From 3332bebe4da6dfa0fe3e4b2abddc84b1cc62f8f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Fri, 19 Feb 2016 23:38:52 +0100
Subject: Initial commit

---
 sources/core/editable.js | 3158 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 3158 insertions(+)
 create mode 100644 sources/core/editable.js

(limited to 'sources/core/editable.js')

diff --git a/sources/core/editable.js b/sources/core/editable.js
new file mode 100644
index 0000000..b9b0270
--- /dev/null
+++ b/sources/core/editable.js
@@ -0,0 +1,3158 @@
+/**
+ * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or http://ckeditor.com/license
+ */
+
+( function() {
+	/**
+	 * Editable class which provides all editing related activities by
+	 * the `contenteditable` element, dynamically get attached to editor instance.
+	 *
+	 * @class CKEDITOR.editable
+	 * @extends CKEDITOR.dom.element
+	 */
+	CKEDITOR.editable = CKEDITOR.tools.createClass( {
+		base: CKEDITOR.dom.element,
+		/**
+		 * The constructor only stores generic editable creation logic that is commonly shared among
+		 * all different editable elements.
+		 *
+		 * @constructor Creates an editable class instance.
+		 * @param {CKEDITOR.editor} editor The editor instance on which the editable operates.
+		 * @param {HTMLElement/CKEDITOR.dom.element} element Any DOM element that was as the editor's
+		 * editing container, e.g. it could be either an HTML element with the `contenteditable` attribute
+		 * set to the `true` that handles WYSIWYG editing or a `<textarea>` element that handles source editing.
+		 */
+		$: function( editor, element ) {
+			// Transform the element into a CKEDITOR.dom.element instance.
+			this.base( element.$ || element );
+
+			this.editor = editor;
+
+			/**
+			 * Indicates the initialization status of the editable element. The following statuses are available:
+			 *
+			 *	* **unloaded** &ndash; the initial state. The editable's instance was created but
+			 *	is not fully loaded (in particular it has no data).
+			 *	* **ready** &ndash; the editable is fully initialized. The `ready` status is set after
+			 *	the first {@link CKEDITOR.editor#method-setData} is called.
+			 *	* **detached** &ndash; the editable was detached.
+			 *
+			 * @since 4.3.3
+			 * @readonly
+			 * @property {String}
+			 */
+			this.status = 'unloaded';
+
+			/**
+			 * Indicates whether the editable element gained focus.
+			 *
+			 * @property {Boolean} hasFocus
+			 */
+			this.hasFocus = false;
+
+			// The bootstrapping logic.
+			this.setup();
+		},
+
+		proto: {
+			focus: function() {
+
+				var active;
+
+				// [Webkit] When DOM focus is inside of nested contenteditable elements,
+				// apply focus on the main editable will compromise it's text selection.
+				if ( CKEDITOR.env.webkit && !this.hasFocus ) {
+					// Restore focus on element which we cached (on selectionCheck) as previously active.
+					active = this.editor._.previousActive || this.getDocument().getActive();
+					if ( this.contains( active ) ) {
+						active.focus();
+						return;
+					}
+				}
+
+				// [IE] Use instead "setActive" method to focus the editable if it belongs to
+				// the host page document, to avoid bringing an unexpected scroll.
+				try {
+					this.$[ CKEDITOR.env.ie && this.getDocument().equals( CKEDITOR.document ) ? 'setActive' : 'focus' ]();
+				} catch ( e ) {
+					// IE throws unspecified error when focusing editable after closing dialog opened on nested editable.
+					if ( !CKEDITOR.env.ie )
+						throw e;
+				}
+
+				// Remedy if Safari doens't applies focus properly. (#279)
+				if ( CKEDITOR.env.safari && !this.isInline() ) {
+					active = CKEDITOR.document.getActive();
+					if ( !active.equals( this.getWindow().getFrame() ) )
+						this.getWindow().focus();
+
+				}
+			},
+
+			/**
+			 * Overrides {@link CKEDITOR.dom.element#on} to have special `focus/blur` handling.
+			 * The `focusin/focusout` events are used in IE to replace regular `focus/blur` events
+			 * because we want to avoid the asynchronous nature of later ones.
+			 */
+			on: function( name, fn ) {
+				var args = Array.prototype.slice.call( arguments, 0 );
+
+				if ( CKEDITOR.env.ie && ( /^focus|blur$/ ).exec( name ) ) {
+					name = name == 'focus' ? 'focusin' : 'focusout';
+
+					// The "focusin/focusout" events bubbled, e.g. If there are elements with layout
+					// they fire this event when clicking in to edit them but it must be ignored
+					// to allow edit their contents. (#4682)
+					fn = isNotBubbling( fn, this );
+					args[ 0 ] = name;
+					args[ 1 ] = fn;
+				}
+
+				return CKEDITOR.dom.element.prototype.on.apply( this, args );
+			},
+
+			/**
+			 * Registers an event listener that needs to be removed when detaching this editable.
+			 * This means that it will be automatically removed when {@link #detach} is executed,
+			 * for example on {@link CKEDITOR.editor#setMode changing editor mode} or destroying editor.
+			 *
+			 * Except for `obj` all other arguments have the same meaning as in {@link CKEDITOR.event#on}.
+			 *
+			 * This method is strongly related to the {@link CKEDITOR.editor#contentDom} and
+			 * {@link CKEDITOR.editor#contentDomUnload} events, because they are fired
+			 * when an editable is being attached and detached. Therefore, this method is usually used
+			 * in the following way:
+			 *
+			 *		editor.on( 'contentDom', function() {
+			 *			var editable = editor.editable();
+			 *			editable.attachListener( editable, 'mousedown', function() {
+			 *				// ...
+			 *			} );
+			 *		} );
+			 *
+			 * This code will attach the `mousedown` listener every time a new editable is attached
+			 * to the editor, which in classic (`iframe`-based) editor happens every time the
+			 * data or the mode is set. This listener will also be removed when that editable is detached.
+			 *
+			 * It is also possible to attach a listener to another object (e.g. to a document).
+			 *
+			 *		editor.on( 'contentDom', function() {
+			 *			editor.editable().attachListener( editor.document, 'mousedown', function() {
+			 *				// ...
+			 *			} );
+			 *		} );
+			 *
+			 * @param {CKEDITOR.event} obj The element/object to which the listener will be attached. Every object
+			 * which inherits from {@link CKEDITOR.event} may be used including {@link CKEDITOR.dom.element},
+			 * {@link CKEDITOR.dom.document}, and {@link CKEDITOR.editable}.
+			 * @param {String} eventName The name of the event that will be listened to.
+			 * @param {Function} listenerFunction The function listening to the
+			 * event. A single {@link CKEDITOR.eventInfo} object instance
+			 * containing all the event data is passed to this function.
+			 * @param {Object} [scopeObj] The object used to scope the listener
+			 * call (the `this` object). If omitted, the current object is used.
+			 * @param {Object} [listenerData] Data to be sent as the
+			 * {@link CKEDITOR.eventInfo#listenerData} when calling the listener.
+			 * @param {Number} [priority=10] The listener priority. Lower priority
+			 * listeners are called first. Listeners with the same priority
+			 * value are called in the registration order.
+			 * @returns {Object} An object containing the `removeListener`
+			 * function that can be used to remove the listener at any time.
+			 */
+			attachListener: function( obj /*, event, fn, scope, listenerData, priority*/ ) {
+				!this._.listeners && ( this._.listeners = [] );
+				// Register the listener.
+				var args = Array.prototype.slice.call( arguments, 1 ),
+					listener = obj.on.apply( obj, args );
+
+				this._.listeners.push( listener );
+
+				return listener;
+			},
+
+			/**
+			 * Remove all event listeners registered from {@link #attachListener}.
+			 */
+			clearListeners: function() {
+				var listeners = this._.listeners;
+				// Don't get broken by this.
+				try {
+					while ( listeners.length )
+						listeners.pop().removeListener();
+				} catch ( e ) {}
+			},
+
+			/**
+			 * Restore all attribution changes made by {@link #changeAttr }.
+			 */
+			restoreAttrs: function() {
+				var changes = this._.attrChanges, orgVal;
+				for ( var attr in changes ) {
+					if ( changes.hasOwnProperty( attr ) ) {
+						orgVal = changes[ attr ];
+						// Restore original attribute.
+						orgVal !== null ? this.setAttribute( attr, orgVal ) : this.removeAttribute( attr );
+					}
+				}
+			},
+
+			/**
+			 * Adds a CSS class name to this editable that needs to be removed on detaching.
+			 *
+			 * @param {String} className The class name to be added.
+			 * @see CKEDITOR.dom.element#addClass
+			 */
+			attachClass: function( cls ) {
+				var classes = this.getCustomData( 'classes' );
+				if ( !this.hasClass( cls ) ) {
+					!classes && ( classes = [] ), classes.push( cls );
+					this.setCustomData( 'classes', classes );
+					this.addClass( cls );
+				}
+			},
+
+			/**
+			 * Make an attribution change that would be reverted on editable detaching.
+			 * @param {String} attr The attribute name to be changed.
+			 * @param {String} val The value of specified attribute.
+			 */
+			changeAttr: function( attr, val ) {
+				var orgVal = this.getAttribute( attr );
+				if ( val !== orgVal ) {
+					!this._.attrChanges && ( this._.attrChanges = {} );
+
+					// Saved the original attribute val.
+					if ( !( attr in this._.attrChanges ) )
+						this._.attrChanges[ attr ] = orgVal;
+
+					this.setAttribute( attr, val );
+				}
+			},
+
+			/**
+			 * Low-level method for inserting text into the editable.
+			 * See the {@link CKEDITOR.editor#method-insertText} method which is the editor-level API
+			 * for this purpose.
+			 *
+			 * @param {String} text
+			 */
+			insertText: function( text ) {
+				// Focus the editor before calling transformPlainTextToHtml. (#12726)
+				this.editor.focus();
+				this.insertHtml( this.transformPlainTextToHtml( text ), 'text' );
+			},
+
+			/**
+			 * Transforms plain text to HTML based on current selection and {@link CKEDITOR.editor#activeEnterMode}.
+			 *
+			 * @since 4.5
+			 * @param {String} text Text to transform.
+			 * @returns {String} HTML generated from the text.
+			 */
+			transformPlainTextToHtml: function( text ) {
+				var enterMode = this.editor.getSelection().getStartElement().hasAscendant( 'pre', true ) ?
+					CKEDITOR.ENTER_BR :
+					this.editor.activeEnterMode;
+
+				return CKEDITOR.tools.transformPlainTextToHtml( text, enterMode );
+			},
+
+			/**
+			 * Low-level method for inserting HTML into the editable.
+			 * See the {@link CKEDITOR.editor#method-insertHtml} method which is the editor-level API
+			 * for this purpose.
+			 *
+			 * This method will insert HTML into the current selection or a given range. It also creates an undo snapshot,
+			 * scrolls the viewport to the insertion and selects the range next to the inserted content.
+			 * If you want to insert HTML without additional operations use {@link #method-insertHtmlIntoRange}.
+			 *
+			 * Fires the {@link CKEDITOR.editor#event-afterInsertHtml} event.
+			 *
+			 * @param {String} data The HTML to be inserted.
+			 * @param {String} [mode='html'] See {@link CKEDITOR.editor#method-insertHtml}'s param.
+			 * @param {CKEDITOR.dom.range} [range] If specified, the HTML will be inserted into the range
+			 * instead of into the selection. The selection will be placed at the end of the insertion (like in the normal case).
+			 * Introduced in CKEditor 4.5.
+			 */
+			insertHtml: function( data, mode, range ) {
+				var editor = this.editor;
+
+				editor.focus();
+				editor.fire( 'saveSnapshot' );
+
+				if ( !range ) {
+					// HTML insertion only considers the first range.
+					// Note: getRanges will be overwritten for tests since we want to test
+					// custom ranges and bypass native selections.
+					range = editor.getSelection().getRanges()[ 0 ];
+				}
+
+				// Default mode is 'html'.
+				insert( this, mode || 'html', data, range );
+
+				// Make the final range selection.
+				range.select();
+
+				afterInsert( this );
+
+				this.editor.fire( 'afterInsertHtml', {} );
+			},
+
+			/**
+			 * Inserts HTML into the position in the editor determined by the range.
+			 *
+			 * **Note:** This method does not {@link CKEDITOR.editor#saveSnapshot save undo snapshots} nor selects inserted
+			 * HTML. If you want to do it, use {@link #method-insertHtml}.
+			 *
+			 * Fires the {@link CKEDITOR.editor#event-afterInsertHtml} event.
+			 *
+			 * @since 4.5
+			 * @param {String} data HTML code to be inserted into the editor.
+			 * @param {CKEDITOR.dom.range} range The range as a place of insertion.
+			 * @param {String} [mode='html'] Mode in which HTML will be inserted.
+			 * See {@link CKEDITOR.editor#method-insertHtml}.
+			 */
+			insertHtmlIntoRange: function( data, range, mode ) {
+				// Default mode is 'html'
+				insert( this, mode || 'html', data, range );
+
+				this.editor.fire( 'afterInsertHtml', { intoRange: range } );
+			},
+
+			/**
+			 * Low-level method for inserting an element into the editable.
+			 * See the {@link CKEDITOR.editor#method-insertElement} method which is the editor-level API
+			 * for this purpose.
+			 *
+			 * This method will insert the element into the current selection or a given range. It also creates an undo
+			 * snapshot, scrolls the viewport to the insertion and selects the range next to the inserted content.
+			 * If you want to insert an element without additional operations use {@link #method-insertElementIntoRange}.
+			 *
+			 * @param {CKEDITOR.dom.element} element The element to insert.
+			 * @param {CKEDITOR.dom.range} [range] If specified, the element will be inserted into the range
+			 * instead of into the selection.
+			 */
+			insertElement: function( element, range ) {
+				var editor = this.editor;
+
+				// Prepare for the insertion. For example - focus editor (#11848).
+				editor.focus();
+				editor.fire( 'saveSnapshot' );
+
+				var enterMode = editor.activeEnterMode,
+					selection = editor.getSelection(),
+					elementName = element.getName(),
+					isBlock = CKEDITOR.dtd.$block[ elementName ];
+
+				if ( !range ) {
+					range = selection.getRanges()[ 0 ];
+				}
+
+				// Insert element into first range only and ignore the rest (#11183).
+				if ( this.insertElementIntoRange( element, range ) ) {
+					range.moveToPosition( element, CKEDITOR.POSITION_AFTER_END );
+
+					// If we're inserting a block element, the new cursor position must be
+					// optimized. (#3100,#5436,#8950)
+					if ( isBlock ) {
+						// Find next, meaningful element.
+						var next = element.getNext( function( node ) {
+							return isNotEmpty( node ) && !isBogus( node );
+						} );
+
+						if ( next && next.type == CKEDITOR.NODE_ELEMENT && next.is( CKEDITOR.dtd.$block ) ) {
+							// If the next one is a text block, move cursor to the start of it's content.
