1 | /*
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2 | Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
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3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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4 | */
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5 |
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6 | (function()
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7 | {
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8 | var entities =
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9 |
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10 | // Base HTML entities.
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11 | 'nbsp,gt,lt,quot,' +
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12 |
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13 | // Latin-1 Entities
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14 | 'iexcl,cent,pound,curren,yen,brvbar,sect,uml,copy,ordf,laquo,' +
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15 | 'not,shy,reg,macr,deg,plusmn,sup2,sup3,acute,micro,para,middot,' +
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16 | 'cedil,sup1,ordm,raquo,frac14,frac12,frac34,iquest,times,divide,' +
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17 |
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18 | // Symbols
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19 | 'fnof,bull,hellip,prime,Prime,oline,frasl,weierp,image,real,trade,' +
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20 | 'alefsym,larr,uarr,rarr,darr,harr,crarr,lArr,uArr,rArr,dArr,hArr,' +
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21 | 'forall,part,exist,empty,nabla,isin,notin,ni,prod,sum,minus,lowast,' +
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22 | 'radic,prop,infin,ang,and,or,cap,cup,int,there4,sim,cong,asymp,ne,' +
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23 | 'equiv,le,ge,sub,sup,nsub,sube,supe,oplus,otimes,perp,sdot,lceil,' +
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24 | 'rceil,lfloor,rfloor,lang,rang,loz,spades,clubs,hearts,diams,' +
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25 |
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26 | // Other Special Characters
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27 | 'circ,tilde,ensp,emsp,thinsp,zwnj,zwj,lrm,rlm,ndash,mdash,lsquo,' +
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28 | 'rsquo,sbquo,ldquo,rdquo,bdquo,dagger,Dagger,permil,lsaquo,rsaquo,' +
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29 | 'euro';
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30 |
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31 | // Latin Letters Entities
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32 | var latin =
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33 | 'Agrave,Aacute,Acirc,Atilde,Auml,Aring,AElig,Ccedil,Egrave,Eacute,' +
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34 | 'Ecirc,Euml,Igrave,Iacute,Icirc,Iuml,ETH,Ntilde,Ograve,Oacute,Ocirc,' +
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35 | 'Otilde,Ouml,Oslash,Ugrave,Uacute,Ucirc,Uuml,Yacute,THORN,szlig,' +
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36 | 'agrave,aacute,acirc,atilde,auml,aring,aelig,ccedil,egrave,eacute,' +
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37 | 'ecirc,euml,igrave,iacute,icirc,iuml,eth,ntilde,ograve,oacute,ocirc,' +
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38 | 'otilde,ouml,oslash,ugrave,uacute,ucirc,uuml,yacute,thorn,yuml,' +
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39 | 'OElig,oelig,Scaron,scaron,Yuml';
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40 |
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41 | // Greek Letters Entities.
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42 | var greek =
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43 | 'Alpha,Beta,Gamma,Delta,Epsilon,Zeta,Eta,Theta,Iota,Kappa,Lambda,Mu,' +
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44 | 'Nu,Xi,Omicron,Pi,Rho,Sigma,Tau,Upsilon,Phi,Chi,Psi,Omega,alpha,' +
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45 | 'beta,gamma,delta,epsilon,zeta,eta,theta,iota,kappa,lambda,mu,nu,xi,' +
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46 | 'omicron,pi,rho,sigmaf,sigma,tau,upsilon,phi,chi,psi,omega,thetasym,' +
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47 | 'upsih,piv';
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48 |
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49 | function buildTable( entities )
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50 | {
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51 | var table = {},
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52 | regex = [];
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53 |
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54 | // Entities that the browsers DOM don't transform to the final char
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55 | // automatically.
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56 | var specialTable =
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57 | {
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58 | nbsp : '\u00A0', // IE | FF
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59 | shy : '\u00AD', // IE
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60 | gt : '\u003E', // IE | FF | -- | Opera
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61 | lt : '\u003C' // IE | FF | Safari | Opera
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62 | };
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63 |
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64 | entities = entities.replace( /\b(nbsp|shy|gt|lt|amp)(?:,|$)/g, function( match, entity )
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65 | {
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66 | table[ specialTable[ entity ] ] = '&' + entity + ';';
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67 | regex.push( specialTable[ entity ] );
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68 | return '';
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69 | });
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70 |
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71 | // Transforms the entities string into an array.
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72 | entities = entities.split( ',' );
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73 |
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74 | // Put all entities inside a DOM element, transforming them to their
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75 | // final chars.
