Twenty Seventeen: Reintroduce HTML5 Shiv.
This reintroduces HTML5 Shiv script that was removed in [55980], to ensure backward compatibility for websites that opted-in to IE support. Also reintroduces HTML5 credits. Follow-up to [55980]. Props sabernhardt. See #56699. Built from https://develop.svn.wordpress.org/trunk@56149 git-svn-id: http://core.svn.wordpress.org/trunk@55661 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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// This theme does not support old versions of Microsoft Internet Explorer anymore.
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/**
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* @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
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*/
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;(function(window, document) {
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/*jshint evil:true */
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/** version */
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var version = '3.7.3';
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/** Preset options */
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var options = window.html5 || {};
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/** Used to skip problem elements */
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var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
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/** Not all elements can be cloned in IE **/
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var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
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/** Detect whether the browser supports default html5 styles */
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var supportsHtml5Styles;
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/** Name of the expando, to work with multiple documents or to re-shiv one document */
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var expando = '_html5shiv';
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/** The id for the the documents expando */
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var expanID = 0;
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/** Cached data for each document */
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var expandoData = {};
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/** Detect whether the browser supports unknown elements */
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var supportsUnknownElements;
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(function() {
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try {
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var a = document.createElement('a');
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a.innerHTML = '<xyz></xyz>';
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//if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
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supportsHtml5Styles = ('hidden' in a);
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supportsUnknownElements = a.childNodes.length == 1 || (function() {
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// assign a false positive if unable to shiv
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(document.createElement)('a');
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var frag = document.createDocumentFragment();
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return (
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typeof frag.cloneNode == 'undefined' ||
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typeof frag.createDocumentFragment == 'undefined' ||
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typeof frag.createElement == 'undefined'
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);
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}());
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} catch(e) {
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// assign a false positive if detection fails => unable to shiv
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supportsHtml5Styles = true;
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supportsUnknownElements = true;
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}
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}());
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/*--------------------------------------------------------------------------*/
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/**
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* Creates a style sheet with the given CSS text and adds it to the document.
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* @private
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* @param {Document} ownerDocument The document.
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* @param {String} cssText The CSS text.
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* @returns {StyleSheet} The style element.
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*/
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function addStyleSheet(ownerDocument, cssText) {
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var p = ownerDocument.createElement('p'),
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parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;
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p.innerHTML = 'x<style>' + cssText + '</style>';
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return parent.insertBefore(p.lastChild, parent.firstChild);
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}
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/**
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* Returns the value of `html5.elements` as an array.
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* @private
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* @returns {Array} An array of shived element node names.
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*/
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function getElements() {
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var elements = html5.elements;
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return typeof elements == 'string' ? elements.split(' ') : elements;
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}
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/**
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* Extends the built-in list of html5 elements
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* @memberOf html5
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* @param {String|Array} newElements whitespace separated list or array of new element names to shiv
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* @param {Document} ownerDocument The context document.
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*/
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function addElements(newElements, ownerDocument) {
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var elements = html5.elements;
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if(typeof elements != 'string'){
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elements = elements.join(' ');
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}
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if(typeof newElements != 'string'){
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newElements = newElements.join(' ');
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}
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html5.elements = elements +' '+ newElements;
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shivDocument(ownerDocument);
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}
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/**
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* Returns the data associated to the given document
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* @private
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* @param {Document} ownerDocument The document.
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* @returns {Object} An object of data.
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*/
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function getExpandoData(ownerDocument) {
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var data = expandoData[ownerDocument[expando]];
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if (!data) {
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data = {};
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expanID++;
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ownerDocument[expando] = expanID;
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expandoData[expanID] = data;
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}
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return data;
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}
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/**
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* returns a shived element for the given nodeName and document
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* @memberOf html5
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* @param {String} nodeName name of the element
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* @param {Document|DocumentFragment} ownerDocument The context document.
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* @returns {Object} The shived element.
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*/
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function createElement(nodeName, ownerDocument, data){
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if (!ownerDocument) {
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ownerDocument = document;
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}
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if(supportsUnknownElements){
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return ownerDocument.createElement(nodeName);
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}
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if (!data) {
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data = getExpandoData(ownerDocument);
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}
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var node;
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if (data.cache[nodeName]) {
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node = data.cache[nodeName].cloneNode();
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} else if (saveClones.test(nodeName)) {
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node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
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} else {
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node = data.createElem(nodeName);
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}
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// Avoid adding some elements to fragments in IE < 9 because
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// * Attributes like `name` or `type` cannot be set/changed once an element
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// is inserted into a document/fragment
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// * Link elements with `src` attributes that are inaccessible, as with
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// a 403 response, will cause the tab/window to crash
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// * Script elements appended to fragments will execute when their `src`
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// or `text` property is set
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return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
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}
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/**
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* returns a shived DocumentFragment for the given document
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* @memberOf html5
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* @param {Document} ownerDocument The context document.
