diff -r fd8fb93e1b6a -r a361355b55c7 src/pyams_skin/resources/js/ext/tinymce/dev/classes/html/DomParser.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/tinymce/dev/classes/html/DomParser.js	Wed Jun 17 10:00:10 2015 +0200
@@ -0,0 +1,804 @@
+/**
+ * DomParser.js
+ *
+ * Copyright, Moxiecode Systems AB
+ * Released under LGPL License.
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/**
+ * This class parses HTML code into a DOM like structure of nodes it will remove redundant whitespace and make
+ * sure that the node tree is valid according to the specified schema.
+ * So for example: <p>a<p>b</p>c</p> will become <p>a</p><p>b</p><p>c</p>
+ *
+ * @example
+ * var parser = new tinymce.html.DomParser({validate: true}, schema);
+ * var rootNode = parser.parse('<h1>content</h1>');
+ *
+ * @class tinymce.html.DomParser
+ * @version 3.4
+ */
+define("tinymce/html/DomParser", [
+	"tinymce/html/Node",
+	"tinymce/html/Schema",
+	"tinymce/html/SaxParser",
+	"tinymce/util/Tools"
+], function(Node, Schema, SaxParser, Tools) {
+	var makeMap = Tools.makeMap, each = Tools.each, explode = Tools.explode, extend = Tools.extend;
+
+	/**
+	 * Constructs a new DomParser instance.
+	 *
+	 * @constructor
+	 * @method DomParser
+	 * @param {Object} settings Name/value collection of settings. comment, cdata, text, start and end are callbacks.
+	 * @param {tinymce.html.Schema} schema HTML Schema class to use when parsing.
+	 */
+	return function(settings, schema) {
+		var self = this, nodeFilters = {}, attributeFilters = [], matchedNodes = {}, matchedAttributes = {};
+
+		settings = settings || {};
+		settings.validate = "validate" in settings ? settings.validate : true;
+		settings.root_name = settings.root_name || 'body';
+		self.schema = schema = schema || new Schema();
+
+		function fixInvalidChildren(nodes) {
+			var ni, node, parent, parents, newParent, currentNode, tempNode, childNode, i;
+			var nonEmptyElements, nonSplitableElements, textBlockElements, sibling, nextNode;
+
+			nonSplitableElements = makeMap('tr,td,th,tbody,thead,tfoot,table');
+			nonEmptyElements = schema.getNonEmptyElements();
+			textBlockElements = schema.getTextBlockElements();
+
+			for (ni = 0; ni < nodes.length; ni++) {
+				node = nodes[ni];
+
+				// Already removed or fixed
+				if (!node.parent || node.fixed) {
+					continue;
+				}
+
+				// If the invalid element is a text block and the text block is within a parent LI element
+				// Then unwrap the first text block and convert other sibling text blocks to LI elements similar to Word/Open Office
+				if (textBlockElements[node.name] && node.parent.name == 'li') {
+					// Move sibling text blocks after LI element
+					sibling = node.next;
+					while (sibling) {
+						if (textBlockElements[sibling.name]) {
+							sibling.name = 'li';
+							sibling.fixed = true;
+							node.parent.insert(sibling, node.parent);
+						} else {
+							break;
+						}
+
+						sibling = sibling.next;
+					}
+
+					// Unwrap current text block
+					node.unwrap(node);
+					continue;
+				}
+
+				// Get list of all parent nodes until we find a valid parent to stick the child into
+				parents = [node];
+				for (parent = node.parent; parent && !schema.isValidChild(parent.name, node.name) &&
+					!nonSplitableElements[parent.name]; parent = parent.parent) {
+					parents.push(parent);
+				}
+
+				// Found a suitable parent
+				if (parent && parents.length > 1) {
+					// Reverse the array since it makes looping easier
+					parents.reverse();
+
+					// Clone the related parent and insert that after the moved node
+					newParent = currentNode = self.filterNode(parents[0].clone());
+
+					// Start cloning and moving children on the left side of the target node
+					for (i = 0; i < parents.length - 1; i++) {
+						if (schema.isValidChild(currentNode.name, parents[i].name)) {
+							tempNode = self.filterNode(parents[i].clone());
+							currentNode.append(tempNode);
+						} else {
+							tempNode = currentNode;
