240 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			240 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
/**
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 * @license Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
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 * For licensing, see LICENSE.md or http://ckeditor.com/license
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 */
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( function() {
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	// Base HTML entities.
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	var htmlbase = 'nbsp,gt,lt,amp';
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	var entities =
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	// Latin-1 Entities
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	'quot,iexcl,cent,pound,curren,yen,brvbar,sect,uml,copy,ordf,laquo,' +
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		'not,shy,reg,macr,deg,plusmn,sup2,sup3,acute,micro,para,middot,' +
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		'cedil,sup1,ordm,raquo,frac14,frac12,frac34,iquest,times,divide,' +
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		// Symbols
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		'fnof,bull,hellip,prime,Prime,oline,frasl,weierp,image,real,trade,' +
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		'alefsym,larr,uarr,rarr,darr,harr,crarr,lArr,uArr,rArr,dArr,hArr,' +
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		'forall,part,exist,empty,nabla,isin,notin,ni,prod,sum,minus,lowast,' +
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		'radic,prop,infin,ang,and,or,cap,cup,int,there4,sim,cong,asymp,ne,' +
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		'equiv,le,ge,sub,sup,nsub,sube,supe,oplus,otimes,perp,sdot,lceil,' +
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		'rceil,lfloor,rfloor,lang,rang,loz,spades,clubs,hearts,diams,' +
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		// Other Special Characters
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		'circ,tilde,ensp,emsp,thinsp,zwnj,zwj,lrm,rlm,ndash,mdash,lsquo,' +
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		'rsquo,sbquo,ldquo,rdquo,bdquo,dagger,Dagger,permil,lsaquo,rsaquo,' +
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		'euro';
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	// Latin Letters Entities
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	var latin = 'Agrave,Aacute,Acirc,Atilde,Auml,Aring,AElig,Ccedil,Egrave,Eacute,' +
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		'Ecirc,Euml,Igrave,Iacute,Icirc,Iuml,ETH,Ntilde,Ograve,Oacute,Ocirc,' +
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		'Otilde,Ouml,Oslash,Ugrave,Uacute,Ucirc,Uuml,Yacute,THORN,szlig,' +
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		'agrave,aacute,acirc,atilde,auml,aring,aelig,ccedil,egrave,eacute,' +
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		'ecirc,euml,igrave,iacute,icirc,iuml,eth,ntilde,ograve,oacute,ocirc,' +
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		'otilde,ouml,oslash,ugrave,uacute,ucirc,uuml,yacute,thorn,yuml,' +
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		'OElig,oelig,Scaron,scaron,Yuml';
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	// Greek Letters Entities.
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	var greek = 'Alpha,Beta,Gamma,Delta,Epsilon,Zeta,Eta,Theta,Iota,Kappa,Lambda,Mu,' +
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		'Nu,Xi,Omicron,Pi,Rho,Sigma,Tau,Upsilon,Phi,Chi,Psi,Omega,alpha,' +
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		'beta,gamma,delta,epsilon,zeta,eta,theta,iota,kappa,lambda,mu,nu,xi,' +
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		'omicron,pi,rho,sigmaf,sigma,tau,upsilon,phi,chi,psi,omega,thetasym,' +
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		'upsih,piv';
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	// Create a mapping table between one character and its entity form from a list of entity names.
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	// @param reverse {Boolean} Whether to create a reverse map from the entity string form to an actual character.
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	function buildTable( entities, reverse ) {
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		var table = {},
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			regex = [];
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		// Entities that the browsers DOM don't transform to the final char
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		// automatically.
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		var specialTable = {
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			nbsp: '\u00A0', // IE | FF
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			shy: '\u00AD', // IE
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			gt: '\u003E', // IE | FF |   --   | Opera
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			lt: '\u003C', // IE | FF | Safari | Opera
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			amp: '\u0026', // ALL
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			apos: '\u0027', // IE
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			quot: '\u0022' // IE
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		};
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		entities = entities.replace( /\b(nbsp|shy|gt|lt|amp|apos|quot)(?:,|$)/g, function( match, entity ) {
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			var org = reverse ? '&' + entity + ';' : specialTable[ entity ],
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				result = reverse ? specialTable[ entity ] : '&' + entity + ';';
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			table[ org ] = result;
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			regex.push( org );
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			return '';
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		} );
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		if ( !reverse && entities ) {
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			// Transforms the entities string into an array.
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			entities = entities.split( ',' );
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			// Put all entities inside a DOM element, transforming them to their
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			// final chars.
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			var div = document.createElement( 'div' ),
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				chars;
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			div.innerHTML = '&' + entities.join( ';&' ) + ';';
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			chars = div.innerHTML;
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			div = null;
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			// Add all chars to the table.
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			for ( var i = 0; i < chars.length; i++ ) {
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				var charAt = chars.charAt( i );
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				table[ charAt ] = '&' + entities[ i ] + ';';
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				regex.push( charAt );
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			}
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		}
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		table.regex = regex.join( reverse ? '|' : '' );
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		return table;
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	}
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	CKEDITOR.plugins.add( 'entities', {
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		afterInit: function( editor ) {
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			var config = editor.config;
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			var dataProcessor = editor.dataProcessor,
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				htmlFilter = dataProcessor && dataProcessor.htmlFilter;
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			if ( htmlFilter ) {
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				// Mandatory HTML base entities.