+							if ( next.getDtd()[ '#' ] )
+								range.moveToElementEditStart( next );
+							// Otherwise move cursor to the before end of the last element.
+							else
+								range.moveToElementEditEnd( element );
+						}
+						// Open a new line if the block is inserted at the end of parent.
+						else if ( !next && enterMode != CKEDITOR.ENTER_BR ) {
+							next = range.fixBlock( true, enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' );
+							range.moveToElementEditStart( next );
+						}
+					}
+				}
+
+				// Set up the correct selection.
+				selection.selectRanges( [ range ] );
+
+				afterInsert( this );
+			},
+
+			/**
+			 * Alias for {@link #insertElement}.
+			 *
+			 * @deprecated
+			 * @param {CKEDITOR.dom.element} element The element to be inserted.
+			 */
+			insertElementIntoSelection: function( element ) {
+				this.insertElement( element );
+			},
+
+			/**
+			 * Inserts an element into the position in the editor determined by the range.
+			 *
+			 * **Note:** This method does not {@link CKEDITOR.editor#saveSnapshot save undo snapshots} nor selects the inserted
+			 * element. If you want to do it, use the {@link #method-insertElement} method.
+			 *
+			 * @param {CKEDITOR.dom.element} element The element to be inserted.
+			 * @param {CKEDITOR.dom.range} range The range as a place of insertion.
+			 * @returns {Boolean} Informs whether the insertion was successful.
+			 */
+			insertElementIntoRange: function( element, range ) {
+				var editor = this.editor,
+					enterMode = editor.config.enterMode,
+					elementName = element.getName(),
+					isBlock = CKEDITOR.dtd.$block[ elementName ];
+
+				if ( range.checkReadOnly() )
+					return false;
+
+				// Remove the original contents, merge split nodes.
+				range.deleteContents( 1 );
+
+				// If range is placed in inermediate element (not td or th), we need to do three things:
+				// * fill emptied <td/th>s with if browser needs them,
+				// * remove empty text nodes so IE8 won't crash (http://dev.ckeditor.com/ticket/11183#comment:8),
+				// * fix structure and move range into the <td/th> element.
+				if ( range.startContainer.type == CKEDITOR.NODE_ELEMENT && range.startContainer.is( { tr: 1, table: 1, tbody: 1, thead: 1, tfoot: 1 } ) )
+					fixTableAfterContentsDeletion( range );
+
+				// If we're inserting a block at dtd-violated position, split
+				// the parent blocks until we reach blockLimit.
+				var current, dtd;
+
+				if ( isBlock ) {
+					while ( ( current = range.getCommonAncestor( 0, 1 ) ) &&
+							( dtd = CKEDITOR.dtd[ current.getName() ] ) &&
+							!( dtd && dtd[ elementName ] ) ) {
+						// Split up inline elements.
+						if ( current.getName() in CKEDITOR.dtd.span )
+							range.splitElement( current );
+
+						// If we're in an empty block which indicate a new paragraph,
+						// simply replace it with the inserting block.(#3664)
+						else if ( range.checkStartOfBlock() && range.checkEndOfBlock() ) {
+							range.setStartBefore( current );
+							range.collapse( true );
+							current.remove();
+						} else {
+							range.splitBlock( enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p', editor.editable() );
+						}
+					}
+				}
+
+				// Insert the new node.
+				range.insertNode( element );
+
+				// Return true if insertion was successful.
+				return true;
+			},
+
+			/**
+			 * @see CKEDITOR.editor#setData
+			 */
+			setData: function( data, isSnapshot ) {
+				if ( !isSnapshot )
+					data = this.editor.dataProcessor.toHtml( data );
+
+				this.setHtml( data );
+				this.fixInitialSelection();
+
+				// Editable is ready after first setData.
+				if ( this.status == 'unloaded' )
+					this.status = 'ready';
+
+				this.editor.fire( 'dataReady' );
+			},
+
+			/**
+			 * @see CKEDITOR.editor#getData
+			 */
+			getData: function( isSnapshot ) {
+				var data = this.getHtml();
+
+				if ( !isSnapshot )
+					data = this.editor.dataProcessor.toDataFormat( data );
+
+				return data;
+			},
+
+			/**
+			 * Changes the read-only state of this editable.
+			 *
+			 * @param {Boolean} isReadOnly
+			 */
+			setReadOnly: function( isReadOnly ) {
+				this.setAttribute( 'contenteditable', !isReadOnly );
+			},
+
+			/**
+			 * Detaches this editable object from the DOM (removes classes, listeners, etc.)
+			 */
+			detach: function() {
+				// Cleanup the element.
+				this.removeClass( 'cke_editable' );
+
+				this.status = 'detached';
+
+				// Save the editor reference which will be lost after
+				// calling detach from super class.
+				var editor = this.editor;
+
+				this._.detach();
+
+				delete editor.document;
+				delete editor.window;
+			},
+
+			/**
+			 * Checks if the editable is one of the host page elements, indicates
+			 * an inline editing environment.
+			 *
+			 * @returns {Boolean}
+			 */
+			isInline: function() {
+				return this.getDocument().equals( CKEDITOR.document );
+			},
+
+			/**
+			 * Fixes the selection and focus which may be in incorrect state after
+			 * editable's inner HTML was overwritten.
+			 *
+			 * If the editable did not have focus, then the selection will be fixed when the editable
+			 * is focused for the first time. If the editable already had focus, then the selection will
+			 * be fixed immediately.
+			 *
+			 * To understand the problem see:
+			 *
+			 * * http://tests.ckeditor.dev:1030/tests/core/selection/manual/focusaftersettingdata
+			 * * http://tests.ckeditor.dev:1030/tests/core/selection/manual/focusafterundoing
+			 * * http://tests.ckeditor.dev:1030/tests/core/selection/manual/selectionafterfocusing
+			 * * http://tests.ckeditor.dev:1030/tests/plugins/newpage/manual/selectionafternewpage
+			 *
+			 * @since 4.4.6
+			 * @private
+			 */
+			fixInitialSelection: function() {
+				var that = this;
+
+				// Deal with IE8- IEQM (the old MS selection) first.
+				if ( CKEDITOR.env.ie && ( CKEDITOR.env.version < 9 || CKEDITOR.env.quirks ) ) {
+					if ( this.hasFocus ) {
+						this.focus();
+						fixMSSelection();
+					}
+
+					return;
+				}
+
+				// If editable did not have focus, fix the selection when it is first focused.
+				if ( !this.hasFocus ) {
+					this.once( 'focus', function() {
+						fixSelection();
+					}, null, null, -999 );
+				// If editable had focus, fix the selection immediately.
+				} else {
+					this.focus();
+					fixSelection();
+				}
+
+				function fixSelection() {
+					var $doc = that.getDocument().$,
+						$sel = $doc.getSelection();
+
+					if ( requiresFix( $sel ) ) {
+						var range = new CKEDITOR.dom.range( that );
+						range.moveToElementEditStart( that );
+
+						var $range = $doc.createRange();
+						$range.setStart( range.startContainer.$, range.startOffset );
+						$range.collapse( true );
+
+						$sel.removeAllRanges();
+						$sel.addRange( $range );
+					}
+				}
+
+				function requiresFix( $sel ) {
+					// This condition covers most broken cases after setting data.
+					if ( $sel.anchorNode && $sel.anchorNode == that.$ ) {
+						return true;
+					}
+
+					// Fix for:
+					// http://tests.ckeditor.dev:1030/tests/core/selection/manual/focusaftersettingdata
+					// (the inline editor TC)
+					if ( CKEDITOR.env.webkit ) {
+						var active = that.getDocument().getActive();
+						if ( active && active.equals( that ) && !$sel.anchorNode ) {
+							return true;
+						}
+					}
+				}
+
+				function fixMSSelection() {
+					var $doc = that.getDocument().$,
+						$sel = $doc.selection,
+						active = that.getDocument().getActive();
+
+					if ( $sel.type == 'None' && active.equals( that ) ) {
+						var range = new CKEDITOR.dom.range( that ),
+							parentElement,
+							$range = $doc.body.createTextRange();
+
+						range.moveToElementEditStart( that );
+
+						parentElement = range.startContainer;
+						if ( parentElement.type != CKEDITOR.NODE_ELEMENT ) {
+							parentElement = parentElement.getParent();
+						}
+
+						$range.moveToElementText( parentElement.$ );
+						$range.collapse( true );
+						$range.select();
+					}
+				}
+			},
+
+			/**
+			 * The base of the {@link CKEDITOR.editor#getSelectedHtml} method.
+			 *
+			 * @since 4.5
+			 * @method getHtmlFromRange
+			 * @param {CKEDITOR.dom.range} range
+			 * @returns {CKEDITOR.dom.documentFragment}
+			 */
+			getHtmlFromRange: function( range ) {
+				// There's nothing to return if range is collapsed.
+				if ( range.collapsed )
+					return new CKEDITOR.dom.documentFragment( range.document );
+
+				// Info object passed between methods.
+				var that = {
+					doc: this.getDocument(),
+					// Leave original range object untouched.
+					range: range.clone()
+				};
+
+				getHtmlFromRangeHelpers.eol.detect( that, this );
+				getHtmlFromRangeHelpers.bogus.exclude( that );
+				getHtmlFromRangeHelpers.cell.shrink( that );
+
+				that.fragment = that.range.cloneContents();
+
+				getHtmlFromRangeHelpers.tree.rebuild( that, this );
+				getHtmlFromRangeHelpers.eol.fix( that, this );
+
+				return new CKEDITOR.dom.documentFragment( that.fragment.$ );
+			},
+
+			/**
+			 * The base of the {@link CKEDITOR.editor#extractSelectedHtml} method.
+			 *
+			 * **Note:** The range is modified so it matches the desired selection after extraction
+			 * even though the selection is not made.
+			 *
+			 * @since 4.5
+			 * @param {CKEDITOR.dom.range} range
+			 * @param {Boolean} [removeEmptyBlock=false] See {@link CKEDITOR.editor#extractSelectedHtml}'s parameter.
+			 * Note that the range will not be modified if this parameter is set to `true`.
+			 * @returns {CKEDITOR.dom.documentFragment} The extracted fragment of the editable content.
+			 */
+			extractHtmlFromRange: function( range, removeEmptyBlock ) {
+				var helpers = extractHtmlFromRangeHelpers,
+					that = {
+						range: range,
+						doc: range.document
+					},
+					// Since it is quite hard to build a valid documentFragment
+					// out of extracted contents because DOM changes, let's mimic
+					// extracted HTML with #getHtmlFromRange. Yep. It's a hack.
+					extractedFragment = this.getHtmlFromRange( range );
+
+				// Collapsed range means that there's nothing to extract.
+				if ( range.collapsed ) {
+					range.optimize();
+					return extractedFragment;
+				}
+
+				// Include inline element if possible.
+				range.enlarge( CKEDITOR.ENLARGE_INLINE, 1 );
+
+				// This got to be done before bookmarks are created because purging
+				// depends on the position of the range at the boundaries of the table,
+				// usually distorted by bookmark spans.
+				helpers.table.detectPurge( that );
+
+				// We'll play with DOM, let's hold the position of the range.
+				that.bookmark = range.createBookmark();
+				// While bookmarked, make unaccessible, to make sure that none of the methods
+				// will try to use it (they should use that.bookmark).
+				// This is done because ranges get desynchronized with the DOM when more bookmarks
+				// is created (as for instance that.targetBookmark).
+				delete that.range;
+
+				// The range to be restored after extraction should be kept
+				// outside of the range, so it's not removed by range.extractContents.
+				var targetRange = this.editor.createRange();
+				targetRange.moveToPosition( that.bookmark.startNode, CKEDITOR.POSITION_BEFORE_START );
+				that.targetBookmark = targetRange.createBookmark();
+
+				// Execute content-specific detections.
+				helpers.list.detectMerge( that, this );
+				helpers.table.detectRanges( that, this );
+				helpers.block.detectMerge( that, this );
+
+				// Simply, do the job.
+				if ( that.tableContentsRanges ) {
+					helpers.table.deleteRanges( that );
+
+					// Done here only to remove bookmark's spans.
+					range.moveToBookmark( that.bookmark );
+					that.range = range;
+				} else {
+					// To use the range we need to restore the bookmark and make
+					// the range accessible again.
+					range.moveToBookmark( that.bookmark );
+					that.range = range;
+					range.extractContents( helpers.detectExtractMerge( that ) );
+				}
+
+				// Move working range to desired, pre-computed position.
+				range.moveToBookmark( that.targetBookmark );
+
+				// Make sure range is always anchored in an element. For consistency.
+				range.optimize();
+
+				// It my happen that the uncollapsed range which referred to a valid selection,
+				// will be placed in an uneditable location after being collapsed:
+				// <tr>[<td>x</td>]</tr> -> <tr>[]<td>x</td></tr> -> <tr><td>[]x</td></tr>
+				helpers.fixUneditableRangePosition( range );
+
+				// Execute content-specific post-extract routines.
+				helpers.list.merge( that, this );
+				helpers.table.purge( that, this );
+				helpers.block.merge( that, this );
+
+				// Remove empty block, duh!
+				if ( removeEmptyBlock ) {
+					var path = range.startPath();
+
+					// <p><b>^</b></p> is empty block.
+					if (
+						range.checkStartOfBlock() &&
+						range.checkEndOfBlock() &&
+						path.block &&
+						!range.root.equals( path.block ) &&
+						// Do not remove a block with bookmarks. (#13465)
+						!hasBookmarks( path.block ) ) {
+						range.moveToPosition( path.block, CKEDITOR.POSITION_BEFORE_START );
+						path.block.remove();
+					}
+				} else {
+					// Auto paragraph, if needed.
+					helpers.autoParagraph( this.editor, range );
+
+					// Let's have a bogus next to the caret, if needed.
+					if ( isEmpty( range.startContainer ) )
+						range.startContainer.appendBogus();
+				}
+
+				// Merge inline siblings if any around the caret.
+				range.startContainer.mergeSiblings();
+
+				return extractedFragment;
+			},
+
+			/**
+			 * Editable element bootstrapping.
+			 *
+			 * @private
+			 */
+			setup: function() {
+				var editor = this.editor;
+
+				// Handle the load/read of editor data/snapshot.
+				this.attachListener( editor, 'beforeGetData', function() {
+					var data = this.getData();
+
+					// Post processing html output of wysiwyg editable.
+					if ( !this.is( 'textarea' ) ) {
+						// Reset empty if the document contains only one empty paragraph.
+						if ( editor.config.ignoreEmptyParagraph !== false )
+							data = data.replace( emptyParagraphRegexp, function( match, lookback ) {
+								return lookback;
+							} );
+					}
+
+					editor.setData( data, null, 1 );
+				}, this );
+
+				this.attachListener( editor, 'getSnapshot', function( evt ) {
+					evt.data = this.getData( 1 );
+				}, this );
+
+				this.attachListener( editor, 'afterSetData', function() {
+					this.setData( editor.getData( 1 ) );
+				}, this );
+				this.attachListener( editor, 'loadSnapshot', function( evt ) {
+					this.setData( evt.data, 1 );
+				}, this );
+
+				// Delegate editor focus/blur to editable.