+						}
+
+						for (childNode = parents[i].firstChild; childNode && childNode != parents[i + 1];) {
+							nextNode = childNode.next;
+							tempNode.append(childNode);
+							childNode = nextNode;
+						}
+
+						currentNode = tempNode;
+					}
+
+					if (!newParent.isEmpty(nonEmptyElements)) {
+						parent.insert(newParent, parents[0], true);
+						parent.insert(node, newParent);
+					} else {
+						parent.insert(node, parents[0], true);
+					}
+
+					// Check if the element is empty by looking through it's contents and special treatment for <p><br /></p>
+					parent = parents[0];
+					if (parent.isEmpty(nonEmptyElements) || parent.firstChild === parent.lastChild && parent.firstChild.name === 'br') {
+						parent.empty().remove();
+					}
+				} else if (node.parent) {
+					// If it's an LI try to find a UL/OL for it or wrap it
+					if (node.name === 'li') {
+						sibling = node.prev;
+						if (sibling && (sibling.name === 'ul' || sibling.name === 'ul')) {
+							sibling.append(node);
+							continue;
+						}
+
+						sibling = node.next;
+						if (sibling && (sibling.name === 'ul' || sibling.name === 'ul')) {
+							sibling.insert(node, sibling.firstChild, true);
+							continue;
+						}
+
+						node.wrap(self.filterNode(new Node('ul', 1)));
+						continue;
+					}
+
+					// Try wrapping the element in a DIV
+					if (schema.isValidChild(node.parent.name, 'div') && schema.isValidChild('div', node.name)) {
+						node.wrap(self.filterNode(new Node('div', 1)));
+					} else {
+						// We failed wrapping it, then remove or unwrap it
+						if (node.name === 'style' || node.name === 'script') {
+							node.empty().remove();
+						} else {
+							node.unwrap();
+						}
+					}
+				}
+			}
+		}
+
+		/**
+		 * Runs the specified node though the element and attributes filters.
+		 *
+		 * @method filterNode
+		 * @param {tinymce.html.Node} Node the node to run filters on.
+		 * @return {tinymce.html.Node} The passed in node.
+		 */
+		self.filterNode = function(node) {
+			var i, name, list;
+
+			// Run element filters
+			if (name in nodeFilters) {
+				list = matchedNodes[name];
+
+				if (list) {
+					list.push(node);
+				} else {
+					matchedNodes[name] = [node];
+				}
+			}
+
+			// Run attribute filters
+			i = attributeFilters.length;
+			while (i--) {
+				name = attributeFilters[i].name;
+
+				if (name in node.attributes.map) {
+					list = matchedAttributes[name];
+
+					if (list) {
+						list.push(node);
+					} else {
+						matchedAttributes[name] = [node];
+					}
+				}
+			}
+
+			return node;
+		};
+
+		/**
+		 * Adds a node filter function to the parser, the parser will collect the specified nodes by name
+		 * and then execute the callback ones it has finished parsing the document.
+		 *
+		 * @example
+		 * parser.addNodeFilter('p,h1', function(nodes, name) {
+		 *		for (var i = 0; i < nodes.length; i++) {
+		 *			console.log(nodes[i].name);
+		 *		}
+		 * });
+		 * @method addNodeFilter
+		 * @method {String} name Comma separated list of nodes to collect.
+		 * @param {function} callback Callback function to execute once it has collected nodes.
+		 */
+		self.addNodeFilter = function(name, callback) {
+			each(explode(name), function(name) {
+				var list = nodeFilters[name];
+
+				if (!list) {
+					nodeFilters[name] = list = [];
+				}
+
+				list.push(callback);
+			});
+		};
+
+		/**
+		 * Adds a attribute filter function to the parser, the parser will collect nodes that has the specified attributes
+		 * and then execute the callback ones it has finished parsing the document.
+		 *
+		 * @example
+		 * parser.addAttributeFilter('src,href', function(nodes, name) {
+		 *		for (var i = 0; i < nodes.length; i++) {
+		 *			console.log(nodes[i].name);
+		 *		}
+		 * });
+		 * @method addAttributeFilter
+		 * @method {String} name Comma separated list of nodes to collect.
+		 * @param {function} callback Callback function to execute once it has collected nodes.
