svg - supporting HTML entities, to avoid 'entity not defined' when you're exporting SVGs from the browser

svg-html-entities.js

// create a doctype that includes definitions for all HTML entities - http://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references
var doctype = '<?xml version="1.0" standalone="no"?>' +
  '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" [ '
  + HTML_ENTITIES() + ' ]>';

function HTML_ENTITIES() {
	return '<!ENTITY quot "&#34;">  <!ENTITY amp "&#38;">  <!ENTITY apos "&#39;">  <!ENTITY lt "&#60;">  <!ENTITY gt "&#62;">  <!ENTITY nbsp "&#160;">  <!ENTITY iexcl "&#161;">  <!ENTITY cent "&#162;">  <!ENTITY pound "&#163;">  <!ENTITY curren "&#164;">  <!ENTITY yen "&#165;">  <!ENTITY brvbar "&#166;">  <!ENTITY sect "&#167;">  <!ENTITY uml "&#168;">  <!ENTITY copy "&#169;">  <!ENTITY ordf "&#170;">  <!ENTITY laquo "&#171;">  <!ENTITY not "&#172;">  <!ENTITY shy "&#173;">  <!ENTITY reg "&#174;">  <!ENTITY macr "&#175;">  <!ENTITY deg "&#176;">  <!ENTITY plusmn "&#177;">  <!ENTITY sup2 "&#178;">  <!ENTITY sup3 "&#179;">  <!ENTITY acute "&#180;">  <!ENTITY micro "&#181;">  <!ENTITY para "&#182;">  <!ENTITY middot "&#183;">  <!ENTITY cedil "&#184;">  <!ENTITY sup1 "&#185;">  <!ENTITY ordm "&#186;">  <!ENTITY raquo "&#187;">  <!ENTITY frac14 "&#188;">  <!ENTITY frac12 "&#189;">  <!ENTITY frac34 "&#190;">  <!ENTITY iquest "&#191;">  <!ENTITY Agrave "&#192;">  <!ENTITY Aacute "&#193;">  <!ENTITY Acirc "&#194;">  <!ENTITY Atilde "&#195;">  <!ENTITY Auml "&#196;">  <!ENTITY Aring "&#197;">  <!ENTITY AElig "&#198;">  <!ENTITY Ccedil "&#199;">  <!ENTITY Egrave "&#200;">  <!ENTITY Eacute "&#201;">  <!ENTITY Ecirc "&#202;">  <!ENTITY Euml "&#203;">  <!ENTITY Igrave "&#204;">  <!ENTITY Iacute "&#205;">  <!ENTITY Icirc "&#206;">  <!ENTITY Iuml "&#207;">  <!ENTITY ETH "&#208;">  <!ENTITY Ntilde "&#209;">  <!ENTITY Ograve "&#210;">  <!ENTITY Oacute "&#211;">  <!ENTITY Ocirc "&#212;">  <!ENTITY Otilde "&#213;">  <!ENTITY Ouml "&#214;">  <!ENTITY times "&#215;">  <!ENTITY Oslash "&#216;">  <!ENTITY Ugrave "&#217;">  <!ENTITY Uacute "&#218;">  <!ENTITY Ucirc "&#219;">  <!ENTITY Uuml "&#220;">  <!ENTITY Yacute "&#221;">  <!ENTITY THORN "&#222;">  <!ENTITY szlig "&#223;">  <!ENTITY agrave "&#224;">  <!ENTITY aacute "&#225;">  <!ENTITY acirc "&#226;">  <!ENTITY atilde "&#227;">  <!ENTITY auml "&#228;">  <!ENTITY aring "&#229;">  <!ENTITY aelig "&#230;">  <!ENTITY ccedil "&#231;">  <!ENTITY egrave "&#232;">  <!ENTITY eacute "&#233;">  <!ENTITY ecirc "&#234;">  <!ENTITY euml "&#235;">  <!ENTITY igrave "&#236;">  <!ENTITY iacute "&#237;">  <!ENTITY icirc "&#238;">  <!ENTITY iuml "&#239;">  <!ENTITY eth "&#240;">  <!ENTITY ntilde "&#241;">  <!ENTITY ograve "&#242;">  <!ENTITY oacute "&#243;">  <!ENTITY ocirc "&#244;">  <!ENTITY otilde "&#245;">  <!ENTITY ouml "&#246;">  <!ENTITY divide "&#247;">  <!ENTITY oslash "&#248;">  <!ENTITY ugrave "&#249;">  <!ENTITY uacute "&#250;">  <!ENTITY ucirc "&#251;">  <!ENTITY uuml "&#252;">  <!ENTITY yacute "&#253;">  <!ENTITY thorn "&#254;">  <!ENTITY yuml "&#255;">  <!ENTITY OElig "&#338;">  <!ENTITY oelig "&#339;">  <!ENTITY Scaron "&#352;">  <!ENTITY scaron "&#353;">  <!ENTITY Yuml "&#376;">  <!ENTITY fnof "&#402;">  <!ENTITY circ "&#710;">  <!ENTITY tilde "&#732;">  <!ENTITY Alpha "&#913;">  <!ENTITY Beta "&#914;">  <!ENTITY Gamma "&#915;">  <!ENTITY Delta "&#916;">  <!ENTITY Epsilon "&#917;">  <!ENTITY Zeta "&#918;">  <!ENTITY Eta "&#919;">  <!ENTITY Theta "&#920;">  <!ENTITY Iota "&#921;">  <!ENTITY