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* @returns {Object} The shived DocumentFragment.
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*/
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function createDocumentFragment(ownerDocument, data){
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if (!ownerDocument) {
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ownerDocument = document;
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}
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if(supportsUnknownElements){
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return ownerDocument.createDocumentFragment();
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}
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data = data || getExpandoData(ownerDocument);
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var clone = data.frag.cloneNode(),
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i = 0,
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elems = getElements(),
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l = elems.length;
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for(;i<l;i++){
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clone.createElement(elems[i]);
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}
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return clone;
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}
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/**
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* Shivs the `createElement` and `createDocumentFragment` methods of the document.
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* @private
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* @param {Document|DocumentFragment} ownerDocument The document.
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* @param {Object} data of the document.
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*/
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function shivMethods(ownerDocument, data) {
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if (!data.cache) {
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data.cache = {};
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data.createElem = ownerDocument.createElement;
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data.createFrag = ownerDocument.createDocumentFragment;
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data.frag = data.createFrag();
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}
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ownerDocument.createElement = function(nodeName) {
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//abort shiv
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if (!html5.shivMethods) {
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return data.createElem(nodeName);
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}
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return createElement(nodeName, ownerDocument, data);
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};
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ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
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'var n=f.cloneNode(),c=n.createElement;' +
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'h.shivMethods&&(' +
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// unroll the `createElement` calls
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getElements().join().replace(/[\w\-:]+/g, function(nodeName) {
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data.createElem(nodeName);
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data.frag.createElement(nodeName);
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return 'c("' + nodeName + '")';
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}) +
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');return n}'
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)(html5, data.frag);
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}
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/*--------------------------------------------------------------------------*/
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/**
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* Shivs the given document.
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* @memberOf html5
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* @param {Document} ownerDocument The document to shiv.
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* @returns {Document} The shived document.
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*/
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function shivDocument(ownerDocument) {
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if (!ownerDocument) {
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ownerDocument = document;
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}
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var data = getExpandoData(ownerDocument);
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if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
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data.hasCSS = !!addStyleSheet(ownerDocument,
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// corrects block display not defined in IE6/7/8/9
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'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
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// adds styling not present in IE6/7/8/9
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'mark{background:#FF0;color:#000}' +
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// hides non-rendered elements
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'template{display:none}'
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);
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}
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if (!supportsUnknownElements) {
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shivMethods(ownerDocument, data);
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}
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return ownerDocument;
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}
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/*--------------------------------------------------------------------------*/
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/**
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* The `html5` object is exposed so that more elements can be shived and
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* existing shiving can be detected on iframes.
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* @type Object
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* @example
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*
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* // options can be changed before the script is included
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* html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
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*/
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var html5 = {
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/**
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* An array or space separated string of node names of the elements to shiv.
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* @memberOf html5
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* @type Array|String
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*/
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'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video',
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/**
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* current version of html5shiv
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*/
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'version': version,
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/**
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* A flag to indicate that the HTML5 style sheet should be inserted.
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* @memberOf html5
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* @type Boolean
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*/
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'shivCSS': (options.shivCSS !== false),
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/**
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* Is equal to true if a browser supports creating unknown/HTML5 elements
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* @memberOf html5
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* @type boolean
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*/
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'supportsUnknownElements': supportsUnknownElements,
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/**
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* A flag to indicate that the document's `createElement` and `createDocumentFragment`
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* methods should be overwritten.
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* @memberOf html5
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* @type Boolean
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*/
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'shivMethods': (options.shivMethods !== false),
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/**
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* A string to describe the type of `html5` object ("default" or "default print").
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* @memberOf html5
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* @type String
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*/
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'type': 'default',
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// shivs the document according to the specified `html5` object options
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'shivDocument': shivDocument,
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//creates a shived element
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createElement: createElement,
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//creates a shived documentFragment
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createDocumentFragment: createDocumentFragment,
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//extends list of elements
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addElements: addElements
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};
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/*--------------------------------------------------------------------------*/
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// expose html5
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window.html5 = html5;
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// shiv the document
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shivDocument(document);
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if(typeof module == 'object' && module.exports){
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module.exports = html5;
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}
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}(typeof window !== "undefined" ? window : this, document));
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@ -37,6 +37,10 @@ GNU General Public License for more details.
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Twenty Seventeen bundles the following third-party resources:
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HTML5 Shiv, Copyright 2014 Alexander Farkas
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Licenses: MIT/GPL2
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Source: https://github.com/aFarkas/html5shiv
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jQuery scrollTo, Copyright 2007-2015 Ariel Flesler
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License: MIT
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Source: https://github.com/flesler/jquery.scrollTo
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@ -16,7 +16,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '6.3-beta3-56148';
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$wp_version = '6.3-beta3-56149';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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