+		 */
+		self.addAttributeFilter = function(name, callback) {
+			each(explode(name), function(name) {
+				var i;
+
+				for (i = 0; i < attributeFilters.length; i++) {
+					if (attributeFilters[i].name === name) {
+						attributeFilters[i].callbacks.push(callback);
+						return;
+					}
+				}
+
+				attributeFilters.push({name: name, callbacks: [callback]});
+			});
+		};
+
+		/**
+		 * Parses the specified HTML string into a DOM like node tree and returns the result.
+		 *
+		 * @example
+		 * var rootNode = new DomParser({...}).parse('<b>text</b>');
+		 * @method parse
+		 * @param {String} html Html string to sax parse.
+		 * @param {Object} args Optional args object that gets passed to all filter functions.
+		 * @return {tinymce.html.Node} Root node containing the tree.
+		 */
+		self.parse = function(html, args) {
+			var parser, rootNode, node, nodes, i, l, fi, fl, list, name, validate;
+			var blockElements, startWhiteSpaceRegExp, invalidChildren = [], isInWhiteSpacePreservedElement;
+			var endWhiteSpaceRegExp, allWhiteSpaceRegExp, isAllWhiteSpaceRegExp, whiteSpaceElements;
+			var children, nonEmptyElements, rootBlockName;
+
+			args = args || {};
+			matchedNodes = {};
+			matchedAttributes = {};
+			blockElements = extend(makeMap('script,style,head,html,body,title,meta,param'), schema.getBlockElements());
+			nonEmptyElements = schema.getNonEmptyElements();
+			children = schema.children;
+			validate = settings.validate;
+			rootBlockName = "forced_root_block" in args ? args.forced_root_block : settings.forced_root_block;
+
+			whiteSpaceElements = schema.getWhiteSpaceElements();
+			startWhiteSpaceRegExp = /^[ \t\r\n]+/;
+			endWhiteSpaceRegExp = /[ \t\r\n]+$/;
+			allWhiteSpaceRegExp = /[ \t\r\n]+/g;
+			isAllWhiteSpaceRegExp = /^[ \t\r\n]+$/;
+
+			function addRootBlocks() {
+				var node = rootNode.firstChild, next, rootBlockNode;
+
+				// Removes whitespace at beginning and end of block so:
+				// <p> x </p> -> <p>x</p>
+				function trim(rootBlockNode) {
+					if (rootBlockNode) {
+						node = rootBlockNode.firstChild;
+						if (node && node.type == 3) {
+							node.value = node.value.replace(startWhiteSpaceRegExp, '');
+						}
+
+						node = rootBlockNode.lastChild;
+						if (node && node.type == 3) {
+							node.value = node.value.replace(endWhiteSpaceRegExp, '');
+						}
+					}
+				}
+
+				// Check if rootBlock is valid within rootNode for example if P is valid in H1 if H1 is the contentEditabe root
+				if (!schema.isValidChild(rootNode.name, rootBlockName.toLowerCase())) {
+					return;
+				}
+
+				while (node) {
+					next = node.next;
+
+					if (node.type == 3 || (node.type == 1 && node.name !== 'p' &&
+						!blockElements[node.name] && !node.attr('data-mce-type'))) {
+						if (!rootBlockNode) {
+							// Create a new root block element
+							rootBlockNode = createNode(rootBlockName, 1);
+							rootBlockNode.attr(settings.forced_root_block_attrs);
+							rootNode.insert(rootBlockNode, node);
+							rootBlockNode.append(node);
+						} else {
+							rootBlockNode.append(node);
+						}
+					} else {
+						trim(rootBlockNode);
+						rootBlockNode = null;
+					}
+
+					node = next;
+				}
+
+				trim(rootBlockNode);
+			}
+
+			function createNode(name, type) {
+				var node = new Node(name, type), list;
+
+				if (name in nodeFilters) {
+					list = matchedNodes[name];
+
+					if (list) {
+						list.push(node);
+					} else {
+						matchedNodes[name] = [node];
+					}
+				}
+
+				return node;
+			}
+
+			function removeWhitespaceBefore(node) {
+				var textNode, textVal, sibling;
+
+				for (textNode = node.prev; textNode && textNode.type === 3;) {
+					textVal = textNode.value.replace(endWhiteSpaceRegExp, '');
+
+					if (textVal.length > 0) {
+						textNode.value = textVal;
+						textNode = textNode.prev;
+					} else {
+						sibling = textNode.prev;
+						textNode.remove();
+						textNode = sibling;
+					}
+				}
+			}
+
+			function cloneAndExcludeBlocks(input) {
+				var name, output = {};
+
+				for (name in input) {
+					if (name !== 'li' && name != 'p') {
