    * information. Other features use this information to control behavior.
-   * 
-   * The `type` information is used by the `attributes` feature to convert 
+   *
+   * The `type` information is used by the `attributes` feature to convert
    * String values in attributes to properties.
-   * 
+   *
    * The `bind-effects` feature uses property information to control property
    * access.
-   *  
-   * Marking a property as `notify` causes a change in the property to 
+   *
+   * Marking a property as `notify` causes a change in the property to
    * fire a non-bubbling event called `<property>-changed`. Elements that
-   * have enabled two-way binding to the property use this event to 
-   * observe changes.  
-   * 
+   * have enabled two-way binding to the property use this event to
+   * observe changes.
+   *
    * `readOnly` properties have a getter, but no setter. To set a read-only
    * property, use the private setter method `_set_<property>(value)`.
-   * 
+   *
    * @class feature: published
    */
   Base.addFeature({
@@ -58,12 +67,12 @@
         }
       }
     },
-    
+
     getPublishInfo: function(property) {
       var p = this.published[property];
       if (typeof(p) === 'function') {
         p = this.published[property] = {
-          type: p 
+          type: p
         };
       }
       return p || Base.nob;
@@ -87,4 +96,4 @@
 
   });
 
-</script>
\ No newline at end of file
+</script>
diff --git a/src/features/template.html b/src/features/template.html
index bd0ac6a9..3093ac3c 100644
--- a/src/features/template.html
+++ b/src/features/template.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   Base.addFeature({
diff --git a/src/features/utils.html b/src/features/utils.html
index 526c4e76..3aee34d4 100644
--- a/src/features/utils.html
+++ b/src/features/utils.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   Base.addFeature({
@@ -22,7 +31,7 @@
     attributeFollows: function(name, neo, old) {
       if (old) {
         old.removeAttribute(name);
-      } 
+      }
       if (neo) {
         neo.setAttribute(name, '');
       }
@@ -33,10 +42,10 @@
     },
 
     _queryHost: function(node) {
-      return node && 
+      return node &&
         (node.host || (node.host = this._queryHost(node.parentNode)));
     }
 
   });
 
-</script>
\ No newline at end of file
+</script>
diff --git a/src/lang.html b/src/lang.html
index 67b1f3d5..30fa79bc 100644
--- a/src/lang.html
+++ b/src/lang.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   // a tiny bit of sugar for `document.currentScript.ownerDocument`
@@ -10,7 +19,7 @@
       return (document._currentScript || document.currentScript).ownerDocument;
     }
   });
-  
+
   // copy own properties from 'api' to 'prototype, with name hinting for 'super'
   function extend(prototype, api) {
     if (prototype && api) {
@@ -38,5 +47,5 @@
     ESC_KEY: 27,
     ENTER_KEY: 13
   };
-  
-</script>
\ No newline at end of file
+
+</script>
diff --git a/src/more-features/bind-effects-object.html b/src/more-features/bind-effects-object.html
index e6da46e8..e1eabdc4 100644
--- a/src/more-features/bind-effects-object.html
+++ b/src/more-features/bind-effects-object.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
 (function() {
@@ -6,7 +15,7 @@
 
   Base.addFeature({
 
-    // TODO(sorvell): hax to automate path listener setup; figure out how to 
+    // TODO(sorvell): hax to automate path listener setup; figure out how to
     // integrate this better.
     _setupBindListeners: function() {
       originalSetupBindListeners.call(this);
@@ -27,7 +36,7 @@
         var model = modelForPath(info.path);
         var event;
         // determine if and what event we need to listen on
-        if (node._isPublishedObject && 
+        if (node._isPublishedObject &&
           node._isPublishedObject(info.property)) {
           event = info.property + EVENT_PROP_CHANGED;
         } else if (model !== info.path) {
@@ -51,7 +60,7 @@
     },
 
     /**
-      Notify that a property has changed. This method can be used to 
+      Notify that a property has changed. This method can be used to
       flow data through the system when a path in an Object valued property
       changes. For example:
 
@@ -64,10 +73,10 @@
     },
 
     // Force property side effects.
-    // 1. calls the _propertyEffector 
-    // 2. for bindings to Object valued properties, we need to cascade 
-    // recursively through dirty check prevention 
-    // (e.g. if foo.item = this.item is dirty checked away, we ensure 
+    // 1. calls the _propertyEffector
+    // 2. for bindings to Object valued properties, we need to cascade
+    // recursively through dirty check prevention
+    // (e.g. if foo.item = this.item is dirty checked away, we ensure
     // foo.item's side effects run)
     _forcePropertyEffect: function(property) {
       this['_' + property + 'Effector']();
diff --git a/src/more-features/extends.html b/src/more-features/extends.html
index 5a7a7401..cdad6a06 100644
--- a/src/more-features/extends.html
+++ b/src/more-features/extends.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
 (function() {
diff --git a/src/more-features/polymer-shadow.html b/src/more-features/polymer-shadow.html
index c91d80b7..e648ea2a 100644
--- a/src/more-features/polymer-shadow.html
+++ b/src/more-features/polymer-shadow.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <link rel="import" href="../polymer.html">
 <link rel="import" href="../features/template.html">
 