+				this.attachListener( editor, 'beforeFocus', function() {
+					var sel = editor.getSelection(),
+						ieSel = sel && sel.getNative();
+
+					// IE considers control-type element as separate
+					// focus host when selected, avoid destroying the
+					// selection in such case. (#5812) (#8949)
+					if ( ieSel && ieSel.type == 'Control' )
+						return;
+
+					this.focus();
+				}, this );
+
+				this.attachListener( editor, 'insertHtml', function( evt ) {
+					this.insertHtml( evt.data.dataValue, evt.data.mode, evt.data.range );
+				}, this );
+				this.attachListener( editor, 'insertElement', function( evt ) {
+					this.insertElement( evt.data );
+				}, this );
+				this.attachListener( editor, 'insertText', function( evt ) {
+					this.insertText( evt.data );
+				}, this );
+
+				// Update editable state.
+				this.setReadOnly( editor.readOnly );
+
+				// The editable class.
+				this.attachClass( 'cke_editable' );
+
+				// The element mode css class.
+				if ( editor.elementMode == CKEDITOR.ELEMENT_MODE_INLINE ) {
+					this.attachClass( 'cke_editable_inline' );
+				} else if ( editor.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE ||
+					editor.elementMode == CKEDITOR.ELEMENT_MODE_APPENDTO ) {
+					this.attachClass( 'cke_editable_themed' );
+				}
+
+				this.attachClass( 'cke_contents_' + editor.config.contentsLangDirection );
+
+				// Setup editor keystroke handlers on this element.
+				var keystrokeHandler = editor.keystrokeHandler;
+
+				// If editor is read-only, then make sure that BACKSPACE key
+				// is blocked to prevent browser history navigation.
+				keystrokeHandler.blockedKeystrokes[ 8 ] = +editor.readOnly;
+
+				editor.keystrokeHandler.attach( this );
+
+				// Update focus states.
+				this.on( 'blur', function() {
+					this.hasFocus = false;
+				}, null, null, -1 );
+
+				this.on( 'focus', function() {
+					this.hasFocus = true;
+				}, null, null, -1 );
+
+				// Register to focus manager.
+				editor.focusManager.add( this );
+
+				// Inherit the initial focus on editable element.
+				if ( this.equals( CKEDITOR.document.getActive() ) ) {
+					this.hasFocus = true;
+					// Pending until this editable has attached.
+					editor.once( 'contentDom', function() {
+						editor.focusManager.focus( this );
+					}, this );
+				}
+
+				// Apply tab index on demand, with original direction saved.
+				if ( this.isInline() ) {
+
+					// tabIndex of the editable is different than editor's one.
+					// Update the attribute of the editable.
+					this.changeAttr( 'tabindex', editor.tabIndex );
+				}
+
+				// The above is all we'll be doing for a <textarea> editable.
+				if ( this.is( 'textarea' ) )
+					return;
+
+				// The DOM document which the editing acts upon.
+				editor.document = this.getDocument();
+				editor.window = this.getWindow();
+
+				var doc = editor.document;
+
+				this.changeAttr( 'spellcheck', !editor.config.disableNativeSpellChecker );
+
+				// Apply contents direction on demand, with original direction saved.
+				var dir = editor.config.contentsLangDirection;
+				if ( this.getDirection( 1 ) != dir )
+					this.changeAttr( 'dir', dir );
+
+				// Create the content stylesheet for this document.
+				var styles = CKEDITOR.getCss();
+				if ( styles ) {
+					var head = doc.getHead();
+					if ( !head.getCustomData( 'stylesheet' ) ) {
+						var sheet = doc.appendStyleText( styles );
+						sheet = new CKEDITOR.dom.element( sheet.ownerNode || sheet.owningElement );
+						head.setCustomData( 'stylesheet', sheet );
+						sheet.data( 'cke-temp', 1 );
+					}
+				}
+
+				// Update the stylesheet sharing count.
+				var ref = doc.getCustomData( 'stylesheet_ref' ) || 0;
+				doc.setCustomData( 'stylesheet_ref', ref + 1 );
+
+				// Pass this configuration to styles system.
+				this.setCustomData( 'cke_includeReadonly', !editor.config.disableReadonlyStyling );
+
+				// Prevent the browser opening read-only links. (#6032 & #10912)
+				this.attachListener( this, 'click', function( evt ) {
+					evt = evt.data;
+
+					var link = new CKEDITOR.dom.elementPath( evt.getTarget(), this ).contains( 'a' );
+
+					if ( link && evt.$.button != 2 && link.isReadOnly() )
+						evt.preventDefault();
+				} );
+
+				var backspaceOrDelete = { 8: 1, 46: 1 };
+
+				// Override keystrokes which should have deletion behavior
+				//  on fully selected element . (#4047) (#7645)
+				this.attachListener( editor, 'key', function( evt ) {
+					if ( editor.readOnly )
+						return true;
+
+					// Use getKey directly in order to ignore modifiers.
+					// Justification: http://dev.ckeditor.com/ticket/11861#comment:13
+					var keyCode = evt.data.domEvent.getKey(),
+						isHandled;
+
+					// Backspace OR Delete.
+					if ( keyCode in backspaceOrDelete ) {
+						var sel = editor.getSelection(),
+							selected,
+							range = sel.getRanges()[ 0 ],
+							path = range.startPath(),
+							block,
+							parent,
+							next,
+							rtl = keyCode == 8;
+
+						if (
+								// [IE<11] Remove selected image/anchor/etc here to avoid going back in history. (#10055)
+								( CKEDITOR.env.ie && CKEDITOR.env.version < 11 && ( selected = sel.getSelectedElement() ) ) ||
+								// Remove the entire list/table on fully selected content. (#7645)
+								( selected = getSelectedTableList( sel ) ) ) {
+							// Make undo snapshot.
+							editor.fire( 'saveSnapshot' );
+
+							// Delete any element that 'hasLayout' (e.g. hr,table) in IE8 will
+							// break up the selection, safely manage it here. (#4795)
+							range.moveToPosition( selected, CKEDITOR.POSITION_BEFORE_START );
+							// Remove the control manually.
+							selected.remove();
+							range.select();
+
+							editor.fire( 'saveSnapshot' );
+
+							isHandled = 1;
+						} else if ( range.collapsed ) {
+							// Handle the following special cases: (#6217)
+							// 1. Del/Backspace key before/after table;
+							// 2. Backspace Key after start of table.
+							if ( ( block = path.block ) &&
+									( next = block[ rtl ? 'getPrevious' : 'getNext' ]( isNotWhitespace ) ) &&
+									( next.type == CKEDITOR.NODE_ELEMENT ) &&
+									next.is( 'table' ) &&
+									range[ rtl ? 'checkStartOfBlock' : 'checkEndOfBlock' ]() ) {
+								editor.fire( 'saveSnapshot' );
+
+								// Remove the current empty block.
+								if ( range[ rtl ? 'checkEndOfBlock' : 'checkStartOfBlock' ]() )
+									block.remove();
+
+								// Move cursor to the beginning/end of table cell.
+								range[ 'moveToElementEdit' + ( rtl ? 'End' : 'Start' ) ]( next );
+								range.select();
+
+								editor.fire( 'saveSnapshot' );
+
+								isHandled = 1;
+							}
+							else if ( path.blockLimit && path.blockLimit.is( 'td' ) &&
+									( parent = path.blockLimit.getAscendant( 'table' ) ) &&
+									range.checkBoundaryOfElement( parent, rtl ? CKEDITOR.START : CKEDITOR.END ) &&
+									( next = parent[ rtl ? 'getPrevious' : 'getNext' ]( isNotWhitespace ) ) ) {
+								editor.fire( 'saveSnapshot' );
+
+								// Move cursor to the end of previous block.
+								range[ 'moveToElementEdit' + ( rtl ? 'End' : 'Start' ) ]( next );
+
+								// Remove any previous empty block.
+								if ( range.checkStartOfBlock() && range.checkEndOfBlock() )
+									next.remove();
+								else
+									range.select();
+
+								editor.fire( 'saveSnapshot' );
+
+								isHandled = 1;
+							}
+							// BACKSPACE/DEL pressed at the start/end of table cell.
+							else if ( ( parent = path.contains( [ 'td', 'th', 'caption' ] ) ) &&
+									range.checkBoundaryOfElement( parent, rtl ? CKEDITOR.START : CKEDITOR.END ) ) {
+								isHandled = 1;
+							}
+						}
+
+					}
+
+					return !isHandled;
+				} );
+
+				// On IE>=11 we need to fill blockless editable with <br> if it was deleted.
+				if ( editor.blockless && CKEDITOR.env.ie && CKEDITOR.env.needsBrFiller ) {
+					this.attachListener( this, 'keyup', function( evt ) {
+						if ( evt.data.getKeystroke() in backspaceOrDelete && !this.getFirst( isNotEmpty ) ) {
+							this.appendBogus();
+
+							// Set the selection before bogus, because IE tends to put it after.
+							var range = editor.createRange();
+							range.moveToPosition( this, CKEDITOR.POSITION_AFTER_START );
+							range.select();
+						}
+					} );
+				}
+
+				this.attachListener( this, 'dblclick', function( evt ) {
+					if ( editor.readOnly )
+						return false;
+
+					var data = { element: evt.data.getTarget() };
+					editor.fire( 'doubleclick', data );
+				} );
+
+				// Prevent automatic submission in IE #6336
+				CKEDITOR.env.ie && this.attachListener( this, 'click', blockInputClick );
+
+				// Gecko/Webkit need some help when selecting control type elements. (#3448)
+				// We apply same behavior for IE Edge. (#13386)
+				if ( !CKEDITOR.env.ie || CKEDITOR.env.edge ) {
+					this.attachListener( this, 'mousedown', function( ev ) {
+						var control = ev.data.getTarget();
+						// #11727. Note: htmlDP assures that input/textarea/select have contenteditable=false
+						// attributes. However, they also have data-cke-editable attribute, so isReadOnly() returns false,
+						// and therefore those elements are correctly selected by this code.
+						if ( control.is( 'img', 'hr', 'input', 'textarea', 'select' ) && !control.isReadOnly() ) {
+							editor.getSelection().selectElement( control );
+
+							// Prevent focus from stealing from the editable. (#9515)
+							if ( control.is( 'input', 'textarea', 'select' ) )
+								ev.data.preventDefault();
+						}
+					} );
+				}
+
+				// For some reason, after click event is done, IE Edge loses focus on the selected element. (#13386)
+				if ( CKEDITOR.env.edge ) {
+					this.attachListener( this, 'mouseup', function( ev ) {
+						var selectedElement = ev.data.getTarget();
+						if ( selectedElement && selectedElement.is( 'img' ) ) {
+							editor.getSelection().selectElement( selectedElement );
+						}
+					} );
+				}
+
+				// Prevent right click from selecting an empty block even
+				// when selection is anchored inside it. (#5845)
+				if ( CKEDITOR.env.gecko ) {
+					this.attachListener( this, 'mouseup', function( ev ) {
+						if ( ev.data.$.button == 2 ) {
+							var target = ev.data.getTarget();
+
+							if ( !target.getOuterHtml().replace( emptyParagraphRegexp, '' ) ) {
+								var range = editor.createRange();
+								range.moveToElementEditStart( target );
+								range.select( true );
+							}
+						}
+					} );
+				}
+
+				// Webkit: avoid from editing form control elements content.
+				if ( CKEDITOR.env.webkit ) {
+					// Prevent from tick checkbox/radiobox/select
+					this.attachListener( this, 'click', function( ev ) {
+						if ( ev.data.getTarget().is( 'input', 'select' ) )
+							ev.data.preventDefault();
+					} );
+
+					// Prevent from editig textfield/textarea value.
+					this.attachListener( this, 'mouseup', function( ev ) {
+						if ( ev.data.getTarget().is( 'input', 'textarea' ) )
+							ev.data.preventDefault();
+					} );
+				}
+
+				// Prevent Webkit/Blink from going rogue when joining
+				// blocks on BACKSPACE/DEL (#11861,#9998).
+				if ( CKEDITOR.env.webkit ) {
+					this.attachListener( editor, 'key', function( evt ) {
+						if ( editor.readOnly ) {
+							return true;
+						}
+
+						// Use getKey directly in order to ignore modifiers.
+						// Justification: http://dev.ckeditor.com/ticket/11861#comment:13
+						var key = evt.data.domEvent.getKey();
+
+						if ( !( key in backspaceOrDelete ) )
+							return;
+
+						var backspace = key == 8,
+							range = editor.getSelection().getRanges()[ 0 ],
+							startPath = range.startPath();
+
+						if ( range.collapsed ) {
+							if ( !mergeBlocksCollapsedSelection( editor, range, backspace, startPath ) )
+								return;
+						} else {
+							if ( !mergeBlocksNonCollapsedSelection( editor, range, startPath ) )
+								return;
+						}
+
+						// Scroll to the new position of the caret (#11960).
+						editor.getSelection().scrollIntoView();
+						editor.fire( 'saveSnapshot' );
+
+						return false;
+					}, this, null, 100 ); // Later is better – do not override existing listeners.
+				}
+			}
+		},
+
+		_: {
+			detach: function() {
+				// Update the editor cached data with current data.
+				this.editor.setData( this.editor.getData(), 0, 1 );
+
+				this.clearListeners();
+				this.restoreAttrs();
+
+				// Cleanup our custom classes.
+				var classes;
+				if ( ( classes = this.removeCustomData( 'classes' ) ) ) {
+					while ( classes.length )
+						this.removeClass( classes.pop() );
+				}
+
+				// Remove contents stylesheet from document if it's the last usage.
+				if ( !this.is( 'textarea' ) ) {
+					var doc = this.getDocument(),
+						head = doc.getHead();
+					if ( head.getCustomData( 'stylesheet' ) ) {
+						var refs = doc.getCustomData( 'stylesheet_ref' );
+						if ( !( --refs ) ) {
+							doc.removeCustomData( 'stylesheet_ref' );
+							var sheet = head.removeCustomData( 'stylesheet' );
+							sheet.remove();
+						} else {
+							doc.setCustomData( 'stylesheet_ref', refs );
+						}
+					}
+				}
+
+				this.editor.fire( 'contentDomUnload' );
+
+				// Free up the editor reference.
+				delete this.editor;
+			}
+		}
+	} );
+
+	/**
+	 * Creates, retrieves or detaches an editable element of the editor.
+	 * This method should always be used instead of calling {@link CKEDITOR.editable} directly.
+	 *
+	 * @method editable
+	 * @member CKEDITOR.editor
+	 * @param {CKEDITOR.dom.element/CKEDITOR.editable} elementOrEditable The
+	 * DOM element to become the editable or a {@link CKEDITOR.editable} object.
+	 */
+	CKEDITOR.editor.prototype.editable = function( element ) {
+		var editable = this._.editable;
+
+		// This editor has already associated with
+		// an editable element, silently fails.