+						output[name] = input[name];
+					}
+				}
+
+				return output;
+			}
+
+			parser = new SaxParser({
+				validate: validate,
+				allow_script_urls: settings.allow_script_urls,
+				allow_conditional_comments: settings.allow_conditional_comments,
+
+				// Exclude P and LI from DOM parsing since it's treated better by the DOM parser
+				self_closing_elements: cloneAndExcludeBlocks(schema.getSelfClosingElements()),
+
+				cdata: function(text) {
+					node.append(createNode('#cdata', 4)).value = text;
+				},
+
+				text: function(text, raw) {
+					var textNode;
+
+					// Trim all redundant whitespace on non white space elements
+					if (!isInWhiteSpacePreservedElement) {
+						text = text.replace(allWhiteSpaceRegExp, ' ');
+
+						if (node.lastChild && blockElements[node.lastChild.name]) {
+							text = text.replace(startWhiteSpaceRegExp, '');
+						}
+					}
+
+					// Do we need to create the node
+					if (text.length !== 0) {
+						textNode = createNode('#text', 3);
+						textNode.raw = !!raw;
+						node.append(textNode).value = text;
+					}
+				},
+
+				comment: function(text) {
+					node.append(createNode('#comment', 8)).value = text;
+				},
+
+				pi: function(name, text) {
+					node.append(createNode(name, 7)).value = text;
+					removeWhitespaceBefore(node);
+				},
+
+				doctype: function(text) {
+					var newNode;
+
+					newNode = node.append(createNode('#doctype', 10));
+					newNode.value = text;
+					removeWhitespaceBefore(node);
+				},
+
+				start: function(name, attrs, empty) {
+					var newNode, attrFiltersLen, elementRule, attrName, parent;
+
+					elementRule = validate ? schema.getElementRule(name) : {};
+					if (elementRule) {
+						newNode = createNode(elementRule.outputName || name, 1);
+						newNode.attributes = attrs;
+						newNode.shortEnded = empty;
+
+						node.append(newNode);
+
+						// Check if node is valid child of the parent node is the child is
+						// unknown we don't collect it since it's probably a custom element
+						parent = children[node.name];
+						if (parent && children[newNode.name] && !parent[newNode.name]) {
+							invalidChildren.push(newNode);
+						}
+
+						attrFiltersLen = attributeFilters.length;
+						while (attrFiltersLen--) {
+							attrName = attributeFilters[attrFiltersLen].name;
+
+							if (attrName in attrs.map) {
+								list = matchedAttributes[attrName];
+
+								if (list) {
+									list.push(newNode);
+								} else {
+									matchedAttributes[attrName] = [newNode];
+								}
+							}
+						}
+
+						// Trim whitespace before block
+						if (blockElements[name]) {
+							removeWhitespaceBefore(newNode);
+						}
+
+						// Change current node if the element wasn't empty i.e not <br /> or <img />
+						if (!empty) {
+							node = newNode;
+						}
+
+						// Check if we are inside a whitespace preserved element
+						if (!isInWhiteSpacePreservedElement && whiteSpaceElements[name]) {
+							isInWhiteSpacePreservedElement = true;
+						}
+					}
+				},
+
+				end: function(name) {
+					var textNode, elementRule, text, sibling, tempNode;
+
+					elementRule = validate ? schema.getElementRule(name) : {};
+					if (elementRule) {
+						if (blockElements[name]) {
+							if (!isInWhiteSpacePreservedElement) {
+								// Trim whitespace of the first node in a block
+								textNode = node.firstChild;
+								if (textNode && textNode.type === 3) {
+									text = textNode.value.replace(startWhiteSpaceRegExp, '');
+
+									// Any characters left after trim or should we remove it
+									if (text.length > 0) {
+										textNode.value = text;
+										textNode = textNode.next;
+									} else {
+										sibling = textNode.next;
+										textNode.remove();
+										textNode = sibling;
+
+										// Remove any pure whitespace siblings
+										while (textNode && textNode.type === 3) {
+											text = textNode.value;
+											sibling = textNode.next;
+
+											if (text.length === 0 || isAllWhiteSpaceRegExp.test(text)) {
+												textNode.remove();
+												textNode = sibling;