Kappa "&#922;">  <!ENTITY Lambda "&#923;">  <!ENTITY Mu "&#924;">  <!ENTITY Nu "&#925;">  <!ENTITY Xi "&#926;">  <!ENTITY Omicron "&#927;">  <!ENTITY Pi "&#928;">  <!ENTITY Rho "&#929;">  <!ENTITY Sigma "&#931;">  <!ENTITY Tau "&#932;">  <!ENTITY Upsilon "&#933;">  <!ENTITY Phi "&#934;">  <!ENTITY Chi "&#935;">  <!ENTITY Psi "&#936;">  <!ENTITY Omega "&#937;">  <!ENTITY alpha "&#945;">  <!ENTITY beta "&#946;">  <!ENTITY gamma "&#947;">  <!ENTITY delta "&#948;">  <!ENTITY epsilon "&#949;">  <!ENTITY zeta "&#950;">  <!ENTITY eta "&#951;">  <!ENTITY theta "&#952;">  <!ENTITY iota "&#953;">  <!ENTITY kappa "&#954;">  <!ENTITY lambda "&#955;">  <!ENTITY mu "&#956;">  <!ENTITY nu "&#957;">  <!ENTITY xi "&#958;">  <!ENTITY omicron "&#959;">  <!ENTITY pi "&#960;">  <!ENTITY rho "&#961;">  <!ENTITY sigmaf "&#962;">  <!ENTITY sigma "&#963;">  <!ENTITY tau "&#964;">  <!ENTITY upsilon "&#965;">  <!ENTITY phi "&#966;">  <!ENTITY chi "&#967;">  <!ENTITY psi "&#968;">  <!ENTITY omega "&#969;">  <!ENTITY thetasym "&#977;">  <!ENTITY upsih "&#978;">  <!ENTITY piv "&#982;">  <!ENTITY ensp "&#8194;">  <!ENTITY emsp "&#8195;">  <!ENTITY thinsp "&#8201;">  <!ENTITY zwnj "&#8204;">  <!ENTITY zwj "&#8205;">  <!ENTITY lrm "&#8206;">  <!ENTITY rlm "&#8207;">  <!ENTITY ndash "&#8211;">  <!ENTITY mdash "&#8212;">  <!ENTITY lsquo "&#8216;">  <!ENTITY rsquo "&#8217;">  <!ENTITY sbquo "&#8218;">  <!ENTITY ldquo "&#8220;">  <!ENTITY rdquo "&#8221;">  <!ENTITY bdquo "&#8222;">  <!ENTITY dagger "&#8224;">  <!ENTITY Dagger "&#8225;">  <!ENTITY bull "&#8226;">  <!ENTITY hellip "&#8230;">  <!ENTITY permil "&#8240;">  <!ENTITY prime "&#8242;">  <!ENTITY Prime "&#8243;">  <!ENTITY lsaquo "&#8249;">  <!ENTITY rsaquo "&#8250;">  <!ENTITY oline "&#8254;">  <!ENTITY frasl "&#8260;">  <!ENTITY euro "&#8364;">  <!ENTITY image "&#8465;">  <!ENTITY weierp "&#8472;">  <!ENTITY real "&#8476;">  <!ENTITY trade "&#8482;">  <!ENTITY alefsym "&#8501;">  <!ENTITY larr "&#8592;">  <!ENTITY uarr "&#8593;">  <!ENTITY rarr "&#8594;">  <!ENTITY darr "&#8595;">  <!ENTITY harr "&#8596;">  <!ENTITY crarr "&#8629;">  <!ENTITY lArr "&#8656;">  <!ENTITY uArr "&#8657;">  <!ENTITY rArr "&#8658;">  <!ENTITY dArr "&#8659;">  <!ENTITY hArr "&#8660;">  <!ENTITY forall "&#8704;">  <!ENTITY part "&#8706;">  <!ENTITY exist "&#8707;">  <!ENTITY empty "&#8709;">  <!ENTITY nabla "&#8711;">  <!ENTITY isin "&#8712;">  <!ENTITY notin "&#8713;">  <!ENTITY ni "&#8715;">  <!ENTITY prod "&#8719;">  <!ENTITY sum "&#8721;">  <!ENTITY minus "&#8722;">  <!ENTITY lowast "&#8727;">  <!ENTITY radic "&#8730;">  <!ENTITY prop "&#8733;">  <!ENTITY infin "&#8734;">  <!ENTITY ang "&#8736;">  <!ENTITY and "&#8743;">  <!ENTITY or "&#8744;">  <!ENTITY cap "&#8745;">  <!ENTITY cup "&#8746;">  <!ENTITY int "&#8747;">  <!ENTITY there4 "&#8756;">  <!ENTITY sim "&#8764;">  <!ENTITY cong "&#8773;">  <!ENTITY asymp "&#8776;">  <!ENTITY ne "&#8800;">  <!ENTITY equiv "&#8801;">  <!ENTITY le "&#8804;">  <!ENTITY ge "&#8805;">  <!ENTITY sub "&#8834;">  <!ENTITY sup "&#8835;">  <!ENTITY nsub "&#8836;">  <!ENTITY sube "&#8838;">  <!ENTITY supe "&#8839;">  <!ENTITY oplus "&#8853;">  <!ENTITY otimes "&#8855;">  <!ENTITY perp "&#8869;">  <!ENTITY sdot "&#8901;">  <!ENTITY lceil "&#8968;">  <!ENTITY rceil "&#8969;">  <!ENTITY lfloor "&#8970;">  <!ENTITY rfloor "&#8971;">  <!ENTITY lang "&#9001;">  <!ENTITY rang "&#9002;">  <!ENTITY loz "&#9674;">  <!ENTITY spades "&#9824;">  <!ENTITY clubs "&#9827;">  <!ENTITY hearts "&#9829;">  <!ENTITY diams "&#9830;">';
}