+		if ( editable && element )
+			return 0;
+
+		if ( arguments.length ) {
+			editable = this._.editable = element ? ( element instanceof CKEDITOR.editable ? element : new CKEDITOR.editable( this, element ) ) :
+			// Detach the editable from editor.
+			( editable && editable.detach(), null );
+		}
+
+		// Just retrieve the editable.
+		return editable;
+	};
+
+	CKEDITOR.on( 'instanceLoaded', function( evt ) {
+		var editor = evt.editor;
+
+		// and flag that the element was locked by our code so it'll be editable by the editor functions (#6046).
+		editor.on( 'insertElement', function( evt ) {
+			var element = evt.data;
+			if ( element.type == CKEDITOR.NODE_ELEMENT && ( element.is( 'input' ) || element.is( 'textarea' ) ) ) {
+				// // The element is still not inserted yet, force attribute-based check.
+				if ( element.getAttribute( 'contentEditable' ) != 'false' )
+					element.data( 'cke-editable', element.hasAttribute( 'contenteditable' ) ? 'true' : '1' );
+				element.setAttribute( 'contentEditable', false );
+			}
+		} );
+
+		editor.on( 'selectionChange', function( evt ) {
+			if ( editor.readOnly )
+				return;
+
+			// Auto fixing on some document structure weakness to enhance usabilities. (#3190 and #3189)
+			var sel = editor.getSelection();
+			// Do it only when selection is not locked. (#8222)
+			if ( sel && !sel.isLocked ) {
+				var isDirty = editor.checkDirty();
+
+				// Lock undoM before touching DOM to prevent
+				// recording these changes as separate snapshot.
+				editor.fire( 'lockSnapshot' );
+				fixDom( evt );
+				editor.fire( 'unlockSnapshot' );
+
+				!isDirty && editor.resetDirty();
+			}
+		} );
+	} );
+
+	CKEDITOR.on( 'instanceCreated', function( evt ) {
+		var editor = evt.editor;
+
+		editor.on( 'mode', function() {
+
+			var editable = editor.editable();
+
+			// Setup proper ARIA roles and properties for inline editable, classic
+			// (iframe-based) editable is instead handled by plugin.
+			if ( editable && editable.isInline() ) {
+
+				var ariaLabel = editor.title;
+
+				editable.changeAttr( 'role', 'textbox' );
+				editable.changeAttr( 'aria-label', ariaLabel );
+
+				if ( ariaLabel )
+					editable.changeAttr( 'title', ariaLabel );
+
+				var helpLabel = editor.fire( 'ariaEditorHelpLabel', {} ).label;
+				if ( helpLabel ) {
+					// Put the voice label in different spaces, depending on element mode, so
+					// the DOM element get auto detached on mode reload or editor destroy.
+					var ct = this.ui.space( this.elementMode == CKEDITOR.ELEMENT_MODE_INLINE ? 'top' : 'contents' );
+					if ( ct ) {
+						var ariaDescId = CKEDITOR.tools.getNextId(),
+							desc = CKEDITOR.dom.element.createFromHtml( '<span id="' + ariaDescId + '" class="cke_voice_label">' + helpLabel + '</span>' );
+						ct.append( desc );
+						editable.changeAttr( 'aria-describedby', ariaDescId );
+					}
+				}
+			}
+		} );
+	} );
+
+	// #9222: Show text cursor in Gecko.
+	// Show default cursor over control elements on all non-IEs.
+	CKEDITOR.addCss( '.cke_editable{cursor:text}.cke_editable img,.cke_editable input,.cke_editable textarea{cursor:default}' );
+
+	//
+	//
+	// Bazillion helpers for the editable class and above listeners.
+	//
+	//
+
+	var isNotWhitespace = CKEDITOR.dom.walker.whitespaces( true ),
+		isNotBookmark = CKEDITOR.dom.walker.bookmark( false, true ),
+		isEmpty = CKEDITOR.dom.walker.empty(),
+		isBogus = CKEDITOR.dom.walker.bogus(),
+		// Matching an empty paragraph at the end of document.
+		emptyParagraphRegexp = /(^|<body\b[^>]*>)\s*<(p|div|address|h\d|center|pre)[^>]*>\s*(?:<br[^>]*>|&nbsp;|\u00A0|&#160;)?\s*(:?<\/\2>)?\s*(?=$|<\/body>)/gi;
+
+	// Auto-fixing block-less content by wrapping paragraph (#3190), prevent
+	// non-exitable-block by padding extra br.(#3189)
+	// Returns truly value when dom was changed, falsy otherwise.
+	function fixDom( evt ) {
+		var editor = evt.editor,
+			path = evt.data.path,
+			blockLimit = path.blockLimit,
+			selection = evt.data.selection,
+			range = selection.getRanges()[ 0 ],
+			selectionUpdateNeeded;
+
+		if ( CKEDITOR.env.gecko || ( CKEDITOR.env.ie && CKEDITOR.env.needsBrFiller ) ) {
+			var blockNeedsFiller = needsBrFiller( selection, path );
+			if ( blockNeedsFiller ) {
+				blockNeedsFiller.appendBogus();
+				// IE tends to place selection after appended bogus, so we need to
+				// select the original range (placed before bogus).
+				selectionUpdateNeeded = CKEDITOR.env.ie;
+			}
+		}
+
+		// When we're in block enter mode, a new paragraph will be established
+		// to encapsulate inline contents inside editable. (#3657)
+		// Don't autoparagraph if browser (namely - IE) incorrectly anchored selection
+		// inside non-editable content. This happens e.g. if non-editable block is the only
+		// content of editable.
+		if ( shouldAutoParagraph( editor, path.block, blockLimit ) && range.collapsed && !range.getCommonAncestor().isReadOnly() ) {
+			var testRng = range.clone();
+			testRng.enlarge( CKEDITOR.ENLARGE_BLOCK_CONTENTS );
+			var walker = new CKEDITOR.dom.walker( testRng );
+			walker.guard = function( node ) {
+				return !isNotEmpty( node ) ||
+					node.type == CKEDITOR.NODE_COMMENT ||
+					node.isReadOnly();
+			};
+
+			// 1. Inline content discovered under cursor;
+			// 2. Empty editable.
+			if ( !walker.checkForward() || testRng.checkStartOfBlock() && testRng.checkEndOfBlock() ) {
+				var fixedBlock = range.fixBlock( true, editor.activeEnterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' );
+
+				// For IE<11, we should remove any filler node which was introduced before.
+				if ( !CKEDITOR.env.needsBrFiller ) {
+					var first = fixedBlock.getFirst( isNotEmpty );
+					if ( first && isNbsp( first ) )
+						first.remove();
+				}
+
+				selectionUpdateNeeded = 1;
+
+				// Cancel this selection change in favor of the next (correct). (#6811)
+				evt.cancel();
+			}
+		}
+
+		if ( selectionUpdateNeeded )
+			range.select();
+	}
+
+	// Checks whether current selection requires br filler to be appended.
+	// @returns Block which needs filler or falsy value.
+	function needsBrFiller( selection, path ) {
+		// Fake selection does not need filler, because it is fake.
+		if ( selection.isFake )
+			return 0;
+
+		// Ensure bogus br could help to move cursor (out of styles) to the end of block. (#7041)
+		var pathBlock = path.block || path.blockLimit,
+			lastNode = pathBlock && pathBlock.getLast( isNotEmpty );
+
+		// Check some specialities of the current path block:
+		// 1. It is really displayed as block; (#7221)
+		// 2. It doesn't end with one inner block; (#7467)
+		// 3. It doesn't have bogus br yet.
+		if (
+			pathBlock && pathBlock.isBlockBoundary() &&
+			!( lastNode && lastNode.type == CKEDITOR.NODE_ELEMENT && lastNode.isBlockBoundary() ) &&
+			!pathBlock.is( 'pre' ) && !pathBlock.getBogus()
+		)
+			return pathBlock;
+	}
+
+	function blockInputClick( evt ) {
+		var element = evt.data.getTarget();
+		if ( element.is( 'input' ) ) {
+			var type = element.getAttribute( 'type' );
+			if ( type == 'submit' || type == 'reset' )
+				evt.data.preventDefault();
+		}
+	}
+
+	function isNotEmpty( node ) {
+		return isNotWhitespace( node ) && isNotBookmark( node );
+	}
+
+	function isNbsp( node ) {
+		return node.type == CKEDITOR.NODE_TEXT && CKEDITOR.tools.trim( node.getText() ).match( /^(?:&nbsp;|\xa0)$/ );
+	}
+
+	function isNotBubbling( fn, src ) {
+		return function( evt ) {
+			var other = evt.data.$.toElement || evt.data.$.fromElement || evt.data.$.relatedTarget;
+
+			// First of all, other may simply be null/undefined.
+			// Second of all, at least early versions of Spartan returned empty objects from evt.relatedTarget,
+			// so let's also check the node type.
+			other = ( other && other.nodeType == CKEDITOR.NODE_ELEMENT ) ? new CKEDITOR.dom.element( other ) : null;
+
+			if ( !( other && ( src.equals( other ) || src.contains( other ) ) ) )
+				fn.call( this, evt );
+		};
+	}
+
+	function hasBookmarks( element ) {
+		// We use getElementsByTag() instead of find() to retain compatibility with IE quirks mode.
+		var potentialBookmarks = element.getElementsByTag( 'span' ),
+			i = 0,
+			child;
+
+		if ( potentialBookmarks ) {
+			while ( ( child = potentialBookmarks.getItem( i++ ) ) ) {
+				if ( !isNotBookmark( child ) ) {
+					return true;
+				}
+			}
+		}
+
+		return false;
+	}
+
+	// Check if the entire table/list contents is selected.
+	function getSelectedTableList( sel ) {
+		var selected,
+			range = sel.getRanges()[ 0 ],
+			editable = sel.root,
+			path = range.startPath(),
+			structural = { table: 1, ul: 1, ol: 1, dl: 1 };
+
+		if ( path.contains( structural ) ) {
+			// Clone the original range.
+			var walkerRng = range.clone();
+
+			// Enlarge the range: X<ul><li>[Y]</li></ul>X => [X<ul><li>]Y</li></ul>X
+			walkerRng.collapse( 1 );
+			walkerRng.setStartAt( editable, CKEDITOR.POSITION_AFTER_START );
+
+			// Create a new walker.
+			var walker = new CKEDITOR.dom.walker( walkerRng );
+
+			// Assign a new guard to the walker.
+			walker.guard = guard();
+
+			// Go backwards checking for selected structural node.
+			walker.checkBackward();
+
+			// If there's a selected structured element when checking backwards,
+			// then check the same forwards.
+			if ( selected ) {
+				// Clone the original range.
+				walkerRng = range.clone();
+
+				// Enlarge the range (assuming <ul> is selected element from guard):
+				//
+				// 	   X<ul><li>[Y]</li></ul>X    =>    X<ul><li>Y[</li></ul>]X
+				//
+				// If the walker went deeper down DOM than a while ago when traversing
+				// backwards, then it doesn't make sense: an element must be selected
+				// symmetrically. By placing range end **after previously selected node**,
+				// we make sure we don't go no deeper in DOM when going forwards.
+				walkerRng.collapse();
+				walkerRng.setEndAt( selected, CKEDITOR.POSITION_AFTER_END );
+
+				// Create a new walker.
+				walker = new CKEDITOR.dom.walker( walkerRng );
+
+				// Assign a new guard to the walker.
+				walker.guard = guard( true );
+
+				// Reset selected node.
+				selected = false;
+
+				// Go forwards checking for selected structural node.
+				walker.checkForward();
+
+				return selected;
+			}
+		}
+
+		return null;
+
+		function guard( forwardGuard ) {
+			return function( node, isWalkOut ) {
+				// Save the encountered node as selected if going down the DOM structure
+				// and the node is structured element.
+				if ( isWalkOut && node.type == CKEDITOR.NODE_ELEMENT && node.is( structural ) )
+					selected = node;
+
+				// Stop the walker when either traversing another non-empty node at the same
+				// DOM level as in previous step.
+				// NOTE: When going forwards, stop if encountered a bogus.
+				if ( !isWalkOut && isNotEmpty( node ) && !( forwardGuard && isBogus( node ) ) )
+					return false;
+			};
+		}
+	}
+
+	// Whether in given context (pathBlock, pathBlockLimit and editor settings)
+	// editor should automatically wrap inline contents with blocks.
+	function shouldAutoParagraph( editor, pathBlock, pathBlockLimit ) {
+		// Check whether pathBlock equals pathBlockLimit to support nested editable (#12162).
+		return editor.config.autoParagraph !== false &&
+			editor.activeEnterMode != CKEDITOR.ENTER_BR &&
+			(
+				( editor.editable().equals( pathBlockLimit ) && !pathBlock ) ||
+				( pathBlock && pathBlock.getAttribute( 'contenteditable' ) == 'true' )
+			);
+	}
+
+	function autoParagraphTag( editor ) {
+		return ( editor.activeEnterMode != CKEDITOR.ENTER_BR && editor.config.autoParagraph !== false ) ? editor.activeEnterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' : false;
+	}
+
+	//
+	// Functions related to insertXXX methods
+	//
+	var insert = ( function() {
+		'use strict';
+
+		var DTD = CKEDITOR.dtd;
+
+		// Inserts the given (valid) HTML into the range position (with range content deleted),
+		// guarantee it's result to be a valid DOM tree.
+		function insert( editable, type, data, range ) {
+			var editor = editable.editor,
+				dontFilter = false;
+
+			if ( type == 'unfiltered_html' ) {
+				type = 'html';
+				dontFilter = true;
+			}
+
+			// Check range spans in non-editable.
+			if ( range.checkReadOnly() )
+				return;
+
+			// RANGE PREPARATIONS
+
+			var path = new CKEDITOR.dom.elementPath( range.startContainer, range.root ),
+				// Let root be the nearest block that's impossible to be split
+				// during html processing.
+				blockLimit = path.blockLimit || range.root,
+				// The "state" value.
+				that = {
+					type: type,
+					dontFilter: dontFilter,
+					editable: editable,
+					editor: editor,
+					range: range,
+					blockLimit: blockLimit,
+					// During pre-processing / preparations startContainer of affectedRange should be placed
+					// in this element in which inserted or moved (in case when we merge blocks) content
+					// could create situation that will need merging inline elements.
+					// Examples:
+					// <div><b>A</b>^B</div> + <b>C</b> => <div><b>A</b><b>C</b>B</div> - affected container is <div>.
+					// <p><b>A[B</b></p><p><b>C]D</b></p> + E => <p><b>AE</b></p><p><b>D</b></p> =>
+					//		<p><b>AE</b><b>D</b></p> - affected container is <p> (in text mode).
+					mergeCandidates: [],
+					zombies: []
+				};
+
+			prepareRangeToDataInsertion( that );
+
+			// DATA PROCESSING
+
+			// Select range and stop execution.
+			// If data has been totally emptied after the filtering,
+			// any insertion is pointless (#10339).