@@ -20,4 +29,4 @@
     }
     this.defaultFeatures();
   }
-</script>
\ No newline at end of file
+</script>
diff --git a/src/more-features/ready.html b/src/more-features/ready.html
index 3fb52080..0b895148 100644
--- a/src/more-features/ready.html
+++ b/src/more-features/ready.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
 (function() {
@@ -22,8 +31,8 @@
       originalAttachedCallback.call(this);
     },
 
-    // Checks if this element is inside another "readyable" element. If so, 
-    // then pushes this element into an array of `_needsReady` elements; if 
+    // Checks if this element is inside another "readyable" element. If so,
+    // then pushes this element into an array of `_needsReady` elements; if
     // not, starts the ready cascade.
     _checkReady: function() {
       if (!this._readied) {
@@ -75,7 +84,7 @@
 
     // user extension point.
     ready: function() {},
-    
+
     // overridden to allow recording of initial values
     _createBindings: function() {
       this._recordInitialValues();
@@ -104,7 +113,7 @@
     },
 
     /**
-      Ensures `property` has a value. If it does not, then the property is 
+      Ensures `property` has a value. If it does not, then the property is
       set to `defaultValue`.
     */
     setDefaultValue: function(property, defaultValue) {
diff --git a/src/more-features/shadow-layout.html b/src/more-features/shadow-layout.html
index 804a64d9..b5cda2a9 100644
--- a/src/more-features/shadow-layout.html
+++ b/src/more-features/shadow-layout.html
@@ -1,4 +1,5 @@
 <!--
+@license
 Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
 This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
@@ -283,4 +284,4 @@ html /deep/ [segment], html /deep/ segment {
   border-radius: 5px 5px 5px 5px;
 }
 
-</style>
\ No newline at end of file
+</style>
diff --git a/src/more-features/shadow-styler.html b/src/more-features/shadow-styler.html
index 46c4c742..344cd595 100644
--- a/src/more-features/shadow-styler.html
+++ b/src/more-features/shadow-styler.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
 /* Configures elemnent styles to stamped into ShadowDOM.
@@ -5,7 +14,7 @@
  NOTE: using this feature will currently change all templates to be configured
  to be styled for ShadowDOM.
 
- * If an element has a template, style is placed in the template and element 
+ * If an element has a template, style is placed in the template and element
    name is replaced with `:host`.
  * If an element does not have a template, style remains in place, but rules
    are prepended with `html /deep/`.
@@ -19,7 +28,7 @@
 
     register: function(prototype) {
       var template = prototype._template;
-      var hook = template || 
+      var hook = template ||
         (document._currentScript || document.currentScript);
       var styles = [];
       var prev = hook.previousElementSibling;
@@ -31,7 +40,7 @@
       if (!styles.length) {
         return;
       }
-      // use :host or /deep/ depending on if the element has a template and 
+      // use :host or /deep/ depending on if the element has a template and
       // therefore will have a shadowRoot.
       var selector = template ? ':host' : 'html /deep/ $&';
       this._processStyles(prototype._styles, prototype.name, selector);
@@ -39,7 +48,7 @@
         this.insertStyles(prototype._styles, template.content);
       }
     },
-    
+
     _processStyles: function(styles, name, selector) {
       var re = new RegExp(name, 'g');
       for (var i=0, l=styles.length, style; (i<l) && (style=styles[i]); i++) {
@@ -52,12 +61,12 @@
       for (var i=0, l=styles.length, style, n; (i<l) && (style=styles[i]); i++) {
         n = document.createElement('style');
         n.textContent = style.textContent;
-        ref = root.insertBefore(n, 
+        ref = root.insertBefore(n,
           ref.nextElementSibling);
       }
     }
-    
+
   });
 
 })();
-</script>
\ No newline at end of file
+</script>
diff --git a/src/more-features/shadow.html b/src/more-features/shadow.html
index 3017ead4..a1c658d2 100644
--- a/src/more-features/shadow.html
+++ b/src/more-features/shadow.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <script>
 
   Base.addFeature({
@@ -5,5 +14,5 @@
       this.root = this.createShadowRoot();
     }
   });
-  
-</script>
\ No newline at end of file
+
+</script>
diff --git a/src/polymer.html b/src/polymer.html
index 714f7c04..47b3df19 100644
--- a/src/polymer.html
+++ b/src/polymer.html
@@ -1,3 +1,12 @@
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 <link rel="import" href="lang.html">
 <link rel="import" href="base.html">
 
@@ -14,4 +23,4 @@
   Polymer.log = {
   };
 
-</script>
\ No newline at end of file
+</script>