+											}
+
+											textNode = sibling;
+										}
+									}
+								}
+
+								// Trim whitespace of the last node in a block
+								textNode = node.lastChild;
+								if (textNode && textNode.type === 3) {
+									text = textNode.value.replace(endWhiteSpaceRegExp, '');
+
+									// Any characters left after trim or should we remove it
+									if (text.length > 0) {
+										textNode.value = text;
+										textNode = textNode.prev;
+									} else {
+										sibling = textNode.prev;
+										textNode.remove();
+										textNode = sibling;
+
+										// Remove any pure whitespace siblings
+										while (textNode && textNode.type === 3) {
+											text = textNode.value;
+											sibling = textNode.prev;
+
+											if (text.length === 0 || isAllWhiteSpaceRegExp.test(text)) {
+												textNode.remove();
+												textNode = sibling;
+											}
+
+											textNode = sibling;
+										}
+									}
+								}
+							}
+
+							// Trim start white space
+							// Removed due to: #5424
+							/*textNode = node.prev;
+							if (textNode && textNode.type === 3) {
+								text = textNode.value.replace(startWhiteSpaceRegExp, '');
+
+								if (text.length > 0)
+									textNode.value = text;
+								else
+									textNode.remove();
+							}*/
+						}
+
+						// Check if we exited a whitespace preserved element
+						if (isInWhiteSpacePreservedElement && whiteSpaceElements[name]) {
+							isInWhiteSpacePreservedElement = false;
+						}
+
+						// Handle empty nodes
+						if (elementRule.removeEmpty || elementRule.paddEmpty) {
+							if (node.isEmpty(nonEmptyElements)) {
+								if (elementRule.paddEmpty) {
+									node.empty().append(new Node('#text', '3')).value = '\u00a0';
+								} else {
+									// Leave nodes that have a name like <a name="name">
+									if (!node.attributes.map.name && !node.attributes.map.id) {
+										tempNode = node.parent;
+
+										if (blockElements[node.name]) {
+											node.empty().remove();
+										} else {
+											node.unwrap();
+										}
+
+										node = tempNode;
+										return;
+									}
+								}
+							}
+						}
+
+						node = node.parent;
+					}
+				}
+			}, schema);
+
+			rootNode = node = new Node(args.context || settings.root_name, 11);
+
+			parser.parse(html);
+
+			// Fix invalid children or report invalid children in a contextual parsing
+			if (validate && invalidChildren.length) {
+				if (!args.context) {
+					fixInvalidChildren(invalidChildren);
+				} else {
+					args.invalid = true;
+				}
+			}
+
+			// Wrap nodes in the root into block elements if the root is body
+			if (rootBlockName && (rootNode.name == 'body' || args.isRootContent)) {
+				addRootBlocks();
+			}
+
+			// Run filters only when the contents is valid
+			if (!args.invalid) {
+				// Run node filters
+				for (name in matchedNodes) {
+					list = nodeFilters[name];
+					nodes = matchedNodes[name];
+
+					// Remove already removed children
+					fi = nodes.length;
+					while (fi--) {
+						if (!nodes[fi].parent) {
+							nodes.splice(fi, 1);
+						}
+					}
+
+					for (i = 0, l = list.length; i < l; i++) {
+						list[i](nodes, name, args);
+					}
+				}
+
+				// Run attribute filters
+				for (i = 0, l = attributeFilters.length; i < l; i++) {
+					list = attributeFilters[i];
+
+					if (list.name in matchedAttributes) {
+						nodes = matchedAttributes[list.name];
+
+						// Remove already removed children
+						fi = nodes.length;
+						while (fi--) {
+							if (!nodes[fi].parent) {
+								nodes.splice(fi, 1);
+							}
+						}
+
+						for (fi = 0, fl = list.callbacks.length; fi < fl; fi++) {
+							list.callbacks[fi](nodes, list.name, args);
+						}
+					}
+				}
+			}
+
+			return rootNode;
+		};
+
+		// Remove <br> at end of block elements Gecko and WebKit injects BR elements to
+		// make it possible to place the caret inside empty blocks. This logic tries to remove
+		// these elements and keep br elements that where intended to be there intact
+		if (settings.remove_trailing_brs) {