+			if ( data && processDataForInsertion( that, data ) ) {
+				// DATA INSERTION
+				insertDataIntoRange( that );
+			}
+
+			// FINAL CLEANUP
+			// Set final range position and clean up.
+
+			cleanupAfterInsertion( that );
+		}
+
+		// Prepare range to its data deletion.
+		// Delete its contents.
+		// Prepare it to insertion.
+		function prepareRangeToDataInsertion( that ) {
+			var range = that.range,
+				mergeCandidates = that.mergeCandidates,
+				node, marker, path, startPath, endPath, previous, bm;
+
+			// If range starts in inline element then insert a marker, so empty
+			// inline elements won't be removed while range.deleteContents
+			// and we will be able to move range back into this element.
+			// E.g. 'aa<b>[bb</b>]cc' -> (after deleting) 'aa<b><span/></b>cc'
+			if ( that.type == 'text' && range.shrink( CKEDITOR.SHRINK_ELEMENT, true, false ) ) {
+				marker = CKEDITOR.dom.element.createFromHtml( '<span>&nbsp;</span>', range.document );
+				range.insertNode( marker );
+				range.setStartAfter( marker );
+			}
+
+			// By using path we can recover in which element was startContainer
+			// before deleting contents.
+			// Start and endPathElements will be used to squash selected blocks, after removing
+			// selection contents. See rule 5.
+			startPath = new CKEDITOR.dom.elementPath( range.startContainer );
+			that.endPath = endPath = new CKEDITOR.dom.elementPath( range.endContainer );
+
+			if ( !range.collapsed ) {
+				// Anticipate the possibly empty block at the end of range after deletion.
+				node = endPath.block || endPath.blockLimit;
+				var ancestor = range.getCommonAncestor();
+				if ( node && !( node.equals( ancestor ) || node.contains( ancestor ) ) && range.checkEndOfBlock() ) {
+					that.zombies.push( node );
+				}
+
+				range.deleteContents();
+			}
+
+			// Rule 4.
+			// Move range into the previous block.
+			while (
+				( previous = getRangePrevious( range ) ) && checkIfElement( previous ) && previous.isBlockBoundary() &&
+				// Check if previousNode was parent of range's startContainer before deleteContents.
+				startPath.contains( previous )
+			)
+				range.moveToPosition( previous, CKEDITOR.POSITION_BEFORE_END );
+
+			// Rule 5.
+			mergeAncestorElementsOfSelectionEnds( range, that.blockLimit, startPath, endPath );
+
+			// Rule 1.
+			if ( marker ) {
+				// If marker was created then move collapsed range into its place.
+				range.setEndBefore( marker );
+				range.collapse();
+				marker.remove();
+			}
+
+			// Split inline elements so HTML will be inserted with its own styles.
+			path = range.startPath();
+			if ( ( node = path.contains( isInline, false, 1 ) ) ) {
+				range.splitElement( node );
+				that.inlineStylesRoot = node;
+				that.inlineStylesPeak = path.lastElement;
+			}
+
+			// Record inline merging candidates for later cleanup in place.
+			bm = range.createBookmark();
+
+			// 1. Inline siblings.
+			node = bm.startNode.getPrevious( isNotEmpty );
+			node && checkIfElement( node ) && isInline( node ) && mergeCandidates.push( node );
+			node = bm.startNode.getNext( isNotEmpty );
+			node && checkIfElement( node ) && isInline( node ) && mergeCandidates.push( node );
+
+			// 2. Inline parents.
+			node = bm.startNode;
+			while ( ( node = node.getParent() ) && isInline( node ) )
+				mergeCandidates.push( node );
+
+			range.moveToBookmark( bm );
+		}
+
+		function processDataForInsertion( that, data ) {
+			var range = that.range;
+
+			// Rule 8. - wrap entire data in inline styles.
+			// (e.g. <p><b>x^z</b></p> + <p>a</p><p>b</p> -> <b><p>a</p><p>b</p></b>)
+			// Incorrect tags order will be fixed by htmlDataProcessor.
+			if ( that.type == 'text' && that.inlineStylesRoot )
+				data = wrapDataWithInlineStyles( data, that );
+
+
+			var context = that.blockLimit.getName();
+
+			// Wrap data to be inserted, to avoid losing leading whitespaces
+			// when going through the below procedure.
+			if ( /^\s+|\s+$/.test( data ) && 'span' in CKEDITOR.dtd[ context ] ) {
+				var protect = '<span data-cke-marker="1">&nbsp;</span>';
+				data =  protect + data + protect;
+			}
+
+			// Process the inserted html, in context of the insertion root.
+			// Don't use the "fix for body" feature as auto paragraphing must
+			// be handled during insertion.
+			data = that.editor.dataProcessor.toHtml( data, {
+				context: null,
+				fixForBody: false,
+				protectedWhitespaces: !!protect,
+				dontFilter: that.dontFilter,
+				// Use the current, contextual settings.
+				filter: that.editor.activeFilter,
+				enterMode: that.editor.activeEnterMode
+			} );
+
+
+			// Build the node list for insertion.
+			var doc = range.document,
+				wrapper = doc.createElement( 'body' );
+
+			wrapper.setHtml( data );
+
+			// Eventually remove the temporaries.
+			if ( protect ) {
+				wrapper.getFirst().remove();
+				wrapper.getLast().remove();
+			}
+
+			// Rule 7.
+			var block = range.startPath().block;
+			if ( block &&													// Apply when there exists path block after deleting selection's content...
+				!( block.getChildCount() == 1 && block.getBogus() ) ) {		// ... and the only content of this block isn't a bogus.
+				stripBlockTagIfSingleLine( wrapper );
+			}
+
+			that.dataWrapper = wrapper;
+
+			return data;
+		}
+
+		function insertDataIntoRange( that ) {
+			var range = that.range,
+				doc = range.document,
+				path,
+				blockLimit = that.blockLimit,
+				nodesData, nodeData, node,
+				nodeIndex = 0,
+				bogus,
+				bogusNeededBlocks = [],
+				pathBlock, fixBlock,
+				splittingContainer = 0,
+				dontMoveCaret = 0,
+				insertionContainer, toSplit, newContainer,
+				startContainer = range.startContainer,
+				endContainer = that.endPath.elements[ 0 ],
+				filteredNodes,
+				// If endContainer was merged into startContainer: <p>a[b</p><p>c]d</p>
+				// or it's equal to startContainer: <p>a^b</p>
+				// or different situation happened :P
+				// then there's no separate container for the end of selection.
+				pos = endContainer.getPosition( startContainer ),
+				separateEndContainer = !!endContainer.getCommonAncestor( startContainer ) && // endC is not detached.
+					pos != CKEDITOR.POSITION_IDENTICAL && !( pos & CKEDITOR.POSITION_CONTAINS + CKEDITOR.POSITION_IS_CONTAINED ); // endC & endS are in separate branches.
+
+			nodesData = extractNodesData( that.dataWrapper, that );
+
+			removeBrsAdjacentToPastedBlocks( nodesData, range );
+
+			for ( ; nodeIndex < nodesData.length; nodeIndex++ ) {
+				nodeData = nodesData[ nodeIndex ];
+
+				// Ignore trailing <brs>
+				if ( nodeData.isLineBreak && splitOnLineBreak( range, blockLimit, nodeData ) ) {
+					// Do not move caret towards the text (in cleanupAfterInsertion),
+					// because caret was placed after a line break.
+					dontMoveCaret = nodeIndex > 0;
+					continue;
+				}
+
+				path = range.startPath();
+
+				// Auto paragraphing.
+				if ( !nodeData.isBlock && shouldAutoParagraph( that.editor, path.block, path.blockLimit ) && ( fixBlock = autoParagraphTag( that.editor ) ) ) {
+					fixBlock = doc.createElement( fixBlock );
+					fixBlock.appendBogus();
+					range.insertNode( fixBlock );
+					if ( CKEDITOR.env.needsBrFiller && ( bogus = fixBlock.getBogus() ) )
+						bogus.remove();
+					range.moveToPosition( fixBlock, CKEDITOR.POSITION_BEFORE_END );
+				}
+
+				node = range.startPath().block;
+
+				// Remove any bogus element on the current path block for now, and mark
+				// it for later compensation.
+				if ( node && !node.equals( pathBlock ) ) {
+					bogus = node.getBogus();
+					if ( bogus ) {
+						bogus.remove();
+						bogusNeededBlocks.push( node );
+					}
+
+					pathBlock = node;
+				}
+
+				// First not allowed node reached - start splitting original container
+				if ( nodeData.firstNotAllowed )
+					splittingContainer = 1;
+
+				if ( splittingContainer && nodeData.isElement ) {
+					insertionContainer = range.startContainer;
+					toSplit = null;
+
+					// Find the first ancestor that can contain current node.
+					// This one won't be split.
+					while ( insertionContainer && !DTD[ insertionContainer.getName() ][ nodeData.name ] ) {
+						if ( insertionContainer.equals( blockLimit ) ) {
+							insertionContainer = null;
+							break;
+						}
+
+						toSplit = insertionContainer;
+						insertionContainer = insertionContainer.getParent();
+					}
+
+					// If split has to be done - do it and mark both ends as a possible zombies.
+					if ( insertionContainer ) {
+						if ( toSplit ) {
+							newContainer = range.splitElement( toSplit );
+							that.zombies.push( newContainer );
+							that.zombies.push( toSplit );
+						}
+					}
+					// Unable to make the insertion happen in place, resort to the content filter.
+					else {
+						// If everything worked fine insertionContainer == blockLimit here.
+						filteredNodes = filterElement( nodeData.node, blockLimit.getName(), !nodeIndex, nodeIndex == nodesData.length - 1 );
+					}
+				}
+
+				if ( filteredNodes ) {
+					while ( ( node = filteredNodes.pop() ) )
+						range.insertNode( node );
+					filteredNodes = 0;
+				} else {
+					// Insert current node at the start of range.
+					range.insertNode( nodeData.node );
+				}
+
+				// Move range to the endContainer for the final allowed elements.
+				if ( nodeData.lastNotAllowed && nodeIndex < nodesData.length - 1 ) {
+					// If separateEndContainer exists move range there.
+					// Otherwise try to move range to container created during splitting.
+					// If this doesn't work - don't move range.
+					newContainer = separateEndContainer ? endContainer : newContainer;
+					newContainer && range.setEndAt( newContainer, CKEDITOR.POSITION_AFTER_START );
+					splittingContainer = 0;
+				}
+
+				// Collapse range after insertion to end.
+				range.collapse();
+			}
+
+			// Rule 9. Non-editable content should be selected as a whole.
+			if ( isSingleNonEditableElement( nodesData ) ) {
+				dontMoveCaret = true;
+				node = nodesData[ 0 ].node;
+				range.setStartAt( node, CKEDITOR.POSITION_BEFORE_START );
+				range.setEndAt( node, CKEDITOR.POSITION_AFTER_END );
+			}
+
+			that.dontMoveCaret = dontMoveCaret;
+			that.bogusNeededBlocks = bogusNeededBlocks;
+		}
+
+		function cleanupAfterInsertion( that ) {
+			var range = that.range,
+				node, testRange, movedIntoInline,
+				bogusNeededBlocks = that.bogusNeededBlocks,
+				// Create a bookmark to defend against the following range deconstructing operations.
+				bm = range.createBookmark();
+
+			// Remove all elements that could be created while splitting nodes
+			// with ranges at its start|end.
+			// E.g. remove <div><p></p></div>
+			// But not <div><p> </p></div>
+			// And replace <div><p><span data="cke-bookmark"/></p></div> with found bookmark.
+			while ( ( node = that.zombies.pop() ) ) {
+				// Detached element.
+				if ( !node.getParent() )
+					continue;
+
+				testRange = range.clone();
+				testRange.moveToElementEditStart( node );
+				testRange.removeEmptyBlocksAtEnd();
+			}
+
+			if ( bogusNeededBlocks ) {
+				// Bring back all block bogus nodes.
+				while ( ( node = bogusNeededBlocks.pop() ) ) {
+					if ( CKEDITOR.env.needsBrFiller )
+						node.appendBogus();
+					else
+						node.append( range.document.createText( '\u00a0' ) );
+				}
+			}
+
+			// Eventually merge identical inline elements.
+			while ( ( node = that.mergeCandidates.pop() ) )
+				node.mergeSiblings();
+
+			range.moveToBookmark( bm );
+
+			// Rule 3.
+			// Shrink range to the BEFOREEND of previous innermost editable node in source order.
+
+			if ( !that.dontMoveCaret ) {
+				node = getRangePrevious( range );
+
+				while ( node && checkIfElement( node ) && !node.is( DTD.$empty ) ) {
+					if ( node.isBlockBoundary() )
+						range.moveToPosition( node, CKEDITOR.POSITION_BEFORE_END );
+					else {
+						// Don't move into inline element (which ends with a text node)
+						// found which contains white-space at its end.
+						// If not - move range's end to the end of this element.
+						if ( isInline( node ) && node.getHtml().match( /(\s|&nbsp;)$/g ) ) {
+							movedIntoInline = null;
+							break;
+						}
+
+						movedIntoInline = range.clone();
+						movedIntoInline.moveToPosition( node, CKEDITOR.POSITION_BEFORE_END );
+					}
+
+					node = node.getLast( isNotEmpty );
+				}
+
+				movedIntoInline && range.moveToRange( movedIntoInline );
+			}
+
+		}
+
+		//
+		// HELPERS ------------------------------------------------------------
+		//
+
+		function checkIfElement( node ) {
+			return node.type == CKEDITOR.NODE_ELEMENT;
+		}
+
+		function extractNodesData( dataWrapper, that ) {
+			var node, sibling, nodeName, allowed,
+				nodesData = [],
+				startContainer = that.range.startContainer,
+				path = that.range.startPath(),
+				allowedNames = DTD[ startContainer.getName() ],
+				nodeIndex = 0,
+				nodesList = dataWrapper.getChildren(),
+				nodesCount = nodesList.count(),
+				firstNotAllowed = -1,
+				lastNotAllowed = -1,
+				lineBreak = 0,
+				blockSibling;
+
+			// Selection start within a list.
+			var insideOfList = path.contains( DTD.$list );
+
+			for ( ; nodeIndex < nodesCount; ++nodeIndex ) {
+				node = nodesList.getItem( nodeIndex );
+
+				if ( checkIfElement( node ) ) {
+					nodeName = node.getName();
+
+					// Extract only the list items, when insertion happens
+					// inside of a list, reads as rearrange list items. (#7957)
+					if ( insideOfList && nodeName in CKEDITOR.dtd.$list ) {
+						nodesData = nodesData.concat( extractNodesData( node, that ) );
+						continue;
+					}
+
+					allowed = !!allowedNames[ nodeName ];
+
+					// Mark <brs data-cke-eol="1"> at the beginning and at the end.
+					if ( nodeName == 'br' && node.data( 'cke-eol' ) && ( !nodeIndex || nodeIndex == nodesCount - 1 ) ) {
+						sibling = nodeIndex ? nodesData[ nodeIndex - 1 ].node : nodesList.getItem( nodeIndex + 1 );
+
+						// Line break has to have sibling which is not an <br>.
