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diff --git a/contexts/data/lib/closure-library/closure/goog/dom/pattern/tag.js b/contexts/data/lib/closure-library/closure/goog/dom/pattern/tag.js
deleted file mode 100644
index d04ccd3..0000000
--- a/contexts/data/lib/closure-library/closure/goog/dom/pattern/tag.js
+++ /dev/null
@@ -1,150 +0,0 @@
-// Copyright 2007 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview DOM pattern to match a tag.
- *
- * @author robbyw@google.com (Robby Walker)
- */
-
-goog.provide('goog.dom.pattern.Tag');
-
-goog.require('goog.dom.pattern');
-goog.require('goog.dom.pattern.AbstractPattern');
-goog.require('goog.dom.pattern.MatchType');
-goog.require('goog.object');
-
-
-
-/**
- * Pattern object that matches an tag.
- *
- * @param {string|RegExp} tag Name of the tag. Also will accept a regular
- * expression to match against the tag name.
- * @param {goog.dom.TagWalkType} type Type of token to match.
- * @param {Object=} opt_attrs Optional map of attribute names to desired values.
- * This pattern will only match when all attributes are present and match
- * the string or regular expression value provided here.
- * @param {Object=} opt_styles Optional map of CSS style names to desired
- * values. This pattern will only match when all styles are present and
- * match the string or regular expression value provided here.
- * @param {Function=} opt_test Optional function that takes the element as a
- * parameter and returns true if this pattern should match it.
- * @constructor
- * @extends {goog.dom.pattern.AbstractPattern}
- */
-goog.dom.pattern.Tag = function(tag, type, opt_attrs, opt_styles, opt_test) {
- if (goog.isString(tag)) {
- this.tag_ = tag.toUpperCase();
- } else {
- this.tag_ = tag;
- }
-
- this.type_ = type;
-
- this.attrs_ = opt_attrs || null;
- this.styles_ = opt_styles || null;
- this.test_ = opt_test || null;
-};
-goog.inherits(goog.dom.pattern.Tag, goog.dom.pattern.AbstractPattern);
-
-
-/**
- * The tag to match.
- *
- * @type {string|RegExp}
- * @private
- */
-goog.dom.pattern.Tag.prototype.tag_;
-
-
-/**
- * The type of token to match.
- *
- * @type {goog.dom.TagWalkType}
- * @private
- */
-goog.dom.pattern.Tag.prototype.type_;
-
-
-/**
- * The attributes to test for.
- *
- * @type {Object}
- * @private
- */
-goog.dom.pattern.Tag.prototype.attrs_ = null;
-
-
-/**
- * The styles to test for.
- *
- * @type {Object}
- * @private
- */
-goog.dom.pattern.Tag.prototype.styles_ = null;
-
-
-/**
- * Function that takes the element as a parameter and returns true if this
- * pattern should match it.
- *
- * @type {Function}
- * @private
- */
-goog.dom.pattern.Tag.prototype.test_ = null;
-
-
-/**
- * Test whether the given token is a tag token which matches the tag name,
- * style, and attributes provided in the constructor.
- *
- * @param {Node} token Token to match against.
- * @param {goog.dom.TagWalkType} type The type of token.
- * @return {goog.dom.pattern.MatchType} <code>MATCH</code> if the pattern
- * matches, <code>NO_MATCH</code> otherwise.
- * @override
- */
-goog.dom.pattern.Tag.prototype.matchToken = function(token, type) {
- // Check the direction and tag name.
- if (type == this.type_ &&
- goog.dom.pattern.matchStringOrRegex(this.tag_, token.nodeName)) {
- // Check the attributes.
- if (this.attrs_ &&
- !goog.object.every(
- this.attrs_,
- goog.dom.pattern.matchStringOrRegexMap,
- token)) {
- return goog.dom.pattern.MatchType.NO_MATCH;
- }
- // Check the styles.
- if (this.styles_ &&
- !goog.object.every(
- this.styles_,
- goog.dom.pattern.matchStringOrRegexMap,
- token.style)) {
- return goog.dom.pattern.MatchType.NO_MATCH;
- }
-
- if (this.test_ && !this.test_(token)) {
- return goog.dom.pattern.MatchType.NO_MATCH;
- }
-
- // If we reach this point, we have a match and should save it.
- this.matchedNode = token;
- return goog.dom.pattern.MatchType.MATCH;
- }
-
- return goog.dom.pattern.MatchType.NO_MATCH;
-};