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				var selectedEntities = [];
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				if ( config.basicEntities !== false )
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					selectedEntities.push( htmlbase );
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				if ( config.entities ) {
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					if ( selectedEntities.length )
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						selectedEntities.push( entities );
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					if ( config.entities_latin )
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						selectedEntities.push( latin );
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					if ( config.entities_greek )
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						selectedEntities.push( greek );
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					if ( config.entities_additional )
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						selectedEntities.push( config.entities_additional );
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				}
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				var entitiesTable = buildTable( selectedEntities.join( ',' ) );
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				// Create the Regex used to find entities in the text, leave it matches nothing if entities are empty.
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				var entitiesRegex = entitiesTable.regex ? '[' + entitiesTable.regex + ']' : 'a^';
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				delete entitiesTable.regex;
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				if ( config.entities && config.entities_processNumerical )
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					entitiesRegex = '[^ -~]|' + entitiesRegex;
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				entitiesRegex = new RegExp( entitiesRegex, 'g' );
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				function getEntity( character ) {
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					return config.entities_processNumerical == 'force' || !entitiesTable[ character ] ? '&#' + character.charCodeAt( 0 ) + ';'
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						: entitiesTable[ character ];
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				}
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				// Decode entities that the browsers has transformed
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				// at first place.
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				var baseEntitiesTable = buildTable( [ htmlbase, 'shy' ].join( ',' ), true ),
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					baseEntitiesRegex = new RegExp( baseEntitiesTable.regex, 'g' );
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				function getChar( character ) {
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					return baseEntitiesTable[ character ];
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				}
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				htmlFilter.addRules( {
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					text: function( text ) {
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						return text.replace( baseEntitiesRegex, getChar ).replace( entitiesRegex, getEntity );
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					}
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				}, {
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					applyToAll: true,
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					excludeNestedEditable: true
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				} );
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			}
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		}
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	} );
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} )();
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/**
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 * Whether to escape basic HTML entities in the document, including:
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 *
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 * * `nbsp`
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 * * `gt`
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 * * `lt`
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 * * `amp`
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 *
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 * **Note:** It should not be subject to change unless when outputting a non-HTML data format like BBCode.
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 *
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 *		config.basicEntities = false;
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 *
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 * @cfg {Boolean} [basicEntities=true]
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 * @member CKEDITOR.config
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 */
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CKEDITOR.config.basicEntities = true;
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/**
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 * Whether to use HTML entities in the output.
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 *
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 *		config.entities = false;
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 *
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 * @cfg {Boolean} [entities=true]
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 * @member CKEDITOR.config
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 */
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CKEDITOR.config.entities = true;
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/**
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 * Whether to convert some Latin characters (Latin alphabet No. 1, ISO 8859-1)
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 * to HTML entities. The list of entities can be found in the
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 * [W3C HTML 4.01 Specification, section 24.2.1](http://www.w3.org/TR/html4/sgml/entities.html#h-24.2.1).
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 *
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 *		config.entities_latin = false;
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 *
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 * @cfg {Boolean} [entities_latin=true]
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 * @member CKEDITOR.config
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 */
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CKEDITOR.config.entities_latin = true;
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/**
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 * Whether to convert some symbols, mathematical symbols, and Greek letters to
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 * HTML entities. This may be more relevant for users typing text written in Greek.
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 * The list of entities can be found in the
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 * [W3C HTML 4.01 Specification, section 24.3.1(http://www.w3.org/TR/html4/sgml/entities.html#h-24.3.1).
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 *
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 *		config.entities_greek = false;
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 *
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 * @cfg {Boolean} [entities_greek=true]
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 * @member CKEDITOR.config
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 */
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CKEDITOR.config.entities_greek = true;
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/**
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 * Whether to convert all remaining characters not included in the ASCII
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 * character table to their relative decimal numeric representation of HTML entity.
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 * When set to `force`, it will convert all entities into this format.
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 *
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 * For example the phrase `'This is Chinese: 汉语.'` is output
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 * as `'This is Chinese: 汉语.'`
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 *
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 *		config.entities_processNumerical = true;
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 *		config.entities_processNumerical = 'force'; // Converts from ' ' into ' ';
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 *
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 * @cfg {Boolean/String} [entities_processNumerical=false]
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 * @member CKEDITOR.config
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 */
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/**
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 * A comma separated list of  additional entities to be used. Entity names
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 * or numbers must be used in a form that excludes the `'&'` prefix and the `';'` ending.
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 *
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 *		config.entities_additional = '#1049'; // Adds Cyrillic capital letter Short I (Й).
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 *
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 * @cfg {String} [entities_additional='#39' (The single quote (') character)]
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 * @member CKEDITOR.config
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 */
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CKEDITOR.config.entities_additional = '#39';
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