+						lineBreak = sibling && ( !checkIfElement( sibling ) || !sibling.is( 'br' ) );
+						// Line break has block element as a sibling.
+						blockSibling = sibling && checkIfElement( sibling ) && DTD.$block[ sibling.getName() ];
+					}
+
+					if ( firstNotAllowed == -1 && !allowed )
+						firstNotAllowed = nodeIndex;
+					if ( !allowed )
+						lastNotAllowed = nodeIndex;
+
+					nodesData.push( {
+						isElement: 1,
+						isLineBreak: lineBreak,
+						isBlock: node.isBlockBoundary(),
+						hasBlockSibling: blockSibling,
+						node: node,
+						name: nodeName,
+						allowed: allowed
+					} );
+
+					lineBreak = 0;
+					blockSibling = 0;
+				} else {
+					nodesData.push( { isElement: 0, node: node, allowed: 1 } );
+				}
+			}
+
+			// Mark first node that cannot be inserted directly into startContainer
+			// and last node for which startContainer has to be split.
+			if ( firstNotAllowed > -1 )
+				nodesData[ firstNotAllowed ].firstNotAllowed = 1;
+			if ( lastNotAllowed > -1 )
+				nodesData[ lastNotAllowed ].lastNotAllowed = 1;
+
+			return nodesData;
+		}
+
+		// TODO: Review content transformation rules on filtering element.
+		function filterElement( element, parentName, isFirst, isLast ) {
+			var nodes = filterElementInner( element, parentName ),
+				nodes2 = [],
+				nodesCount = nodes.length,
+				nodeIndex = 0,
+				node,
+				afterSpace = 0,
+				lastSpaceIndex = -1;
+
+			// Remove duplicated spaces and spaces at the:
+			// * beginnig if filtered element isFirst (isFirst that's going to be inserted)
+			// * end if filtered element isLast.
+			for ( ; nodeIndex < nodesCount; nodeIndex++ ) {
+				node = nodes[ nodeIndex ];
+
+				if ( node == ' ' ) {
+					// Don't push doubled space and if it's leading space for insertion.
+					if ( !afterSpace && !( isFirst && !nodeIndex ) ) {
+						nodes2.push( new CKEDITOR.dom.text( ' ' ) );
+						lastSpaceIndex = nodes2.length;
+					}
+					afterSpace = 1;
+				} else {
+					nodes2.push( node );
+					afterSpace = 0;
+				}
+			}
+
+			// Remove trailing space.
+			if ( isLast && lastSpaceIndex == nodes2.length )
+				nodes2.pop();
+
+			return nodes2;
+		}
+
+		function filterElementInner( element, parentName ) {
+			var nodes = [],
+				children = element.getChildren(),
+				childrenCount = children.count(),
+				child,
+				childIndex = 0,
+				allowedNames = DTD[ parentName ],
+				surroundBySpaces = !element.is( DTD.$inline ) || element.is( 'br' );
+
+			if ( surroundBySpaces )
+				nodes.push( ' ' );
+
+			for ( ; childIndex < childrenCount; childIndex++ ) {
+				child = children.getItem( childIndex );
+
+				if ( checkIfElement( child ) && !child.is( allowedNames ) )
+					nodes = nodes.concat( filterElementInner( child, parentName ) );
+				else
+					nodes.push( child );
+			}
+
+			if ( surroundBySpaces )
+				nodes.push( ' ' );
+
+			return nodes;
+		}
+
+		function getRangePrevious( range ) {
+			return checkIfElement( range.startContainer ) && range.startContainer.getChild( range.startOffset - 1 );
+		}
+
+		function isInline( node ) {
+			return node && checkIfElement( node ) && ( node.is( DTD.$removeEmpty ) || node.is( 'a' ) && !node.isBlockBoundary() );
+		}
+
+		// Checks if only non-editable element is being inserted.
+		function isSingleNonEditableElement( nodesData ) {
+			if ( nodesData.length != 1 )
+				return false;
+
+			var nodeData = nodesData[ 0 ];
+
+			return nodeData.isElement && ( nodeData.node.getAttribute( 'contenteditable' ) == 'false' );
+		}
+
+		var blockMergedTags = { p: 1, div: 1, h1: 1, h2: 1, h3: 1, h4: 1, h5: 1, h6: 1, ul: 1, ol: 1, li: 1, pre: 1, dl: 1, blockquote: 1 };
+
+		// See rule 5. in TCs.
+		// Initial situation:
+		// <ul><li>AA^</li></ul><ul><li>BB</li></ul>
+		// We're looking for 2nd <ul>, comparing with 1st <ul> and merging.
+		// We're not merging if caret is between these elements.
+		function mergeAncestorElementsOfSelectionEnds( range, blockLimit, startPath, endPath ) {
+			var walkerRange = range.clone(),
+				walker, nextNode, previousNode;
+
+			walkerRange.setEndAt( blockLimit, CKEDITOR.POSITION_BEFORE_END );
+			walker = new CKEDITOR.dom.walker( walkerRange );
+
+			if ( ( nextNode = walker.next() ) &&							// Find next source node
+				checkIfElement( nextNode ) &&								// which is an element
+				blockMergedTags[ nextNode.getName() ] &&					// that can be merged.
+				( previousNode = nextNode.getPrevious() ) &&				// Take previous one
+				checkIfElement( previousNode ) &&							// which also has to be an element.
+				!previousNode.getParent().equals( range.startContainer ) && // Fail if caret is on the same level.
+																			// This means that caret is between these nodes.
+				startPath.contains( previousNode ) &&						// Elements path of start of selection has
+				endPath.contains( nextNode ) &&								// to contain prevNode and vice versa.
+				nextNode.isIdentical( previousNode )						// Check if elements are identical.
+			) {
+				// Merge blocks and repeat.
+				nextNode.moveChildren( previousNode );
+				nextNode.remove();
+				mergeAncestorElementsOfSelectionEnds( range, blockLimit, startPath, endPath );
+			}
+		}
+
+		// If last node that will be inserted is a block (but not a <br>)
+		// and it will be inserted right before <br> remove this <br>.
+		// Do the same for the first element that will be inserted and preceding <br>.
+		function removeBrsAdjacentToPastedBlocks( nodesData, range ) {
+			var succeedingNode = range.endContainer.getChild( range.endOffset ),
+				precedingNode = range.endContainer.getChild( range.endOffset - 1 );
+
+			if ( succeedingNode )
+				remove( succeedingNode, nodesData[ nodesData.length - 1 ] );
+
+			if ( precedingNode && remove( precedingNode, nodesData[ 0 ] ) ) {
+				// If preceding <br> was removed - move range left.
+				range.setEnd( range.endContainer, range.endOffset - 1 );
+				range.collapse();
+			}
+
+			function remove( maybeBr, maybeBlockData ) {
+				if ( maybeBlockData.isBlock && maybeBlockData.isElement && !maybeBlockData.node.is( 'br' ) &&
+					checkIfElement( maybeBr ) && maybeBr.is( 'br' ) ) {
+					maybeBr.remove();
+					return 1;
+				}
+			}
+		}
+
+		// Return 1 if <br> should be skipped when inserting, 0 otherwise.
+		function splitOnLineBreak( range, blockLimit, nodeData ) {
+			var firstBlockAscendant, pos;
+
+			if ( nodeData.hasBlockSibling )
+				return 1;
+
+			firstBlockAscendant = range.startContainer.getAscendant( DTD.$block, 1 );
+			if ( !firstBlockAscendant || !firstBlockAscendant.is( { div: 1, p: 1 } ) )
+				return 0;
+
+			pos = firstBlockAscendant.getPosition( blockLimit );
+
+			if ( pos == CKEDITOR.POSITION_IDENTICAL || pos == CKEDITOR.POSITION_CONTAINS )
+				return 0;
+
+			var newContainer = range.splitElement( firstBlockAscendant );
+			range.moveToPosition( newContainer, CKEDITOR.POSITION_AFTER_START );
+
+			return 1;
+		}
+
+		var stripSingleBlockTags = { p: 1, div: 1, h1: 1, h2: 1, h3: 1, h4: 1, h5: 1, h6: 1 },
+			inlineButNotBr = CKEDITOR.tools.extend( {}, DTD.$inline );
+		delete inlineButNotBr.br;
+
+		// Rule 7.
+		function stripBlockTagIfSingleLine( dataWrapper ) {
+			var block, children;
+
+			if ( dataWrapper.getChildCount() == 1 &&					// Only one node bein inserted.
+				checkIfElement( block = dataWrapper.getFirst() ) &&		// And it's an element.
+				block.is( stripSingleBlockTags ) &&						// That's <p> or <div> or header.
+				!block.hasAttribute( 'contenteditable' )				// It's not a non-editable block or nested editable.
+			) {
+				// Check children not containing block.
+				children = block.getElementsByTag( '*' );
+				for ( var i = 0, child, count = children.count(); i < count; i++ ) {
+					child = children.getItem( i );
+					if ( !child.is( inlineButNotBr ) )
+						return;
+				}
+
+				block.moveChildren( block.getParent( 1 ) );
+				block.remove();
+			}
+		}
+
+		function wrapDataWithInlineStyles( data, that ) {
+			var element = that.inlineStylesPeak,
+				doc = element.getDocument(),
+				wrapper = doc.createText( '{cke-peak}' ),
+				limit = that.inlineStylesRoot.getParent();
+
+			while ( !element.equals( limit ) ) {
+				wrapper = wrapper.appendTo( element.clone() );
+				element = element.getParent();
+			}
+
+			// Don't use String.replace because it fails in IE7 if special replacement
+			// characters ($$, $&, etc.) are in data (#10367).
+			return wrapper.getOuterHtml().split( '{cke-peak}' ).join( data );
+		}
+
+		return insert;
+	} )();
+
+	function afterInsert( editable ) {
+		var editor = editable.editor;
+
+		// Scroll using selection, not ranges, to affect native pastes.
+		editor.getSelection().scrollIntoView();
+
+		// Save snaps after the whole execution completed.
+		// This's a workaround for make DOM modification's happened after
+		// 'insertElement' to be included either, e.g. Form-based dialogs' 'commitContents'
+		// call.
+		setTimeout( function() {
+			editor.fire( 'saveSnapshot' );
+		}, 0 );
+	}
+
+	// 1. Fixes a range which is a result of deleteContents() and is placed in an intermediate element (see dtd.$intermediate),
+	// inside a table. A goal is to find a closest <td> or <th> element and when this fails, recreate the structure of the table.
+	// 2. Fixes empty cells by appending bogus <br>s or deleting empty text nodes in IE<=8 case.
+	var fixTableAfterContentsDeletion = ( function() {
+		// Creates an element walker which can only "go deeper". It won't
+		// move out from any element. Therefore it can be used to find <td>x</td> in cases like:
+		// <table><tbody><tr><td>x</td></tr></tbody>^<tfoot>...
+		function getFixTableSelectionWalker( testRange ) {
+			var walker = new CKEDITOR.dom.walker( testRange );
+			walker.guard = function( node, isMovingOut ) {
+				if ( isMovingOut )
+					return false;
+				if ( node.type == CKEDITOR.NODE_ELEMENT )
+					return node.is( CKEDITOR.dtd.$tableContent );
+			};
+			walker.evaluator = function( node ) {
+				return node.type == CKEDITOR.NODE_ELEMENT;
+			};
+
+			return walker;
+		}
+
+		function fixTableStructure( element, newElementName, appendToStart ) {
+			var temp = element.getDocument().createElement( newElementName );
+			element.append( temp, appendToStart );
+			return temp;
+		}
+
+		// Fix empty cells. This means:
+		// * add bogus <br> if browser needs it
+		// * remove empty text nodes on IE8, because it will crash (http://dev.ckeditor.com/ticket/11183#comment:8).
+		function fixEmptyCells( cells ) {
+			var i = cells.count(),
+				cell;
+
+			for ( i; i-- > 0; ) {
+				cell = cells.getItem( i );
+
+				if ( !CKEDITOR.tools.trim( cell.getHtml() ) ) {
+					cell.appendBogus();
+					if ( CKEDITOR.env.ie && CKEDITOR.env.version < 9 && cell.getChildCount() )
+						cell.getFirst().remove();
+				}
+			}
+		}
+
+		return function( range ) {
+			var container = range.startContainer,
+				table = container.getAscendant( 'table', 1 ),
+				testRange,
+				deeperSibling,
+				appendToStart = false;
+
+			fixEmptyCells( table.getElementsByTag( 'td' ) );
+			fixEmptyCells( table.getElementsByTag( 'th' ) );
+
+			// Look left.
+			testRange = range.clone();
+			testRange.setStart( container, 0 );
+			deeperSibling = getFixTableSelectionWalker( testRange ).lastBackward();
+
+			// If left is empty, look right.
+			if ( !deeperSibling ) {
+				testRange = range.clone();
+				testRange.setEndAt( container, CKEDITOR.POSITION_BEFORE_END );
+				deeperSibling = getFixTableSelectionWalker( testRange ).lastForward();
+				appendToStart = true;
+			}
+
+			// If there's no deeper nested element in both direction - container is empty - we'll use it then.
+			if ( !deeperSibling )
+				deeperSibling = container;
+
+			// Fix structure...
+
+			// We found a table what means that it's empty - remove it completely.
+			if ( deeperSibling.is( 'table' ) ) {
+				range.setStartAt( deeperSibling, CKEDITOR.POSITION_BEFORE_START );
+				range.collapse( true );
+				deeperSibling.remove();
+				return;
+			}
+
+			// Found an empty txxx element - append tr.
+			if ( deeperSibling.is( { tbody: 1, thead: 1, tfoot: 1 } ) )
+				deeperSibling = fixTableStructure( deeperSibling, 'tr', appendToStart );
+
+			// Found an empty tr element - append td/th.
+			if ( deeperSibling.is( 'tr' ) )
+				deeperSibling = fixTableStructure( deeperSibling, deeperSibling.getParent().is( 'thead' ) ? 'th' : 'td', appendToStart );
+
+			// To avoid setting selection after bogus, remove it from the current cell.
+			// We can safely do that, because we'll insert element into that cell.
+			var bogus = deeperSibling.getBogus();
+			if ( bogus )
+				bogus.remove();
+
+			range.moveToPosition( deeperSibling, appendToStart ? CKEDITOR.POSITION_AFTER_START : CKEDITOR.POSITION_BEFORE_END );
+		};
+	} )();
+
+	function mergeBlocksCollapsedSelection( editor, range, backspace, startPath ) {
+		var startBlock = startPath.block;
+
+		// Selection must be collapsed and to be anchored in a block.
+		if ( !startBlock )
+			return false;
+
+		// Exclude cases where, i.e. if pressed arrow key, selection
+		// would move within the same block (merge inside a block).
+		if ( !range[ backspace ? 'checkStartOfBlock' : 'checkEndOfBlock' ]() )
+			return false;
+
+		// Make sure, there's an editable position to put selection,
+		// which i.e. would be used if pressed arrow key, but abort
+		// if such position exists but means a selected non-editable element.