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76 | var div = document.createElement( 'div' ),
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77 | chars;
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78 | div.innerHTML = '&' + entities.join( ';&' ) + ';';
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79 | chars = div.innerHTML;
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80 | div = null;
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81 |
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82 | // Add all chars to the table.
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83 | for ( var i = 0 ; i < chars.length ; i++ )
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84 | {
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85 | var charAt = chars.charAt( i );
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86 | table[ charAt ] = '&' + entities[ i ] + ';';
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87 | regex.push( charAt );
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88 | }
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89 |
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90 | table.regex = regex.join( '' );
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91 |
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92 | return table;
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93 | }
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94 |
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95 | CKEDITOR.plugins.add( 'entities',
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96 | {
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97 | afterInit : function( editor )
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98 | {
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99 | var config = editor.config;
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100 |
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101 | if ( !config.entities )
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102 | return;
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103 |
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104 | var dataProcessor = editor.dataProcessor,
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105 | htmlFilter = dataProcessor && dataProcessor.htmlFilter;
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106 |
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107 | if ( htmlFilter )
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108 | {
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109 | var selectedEntities = entities;
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110 |
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111 | if ( config.entities_latin )
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112 | selectedEntities += ',' + latin;
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113 |
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114 | if ( config.entities_greek )
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115 | selectedEntities += ',' + greek;
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116 |
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117 | if ( config.entities_additional )
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118 | selectedEntities += ',' + config.entities_additional;
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119 |
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120 | var entitiesTable = buildTable( selectedEntities );
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121 |
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122 | // Create the Regex used to find entities in the text.
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123 | var entitiesRegex = '[' + entitiesTable.regex + ']';
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124 | delete entitiesTable.regex;
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125 |
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126 | if ( config.entities_processNumerical )
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127 | entitiesRegex = '[^ -~]|' + entitiesRegex ;
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128 |
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129 | entitiesRegex = new RegExp( entitiesRegex, 'g' );
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130 |
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131 | function getChar( character )
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132 | {
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133 | return entitiesTable[ character ] || ( '&#' + character.charCodeAt(0) + ';' );
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134 | }
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135 |
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136 | htmlFilter.addRules(
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137 | {
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138 | text : function( text )
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139 | {
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140 | return text.replace( entitiesRegex, getChar );
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141 | }
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142 | });
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143 | }
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144 | }
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145 | });
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146 | })();
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147 |
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148 | /**
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149 | * Whether to use HTML entities in the output.
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150 | * @type Boolean
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151 | * @default true
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152 | * @example
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153 | * config.entities = false;
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154 | */
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155 | CKEDITOR.config.entities = true;
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156 |
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157 | /**
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158 | * Whether to convert some Latin characters (Latin alphabet No. 1, ISO 8859-1)
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159 | * to HTML entities. The list of entities can be found at the
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160 | * <a href="http://www.w3.org/TR/html4/sgml/entities.html#h-24.2.1">W3C HTML 4.01 Specification, section 24.2.1</a>.
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161 | * @type Boolean
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162 | * @default true
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163 | * @example
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164 | * config.entities_latin = false;
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165 | */
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166 | CKEDITOR.config.entities_latin = true;
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167 |
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168 | /**
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169 | * Whether to convert some symbols, mathematical symbols, and Greek letters to
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170 | * HTML entities. This may be more relevant for users typing text written in Greek.
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171 | * The list of entities can be found at the
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172 | * <a href="http://www.w3.org/TR/html4/sgml/entities.html#h-24.3.1">W3C HTML 4.01 Specification, section 24.3.1</a>.
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173 | * @type Boolean
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174 | * @default true
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175 | * @example
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176 | * config.entities_greek = false;
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177 | */
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178 | CKEDITOR.config.entities_greek = true;
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179 |
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180 | /**
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181 | * Whether to convert all remaining characters, not comprised in the ASCII
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182 | * character table, to their relative numeric representation of HTML entity.
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183 | * For example, the phrase "This is Chinese: 汉语." is outputted
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184 | * as "This is Chinese: &#27721;&#35821;."
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185 | * @type Boolean
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186 | * @default false
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187 | * @example
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188 | * config.entities_processNumerical = true;
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189 | */
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190 | CKEDITOR.config.entities_processNumerical = false;
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191 |
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192 | /**
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193 | * An additional list of entities to be used. It's a string containing each
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194 | * entry separated by a comma. Entities names or number must be used, exclusing
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195 | * the "&" preffix and the ";" termination.
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196 | * @default '#39' // The single quote (') character.
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197 | * @type String
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198 | * @example
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199 | */
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200 | CKEDITOR.config.entities_additional = '#39';
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