+			self.addNodeFilter('br', function(nodes) {
+				var i, l = nodes.length, node, blockElements = extend({}, schema.getBlockElements());
+				var nonEmptyElements = schema.getNonEmptyElements(), parent, lastParent, prev, prevName;
+				var elementRule, textNode;
+
+				// Remove brs from body element as well
+				blockElements.body = 1;
+
+				// Must loop forwards since it will otherwise remove all brs in <p>a<br><br><br></p>
+				for (i = 0; i < l; i++) {
+					node = nodes[i];
+					parent = node.parent;
+
+					if (blockElements[node.parent.name] && node === parent.lastChild) {
+						// Loop all nodes to the left of the current node and check for other BR elements
+						// excluding bookmarks since they are invisible
+						prev = node.prev;
+						while (prev) {
+							prevName = prev.name;
+
+							// Ignore bookmarks
+							if (prevName !== "span" || prev.attr('data-mce-type') !== 'bookmark') {
+								// Found a non BR element
+								if (prevName !== "br") {
+									break;
+								}
+
+								// Found another br it's a <br><br> structure then don't remove anything
+								if (prevName === 'br') {
+									node = null;
+									break;
+								}
+							}
+
+							prev = prev.prev;
+						}
+
+						if (node) {
+							node.remove();
+
+							// Is the parent to be considered empty after we removed the BR
+							if (parent.isEmpty(nonEmptyElements)) {
+								elementRule = schema.getElementRule(parent.name);
+
+								// Remove or padd the element depending on schema rule
+								if (elementRule) {
+									if (elementRule.removeEmpty) {
+										parent.remove();
+									} else if (elementRule.paddEmpty) {
+										parent.empty().append(new Node('#text', 3)).value = '\u00a0';
+									}
+								}
+							}
+						}
+					} else {
+						// Replaces BR elements inside inline elements like <p><b><i><br></i></b></p>
+						// so they become <p><b><i>&nbsp;</i></b></p>
+						lastParent = node;
+						while (parent && parent.firstChild === lastParent && parent.lastChild === lastParent) {
+							lastParent = parent;
+
+							if (blockElements[parent.name]) {
+								break;
+							}
+
+							parent = parent.parent;
+						}
+
+						if (lastParent === parent) {
+							textNode = new Node('#text', 3);
+							textNode.value = '\u00a0';
+							node.replace(textNode);
+						}
+					}
+				}
+			});
+		}
+
+		// Force anchor names closed, unless the setting "allow_html_in_named_anchor" is explicitly included.
+		if (!settings.allow_html_in_named_anchor) {
+			self.addAttributeFilter('id,name', function(nodes) {
+				var i = nodes.length, sibling, prevSibling, parent, node;
+
+				while (i--) {
+					node = nodes[i];
+					if (node.name === 'a' && node.firstChild && !node.attr('href')) {
+						parent = node.parent;
+
+						// Move children after current node
+						sibling = node.lastChild;
+						do {
+							prevSibling = sibling.prev;
+							parent.insert(sibling, node);
+							sibling = prevSibling;
+						} while (sibling);
+					}
+				}
+			});
+		}
+
+		if (settings.validate && schema.getValidClasses()) {
+			self.addAttributeFilter('class', function(nodes) {
+				var i = nodes.length, node, classList, ci, className, classValue;
+				var validClasses = schema.getValidClasses(), validClassesMap, valid;
+
+				while (i--) {
+					node = nodes[i];
+					classList = node.attr('class').split(' ');
+					classValue = '';
+
+					for (ci = 0; ci < classList.length; ci++) {
+						className = classList[ci];
+						valid = false;
+
+						validClassesMap = validClasses['*'];
+						if (validClassesMap && validClassesMap[className]) {
+							valid = true;
+						}
+
+						validClassesMap = validClasses[node.name];
+						if (!valid && validClassesMap && validClassesMap[className]) {
+							valid = true;
+						}
+
+						if (valid) {
+							if (classValue) {
+								classValue += ' ';
+							}
+
+							classValue += className;
+						}
+					}
+
+					if (!classValue.length) {
+						classValue = null;
+					}
+
+					node.attr('class', classValue);
+				}
+			});
+		}
+	};
+});