+		if ( !range.moveToClosestEditablePosition( startBlock, !backspace ) || !range.collapsed )
+			return false;
+
+		// Handle special case, when block's sibling is a <hr>. Delete it and keep selection
+		// in the same place (http://dev.ckeditor.com/ticket/11861#comment:9).
+		if ( range.startContainer.type == CKEDITOR.NODE_ELEMENT ) {
+			var touched = range.startContainer.getChild( range.startOffset - ( backspace ? 1 : 0 ) );
+			if ( touched && touched.type  == CKEDITOR.NODE_ELEMENT && touched.is( 'hr' ) ) {
+				editor.fire( 'saveSnapshot' );
+				touched.remove();
+				return true;
+			}
+		}
+
+		var siblingBlock = range.startPath().block;
+
+		// Abort if an editable position exists, but either it's not
+		// in a block or that block is the parent of the start block
+		// (merging child into parent).
+		if ( !siblingBlock || ( siblingBlock && siblingBlock.contains( startBlock ) ) )
+			return;
+
+		editor.fire( 'saveSnapshot' );
+
+		// Remove bogus to avoid duplicated boguses.
+		var bogus;
+		if ( ( bogus = ( backspace ? siblingBlock : startBlock ).getBogus() ) )
+			bogus.remove();
+
+		// Save selection. It will be restored.
+		var selection = editor.getSelection(),
+			bookmarks = selection.createBookmarks();
+
+		// Merge blocks.
+		( backspace ? startBlock : siblingBlock ).moveChildren( backspace ? siblingBlock : startBlock, false );
+
+		// Also merge children along with parents.
+		startPath.lastElement.mergeSiblings();
+
+		// Cut off removable branch of the DOM tree.
+		pruneEmptyDisjointAncestors( startBlock, siblingBlock, !backspace );
+
+		// Restore selection.
+		selection.selectBookmarks( bookmarks );
+
+		return true;
+	}
+
+	function mergeBlocksNonCollapsedSelection( editor, range, startPath ) {
+		var startBlock = startPath.block,
+			endPath = range.endPath(),
+			endBlock = endPath.block;
+
+		// Selection must be anchored in two different blocks.
+		if ( !startBlock || !endBlock || startBlock.equals( endBlock ) )
+			return false;
+
+		editor.fire( 'saveSnapshot' );
+
+		// Remove bogus to avoid duplicated boguses.
+		var bogus;
+		if ( ( bogus = startBlock.getBogus() ) )
+			bogus.remove();
+
+		// Changing end container to element from text node (#12503).
+		range.enlarge( CKEDITOR.ENLARGE_INLINE );
+
+		// Delete range contents. Do NOT merge. Merging is weird.
+		range.deleteContents();
+
+		// If something has left of the block to be merged, clean it up.
+		// It may happen when merging with list items.
+		if ( endBlock.getParent() ) {
+			// Move children to the first block.
+			endBlock.moveChildren( startBlock, false );
+
+			// ...and merge them if that's possible.
+			startPath.lastElement.mergeSiblings();
+
+			// If expanded selection, things are always merged like with BACKSPACE.
+			pruneEmptyDisjointAncestors( startBlock, endBlock, true );
+		}
+
+		// Make sure the result selection is collapsed.
+		range = editor.getSelection().getRanges()[ 0 ];
+		range.collapse( 1 );
+
+		// Optimizing range containers from text nodes to elements (#12503).
+		range.optimize();
+		if ( range.startContainer.getHtml() === '' ) {
+			range.startContainer.appendBogus();
+		}
+
+		range.select();
+
+		return true;
+	}
+
+	// Finds the innermost child of common parent, which,
+	// if removed, removes nothing but the contents of the element.
+	//
+	//	before: <div><p><strong>first</strong></p><p>second</p></div>
+	//	after:  <div><p>second</p></div>
+	//
+	//	before: <div><p>x<strong>first</strong></p><p>second</p></div>
+	//	after:  <div><p>x</p><p>second</p></div>
+	//
+	//	isPruneToEnd=true
+	//	before: <div><p><strong>first</strong></p><p>second</p></div>
+	//	after:  <div><p><strong>first</strong></p></div>
+	//
+	// @param {CKEDITOR.dom.element} first
+	// @param {CKEDITOR.dom.element} second
+	// @param {Boolean} isPruneToEnd
+	function pruneEmptyDisjointAncestors( first, second, isPruneToEnd ) {
+		var commonParent = first.getCommonAncestor( second ),
+			node = isPruneToEnd ? second : first,
+			removableParent = node;
+
+		while ( ( node = node.getParent() ) && !commonParent.equals( node ) && node.getChildCount() == 1 )
+			removableParent = node;
+
+		removableParent.remove();
+	}
+
+	//
+	// Helpers for editable.getHtmlFromRange.
+	//
+	var getHtmlFromRangeHelpers = {
+		eol: {
+			detect: function( that, editable ) {
+				var range = that.range,
+					rangeStart = range.clone(),
+					rangeEnd = range.clone(),
+
+					startPath = new CKEDITOR.dom.elementPath( range.startContainer, editable ),
+					endPath = new CKEDITOR.dom.elementPath( range.endContainer, editable );
+
+				// Note: checkBoundaryOfElement will not work on original range as CKEDITOR.START|END
+				// means that range start|end must be literally anchored at block start|end, e.g.
+				//
+				// 		<p>a{</p><p>}b</p>
+				//
+				// will return false for both paragraphs but two similar ranges
+				//
+				// 		<p>a{}</p><p>{}b</p>
+				//
+				// will return true if checked separately.
+				rangeStart.collapse( 1 );
+				rangeEnd.collapse();
+
+				if ( startPath.block && rangeStart.checkBoundaryOfElement( startPath.block, CKEDITOR.END ) ) {
+					range.setStartAfter( startPath.block );
+					that.prependEolBr = 1;
+				}
+
+				if ( endPath.block && rangeEnd.checkBoundaryOfElement( endPath.block, CKEDITOR.START ) ) {
+					range.setEndBefore( endPath.block );
+					that.appendEolBr = 1;
+				}
+			},
+
+			fix: function( that, editable ) {
+				var doc = editable.getDocument(),
+					appended;
+
+				// Append <br data-cke-eol="1"> to the fragment.
+				if ( that.appendEolBr ) {
+					appended = this.createEolBr( doc );
+					that.fragment.append( appended );
+				}
+
+				// Prepend <br data-cke-eol="1"> to the fragment but avoid duplicates. Such
+				// elements should never follow each other in DOM.
+				if ( that.prependEolBr && ( !appended || appended.getPrevious() ) ) {
+					that.fragment.append( this.createEolBr( doc ), 1 );
+				}
+			},
+
+			createEolBr: function( doc ) {
+				return doc.createElement( 'br', {
+					attributes: {
+						'data-cke-eol': 1
+					}
+				} );
+			}
+		},
+
+		bogus: {
+			exclude: function( that ) {
+				var boundaryNodes = that.range.getBoundaryNodes(),
+					startNode = boundaryNodes.startNode,
+					endNode = boundaryNodes.endNode;
+
+				// If bogus is the last node in range but not the only node, exclude it.
+				if ( endNode && isBogus( endNode ) && ( !startNode || !startNode.equals( endNode ) ) )
+					that.range.setEndBefore( endNode );
+			}
+		},
+
+		tree: {
+			rebuild: function( that, editable ) {
+				var range = that.range,
+					node = range.getCommonAncestor(),
+
+					// A path relative to the common ancestor.
+					commonPath = new CKEDITOR.dom.elementPath( node, editable ),
+					startPath = new CKEDITOR.dom.elementPath( range.startContainer, editable ),
+					endPath = new CKEDITOR.dom.elementPath( range.endContainer, editable ),
+					limit;
+
+				if ( node.type == CKEDITOR.NODE_TEXT )
+					node = node.getParent();
+
+				// Fix DOM of partially enclosed tables
+				// 		<table><tbody><tr><td>a{b</td><td>c}d</td></tr></tbody></table>
+				// Full table is returned
+				// 		<table><tbody><tr><td>b</td><td>c</td></tr></tbody></table>
+				// instead of
+				// 		<td>b</td><td>c</td>
+				if ( commonPath.blockLimit.is( { tr: 1, table: 1 } ) ) {
+					var tableParent = commonPath.contains( 'table' ).getParent();
+
+					limit = function( node ) {
+						return !node.equals( tableParent );
+					};
+				}
+
+				// Fix DOM in the following case
+				// 		<ol><li>a{b<ul><li>c}d</li></ul></li></ol>
+				// Full list is returned
+				// 		<ol><li>b<ul><li>c</li></ul></li></ol>
+				// instead of
+				// 		b<ul><li>c</li></ul>
+				else if ( commonPath.block && commonPath.block.is( CKEDITOR.dtd.$listItem ) ) {
+					var startList = startPath.contains( CKEDITOR.dtd.$list ),
+						endList = endPath.contains( CKEDITOR.dtd.$list );
+
+					if ( !startList.equals( endList ) ) {
+						var listParent = commonPath.contains( CKEDITOR.dtd.$list ).getParent();
+
+						limit = function( node ) {
+							return !node.equals( listParent );
+						};
+					}
+				}
+
+				// If not defined, use generic limit function.
+				if ( !limit ) {
+					limit = function( node ) {
+						return !node.equals( commonPath.block ) && !node.equals( commonPath.blockLimit );
+					};
+				}
+
+				this.rebuildFragment( that, editable, node, limit );
+			},
+
+			rebuildFragment: function( that, editable, node, checkLimit ) {
+				var clone;
+
+				while ( node && !node.equals( editable ) && checkLimit( node ) ) {
+					// Don't clone children. Preserve element ids.
+					clone = node.clone( 0, 1 );
+					that.fragment.appendTo( clone );
+					that.fragment = clone;
+
+					node = node.getParent();
+				}
+			}
+		},
+
+		cell: {
+			// Handle range anchored in table row with a single cell enclosed:
+			// 		<table><tbody><tr>[<td>a</td>]</tr></tbody></table>
+			// becomes
+			// 		<table><tbody><tr><td>{a}</td></tr></tbody></table>
+			shrink: function( that ) {
+				var range = that.range,
+					startContainer = range.startContainer,
+					endContainer = range.endContainer,
+					startOffset = range.startOffset,
+					endOffset = range.endOffset;
+
+				if ( startContainer.type == CKEDITOR.NODE_ELEMENT && startContainer.equals( endContainer ) && startContainer.is( 'tr' ) && ++startOffset == endOffset ) {
+					range.shrink( CKEDITOR.SHRINK_TEXT );
+				}
+			}
+		}
+	};
+
+	//
+	// Helpers for editable.extractHtmlFromRange.
+	//
+	var extractHtmlFromRangeHelpers = ( function() {
+		function optimizeBookmarkNode( node, toStart ) {
+			var parent = node.getParent();
+
+			if ( parent.is( CKEDITOR.dtd.$inline ) )
+				node[ toStart ? 'insertBefore' : 'insertAfter' ]( parent );
+		}
+
+		function mergeElements( merged, startBookmark, endBookmark ) {
+			optimizeBookmarkNode( startBookmark );
+			optimizeBookmarkNode( endBookmark, 1 );
+
+			var next;
+			while ( ( next = endBookmark.getNext() ) ) {
+				next.insertAfter( startBookmark );
+
+				// Update startBookmark after insertion to avoid the reversal of nodes (#13449).
+				startBookmark = next;
+			}
+
+			if ( isEmpty( merged ) )
+				merged.remove();
+		}
+
+		function getPath( startElement, root ) {
+			return new CKEDITOR.dom.elementPath( startElement, root );
+		}
+
+		// Creates a range from a bookmark without removing the bookmark.
+		function createRangeFromBookmark( root, bookmark ) {
+			var range = new CKEDITOR.dom.range( root );
+			range.setStartAfter( bookmark.startNode );
+			range.setEndBefore( bookmark.endNode );
+			return range;
+		}
+
+		var list = {
+			detectMerge: function( that, editable ) {
+				var range = createRangeFromBookmark( editable, that.bookmark ),
+					startPath = range.startPath(),
+					endPath = range.endPath(),
+
+					startList = startPath.contains( CKEDITOR.dtd.$list ),
+					endList = endPath.contains( CKEDITOR.dtd.$list );
+
+				that.mergeList =
+					// Both lists must exist
+					startList && endList &&
+					// ...and be of the same type
+					// startList.getName() == endList.getName() &&
+					// ...and share the same parent (same level in the tree)
+					startList.getParent().equals( endList.getParent() ) &&
+					// ...and must be different.
+					!startList.equals( endList );
+
+				that.mergeListItems =
+					startPath.block && endPath.block &&
+					// Both containers must be list items
+					startPath.block.is( CKEDITOR.dtd.$listItem ) && endPath.block.is( CKEDITOR.dtd.$listItem );
+
+				// Create merge bookmark.
+				if ( that.mergeList || that.mergeListItems ) {
+					var rangeClone = range.clone();
+
+					rangeClone.setStartBefore( that.bookmark.startNode );
+					rangeClone.setEndAfter( that.bookmark.endNode );
+
+					that.mergeListBookmark = rangeClone.createBookmark();
+				}
+			},
+
+			merge: function( that, editable ) {
+				if ( !that.mergeListBookmark )
+					return;
+
+				var startNode = that.mergeListBookmark.startNode,
+					endNode = that.mergeListBookmark.endNode,
+
+					startPath = getPath( startNode, editable ),
+					endPath = getPath( endNode, editable );
+
+				if ( that.mergeList ) {
+					var firstList = startPath.contains( CKEDITOR.dtd.$list ),
+						secondList = endPath.contains( CKEDITOR.dtd.$list );
+
+					if ( !firstList.equals( secondList ) ) {
+						secondList.moveChildren( firstList );
+						secondList.remove();
+					}
+				}
+
+				if ( that.mergeListItems ) {
+					var firstListItem = startPath.contains( CKEDITOR.dtd.$listItem ),
+						secondListItem = endPath.contains( CKEDITOR.dtd.$listItem );
+
+					if ( !firstListItem.equals( secondListItem ) ) {
+						mergeElements( secondListItem, startNode, endNode );
+					}
+				}
+
+				// Remove bookmark nodes.
+				startNode.remove();
+				endNode.remove();
+			}
+		};
+
+		var block = {
+			// Detects whether blocks should be merged once contents are extracted.
+			detectMerge: function( that, editable ) {
+				// Don't merge blocks if lists or tables are already involved.
+				if ( that.tableContentsRanges || that.mergeListBookmark )
+					return;
+
+				var rangeClone = new CKEDITOR.dom.range( editable );
+
+				rangeClone.setStartBefore( that.bookmark.startNode );
+				rangeClone.setEndAfter( that.bookmark.endNode );
+
+				that.mergeBlockBookmark = rangeClone.createBookmark();
+			},
+
+			merge: function( that, editable ) {
+				if ( !that.mergeBlockBookmark || that.purgeTableBookmark )
+					return;
+
+				var startNode = that.mergeBlockBookmark.startNode,
+					endNode = that.mergeBlockBookmark.endNode,
+
+					startPath = getPath( startNode, editable ),
+					endPath = getPath( endNode, editable ),
+
+					firstBlock = startPath.block,
+					secondBlock = endPath.block;
+
+				if ( firstBlock && secondBlock && !firstBlock.equals( secondBlock ) ) {
+					mergeElements( secondBlock, startNode, endNode );
+				}
+
+				// Remove bookmark nodes.
+				startNode.remove();
+				endNode.remove();
+			}
+		};
+
+		var table = ( function() {
+			var tableEditable = { td: 1, th: 1, caption: 1 };
+
+			// Returns an array of ranges which should be entirely extracted.
+			//
+			// <table><tr>[<td>xx</td><td>y}y</td></tr></table>
+			// will find:
+			// <table><tr><td>[xx]</td><td>[y}y</td></tr></table>
+			function findTableContentsRanges( range ) {
+				// Leaving the below for debugging purposes.
+				//
+				// console.log( 'findTableContentsRanges' );
+				// console.log( bender.tools.range.getWithHtml( range.root, range ) );
+
+				var contentsRanges = [],
+					editableRange,
+					walker = new CKEDITOR.dom.walker( range ),
+					startCell = range.startPath().contains( tableEditable ),
+					endCell = range.endPath().contains( tableEditable ),
+					database = {};
+
+				walker.guard = function( node, leaving ) {
+					// Guard may be executed on some node boundaries multiple times,
+					// what results in creating more than one range for each selected cell. (#12964)
+					if ( node.type == CKEDITOR.NODE_ELEMENT ) {
+						var key = 'visited_' + ( leaving ? 'out' : 'in' );
+						if ( node.getCustomData( key ) ) {
+							return;
+						}
+
+						CKEDITOR.dom.element.setMarker( database, node, key, 1 );
+					}
+
+					// Handle partial selection in a cell in which the range starts:
+					// <td><p>x{xx</p></td>...
+					// will store:
+					// <td><p>x{xx</p>]</td>
+					if ( leaving && startCell && node.equals( startCell ) ) {
+						editableRange = range.clone();
+						editableRange.setEndAt( startCell, CKEDITOR.POSITION_BEFORE_END );
+						contentsRanges.push( editableRange );
+						return;
+					}
+
+					// Handle partial selection in a cell in which the range ends.
+					if ( !leaving && endCell && node.equals( endCell ) ) {
+						editableRange = range.clone();
+						editableRange.setStartAt( endCell, CKEDITOR.POSITION_AFTER_START );
+						contentsRanges.push( editableRange );
+						return;
+					}
+
+					// Handle all other cells visited by the walker.
+					// We need to check whether the cell is disjoint with
+					// the start and end cells to correctly handle case like:
+					// <td>x{x</td><td><table>..<td>y}y</td>..</table></td>
+					// without the check the second cell's content would be entirely removed.
+					if ( !leaving && checkRemoveCellContents( node ) ) {
+						editableRange = range.clone();
+						editableRange.selectNodeContents( node );
+						contentsRanges.push( editableRange );
+					}
+				};
+
+				walker.lastForward();
+
+				// Clear all markers so next extraction will not be affected by this one.
+				CKEDITOR.dom.element.clearAllMarkers( database );
+
+				return contentsRanges;
+
+				function checkRemoveCellContents( node ) {
+					return (
+						// Must be a cell.
+						node.type == CKEDITOR.NODE_ELEMENT && node.is( tableEditable ) &&
+						// Must be disjoint with the range's startCell if exists.
+						( !startCell || checkDisjointNodes( node, startCell ) ) &&
+						// Must be disjoint with the range's endCell if exists.
+						( !endCell || checkDisjointNodes( node, endCell ) )
+					);
+				}
+			}
+
+			// Returns a normalized common ancestor of a range.
+			// If the real common ancestor is located somewhere in between a table and a td/th/caption,
+			// then the table will be returned.
+			function getNormalizedAncestor( range ) {
+				var common = range.getCommonAncestor();
+
+				if ( common.is( CKEDITOR.dtd.$tableContent ) && !common.is( tableEditable ) ) {
+					common = common.getAscendant( 'table', true );
+				}
+
+				return common;
+			}
+
+			// Check whether node1 and node2 are disjoint, so are:
+			// * not identical,
+			// * not contained in each other.
+			function checkDisjointNodes( node1, node2 ) {
+				var disallowedPositions = CKEDITOR.POSITION_CONTAINS + CKEDITOR.POSITION_IS_CONTAINED,
+					pos = node1.getPosition( node2 );
+
+				// Baaah... IDENTICAL is 0, so we can't simplify this ;/.
+				return pos === CKEDITOR.POSITION_IDENTICAL ?
+					false :
+					( ( pos & disallowedPositions ) === 0 );
+			}
+
+			return {
+				// Detects whether to purge entire list.
+				detectPurge: function( that ) {
+					var range = that.range,
+						walkerRange = range.clone();
+
+					walkerRange.enlarge( CKEDITOR.ENLARGE_ELEMENT );
+
+					var walker = new CKEDITOR.dom.walker( walkerRange ),
+						editablesCount = 0;
+
+					// Count the number of table editables in the range. If there's more than one,
+					// table MAY be removed completely (it's a cross-cell range). Otherwise, only
+					// the contents of the cell are usually removed.
+					walker.evaluator = function( node ) {
+						if ( node.type == CKEDITOR.NODE_ELEMENT && node.is( tableEditable ) ) {
+							++editablesCount;
+						}
+					};
+
+					walker.checkForward();
+
+					if ( editablesCount > 1 ) {
+						var startTable = range.startPath().contains( 'table' ),
+							endTable = range.endPath().contains( 'table' );
+
+						if ( startTable && endTable && range.checkBoundaryOfElement( startTable, CKEDITOR.START ) && range.checkBoundaryOfElement( endTable, CKEDITOR.END ) ) {
+							var rangeClone = that.range.clone();
+
+							rangeClone.setStartBefore( startTable );
+							rangeClone.setEndAfter( endTable );
+
+							that.purgeTableBookmark = rangeClone.createBookmark();
+						}
+					}
+				},
+
+				// The magic.
+				//
+				// This method tries to discover whether the range starts or ends somewhere in a table
+				// (it is not interested whether the range contains a table, because in such case
+				// the extractContents() methods does the job correctly).
+				// If the range meets these criteria, then the method tries to discover and store the following:
+				//
+				// * that.tableSurroundingRange - a part of the range which is located outside of any table which
+				// will be touched (note: when range is located in a single cell it does not touch the table).
+				// This range can be placed at:
+				//		* at the beginning: <p>he{re</p><table>..]..</table>
+				//		* in the middle: <table>..[..</table><p>here</p><table>..]..</table>
+				//		* at the end: <table>..[..</table><p>he}re</p>
+				// * that.tableContentsRanges - an array of ranges with contents of td/th/caption that should be removed.
+				// This assures that calling extractContents() does not change the structure of the table(s).
+				detectRanges: function( that, editable ) {
+					var range = createRangeFromBookmark( editable, that.bookmark ),
+						surroundingRange = range.clone(),
+						leftRange,
+						rightRange,
+
+						// Find a common ancestor and normalize it (so the following paths contain tables).
+						commonAncestor = getNormalizedAncestor( range ),
+
+						// Create paths using the normalized ancestor, so tables beyond the context
+						// of the input range are not found.
+						startPath = new CKEDITOR.dom.elementPath( range.startContainer, commonAncestor ),
+						endPath = new CKEDITOR.dom.elementPath( range.endContainer, commonAncestor ),
+
+						startTable = startPath.contains( 'table' ),
+						endTable = endPath.contains( 'table' ),
+
+						tableContentsRanges;
+
+					// Nothing to do here - the range doesn't touch any table or
+					// it contains a table, but that table is fully selected so it will be simply fully removed
+					// by the normal algorithm.
+					if ( !startTable && !endTable ) {
+						return;
+					}
+
+					// Handle two disjoint tables case:
+					// <table>..[..</table><p>ab</p><table>..]..</table>
+					// is handled as (respectively: findTableContents( left ), surroundingRange, findTableContents( right )):
+					// <table>..[..</table>][<p>ab</p>][<table>..]..</table>
+					// Check that tables are disjoint to exclude a case when start equals end or one is contained
+					// in the other.
+					if ( startTable && endTable && checkDisjointNodes( startTable, endTable ) ) {
+						that.tableSurroundingRange = surroundingRange;
+						surroundingRange.setStartAt( startTable, CKEDITOR.POSITION_AFTER_END );
+						surroundingRange.setEndAt( endTable, CKEDITOR.POSITION_BEFORE_START );
+
+						leftRange = range.clone();
+						leftRange.setEndAt( startTable, CKEDITOR.POSITION_AFTER_END );
+
+						rightRange = range.clone();
+						rightRange.setStartAt( endTable, CKEDITOR.POSITION_BEFORE_START );
+
+						tableContentsRanges = findTableContentsRanges( leftRange ).concat( findTableContentsRanges( rightRange ) );
+					}
+					// Divide the initial range into two parts:
+					// * range which contains the part containing the table,
+					// * surroundingRange which contains the part outside the table.
+					//
+					// The surroundingRange exists only if one of the range ends is
+					// located outside the table.
+					//
+					// <p>a{b</p><table>..]..</table><p>cd</p>
+					// becomes (respectively: surroundingRange, range):
+					// <p>a{b</p>][<table>..]..</table><p>cd</p>
+					else if ( !startTable ) {
+						that.tableSurroundingRange = surroundingRange;
+						surroundingRange.setEndAt( endTable, CKEDITOR.POSITION_BEFORE_START );
+
+						range.setStartAt( endTable, CKEDITOR.POSITION_AFTER_START );
+					}
+					// <p>ab</p><table>..[..</table><p>c}d</p>
+					// becomes (respectively range, surroundingRange):
+					// <p>ab</p><table>..[..</table>][<p>c}d</p>
+					else if ( !endTable ) {
+						that.tableSurroundingRange = surroundingRange;
+						surroundingRange.setStartAt( startTable, CKEDITOR.POSITION_AFTER_END );
+
+						range.setEndAt( startTable, CKEDITOR.POSITION_AFTER_END );
+					}
+
+					// Use already calculated or calculate for the remaining range.
+					that.tableContentsRanges = tableContentsRanges ? tableContentsRanges : findTableContentsRanges( range );
+
+					// Leaving the below for debugging purposes.
+					//
+					// if ( that.tableSurroundingRange ) {
+					// 	console.log( 'tableSurroundingRange' );
+					// 	console.log( bender.tools.range.getWithHtml( that.tableSurroundingRange.root, that.tableSurroundingRange ) );
+					// }
+					//
+					// console.log( 'tableContentsRanges' );
+					// that.tableContentsRanges.forEach( function( range ) {
+					// 	console.log( bender.tools.range.getWithHtml( range.root, range ) );
+					// } );
+				},
+
+				deleteRanges: function( that ) {
+					var range;
+
+					// Delete table cell contents.
+					while ( ( range = that.tableContentsRanges.pop() ) ) {
+						range.extractContents();
+
+						if ( isEmpty( range.startContainer ) )
+							range.startContainer.appendBogus();
+					}
+
+					// Finally delete surroundings of the table.
+					if ( that.tableSurroundingRange ) {
+						that.tableSurroundingRange.extractContents();
+					}
+				},
+
+				purge: function( that ) {
+					if ( !that.purgeTableBookmark )
+						return;
+
+					var doc = that.doc,
+						range = that.range,
+						rangeClone = range.clone(),
+						// How about different enter modes?
+						block = doc.createElement( 'p' );
+
+					block.insertBefore( that.purgeTableBookmark.startNode );
+
+					rangeClone.moveToBookmark( that.purgeTableBookmark );
+					rangeClone.deleteContents();
+
+					that.range.moveToPosition( block, CKEDITOR.POSITION_AFTER_START );
+				}
+			};
+		} )();
+
+		return {
+			list: list,
+			block: block,
+			table: table,
+
+			// Detects whether use "mergeThen" argument in range.extractContents().
+			detectExtractMerge: function( that ) {
+				// Don't merge if playing with lists.
+				return !(
+					that.range.startPath().contains( CKEDITOR.dtd.$listItem ) &&
+					that.range.endPath().contains( CKEDITOR.dtd.$listItem )
+				);
+			},
+
+			fixUneditableRangePosition: function( range ) {
+				if ( !range.startContainer.getDtd()[ '#' ] ) {
+					range.moveToClosestEditablePosition( null, true );
+				}
+			},
+
+			// Perform auto paragraphing if needed.
+			autoParagraph: function( editor, range ) {
+				var path = range.startPath(),
+					fixBlock;
+
+				if ( shouldAutoParagraph( editor, path.block, path.blockLimit ) && ( fixBlock = autoParagraphTag( editor ) ) ) {
+					fixBlock = range.document.createElement( fixBlock );
+					fixBlock.appendBogus();
+					range.insertNode( fixBlock );
+					range.moveToPosition( fixBlock, CKEDITOR.POSITION_AFTER_START );
+				}
+			}
+		};
+	} )();
+
+} )();
+
+/**
+ * Whether the editor must output an empty value (`''`) if its content only consists
+ * of an empty paragraph.
+ *
+ *		config.ignoreEmptyParagraph = false;
+ *
+ * @cfg {Boolean} [ignoreEmptyParagraph=true]
+ * @member CKEDITOR.config
+ */
+
+/**
+ * Event fired by the editor in order to get accessibility help label.
+ * The event is responded to by a component which provides accessibility
+ * help (i.e. the `a11yhelp` plugin) hence the editor is notified whether
+ * accessibility help is available.
+ *
+ * Providing info:
+ *
+ *		editor.on( 'ariaEditorHelpLabel', function( evt ) {
+ *				evt.data.label = editor.lang.common.editorHelp;
+ *		} );
+ *
+ * Getting label:
+ *
+ *		var helpLabel = editor.fire( 'ariaEditorHelpLabel', {} ).label;
+ *
+ * @since 4.4.3
+ * @event ariaEditorHelpLabel
+ * @param {String} label The label to be used.
+ * @member CKEDITOR.editor
+ */
+
+/**
+ * Event fired when the user double-clicks in the editable area.
+ * The event allows to open a dialog window for a clicked element in a convenient way:
+ *
+ *		editor.on( 'doubleclick', function( evt ) {
+ *			var element = evt.data.element;
+ *
+ *			if ( element.is( 'table' ) )
+ *				evt.data.dialog = 'tableProperties';
+ *		} );
+ *
+ * **Note:** To handle double-click on a widget use {@link CKEDITOR.plugins.widget#doubleclick}.
+ *
+ * @event doubleclick
+ * @param data
+ * @param {CKEDITOR.dom.element} data.element The double-clicked element.
+ * @param {String} data.dialog The dialog window to be opened. If set by the listener,
+ * the specified dialog window will be opened.
+ * @member CKEDITOR.editor
+ */
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