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a?{type:"styling",mode:a.mode,body:[a],style:"text"}:a;case"raw":if(n&&this.consumeSpaces(),r&&"{"===this.fetch().text)return null;var s=this.parseStringGroup("raw",r,!0);if(s)return{type:"raw",mode:"text",string:s.text};throw new o("Expected raw group",this.fetch());case"original":case null:case void 0:return this.parseGroup(e,r,i,void 0,void 0,n);default:throw new o("Unknown group type as "+e,this.fetch())}},t.consumeSpaces=function(){for(;" "===this.fetch().text;)this.consume()},t.parseStringGroup=function(e,t,r){var i=t?"[":"{",n=t?"]":"}",a=this.fetch();if(a.text!==i){if(t)return null;if(r&&"EOF"!==a.text&&/[^{}[\]]/.test(a.text))return this.consume(),a}var s=this.mode;this.mode="text",this.expect(i);for(var l,m="",h=this.fetch(),c=0,u=h;(l=this.fetch()).text!==n||r&&c>0;){switch(l.text){case"EOF":throw new o("Unexpected end of input in "+e,h.range(u,m));case i:c++;break;case n:c--}m+=(u=l).text,this.consume()}return this.expect(n),this.mode=s,h.range(u,m)},t.parseRegexGroup=function(e,t){var r=this.mode;this.mode="text";for(var i,n=this.fetch(),a=n,s="";"EOF"!==(i=this.fetch()).text&&e.test(s+i.text);)s+=(a=i).text,this.consume();if(""===s)throw new o("Invalid "+t+": '"+n.text+"'",n);return this.mode=r,n.range(a,s)},t.parseColorGroup=function(e){var t=this.parseStringGroup("color",e);if(!t)return null;var r=/^(#[a-f0-9]{3}|#?[a-f0-9]{6}|[a-z]+)$/i.exec(t.text);if(!r)throw new o("Invalid color: '"+t.text+"'",t);var i=r[0];return/^[0-9a-f]{6}$/i.test(i)&&(i="#"+i),{type:"color-token",mode:this.mode,color:i}},t.parseSizeGroup=function(e){var t,r=!1;if(!(t=e||"{"===this.fetch().text?this.parseStringGroup("size",e):this.parseRegexGroup(/^[-+]? *(?:$|\d+|\d+\.\d*|\.\d*) *[a-z]{0,2} *$/,"size")))return null;e||0!==t.text.length||(t.text="0pt",r=!0);var i=/([-+]?) *(\d+(?:\.\d*)?|\.\d+) *([a-z]{2})/.exec(t.text);if(!i)throw new o("Invalid size: '"+t.text+"'",t);var n={number:+(i[1]+i[2]),unit:i[3]};if(!Me(n))throw new o("Invalid unit: '"+n.unit+"'",t);return{type:"size",mode:this.mode,value:n,isBlank:r}},t.parseUrlGroup=function(e,t){this.gullet.lexer.setCatcode("%",13);var r=this.parseStringGroup("url",e,!0);if(this.gullet.lexer.setCatcode("%",14),!r)return null;var i=r.text.replace(/\\([#$%&~_^{}])/g,"$1");return{type:"url",mode:this.mode,url:i}},t.parseGroup=function(t,r,n,a,s,l){var m=this.mode;s&&this.switchMode(s),l&&this.consumeSpaces();var h,c=this.fetch(),u=c.text;if(r?"["===u:"{"===u||"\\begingroup"===u){this.consume();var p=e.endOfGroup[u];this.gullet.beginGroup();var d=this.parseExpression(!1,p),f=this.fetch();this.expect(p),this.gullet.endGroup(),h={type:"ordgroup",mode:this.mode,loc:i.range(c,f),body:d,semisimple:"\\begingroup"===u||void 0}}else if(r)h=null;else if(null==(h=this.parseFunction(a,t,n)||this.parseSymbol())&&"\\"===u[0]&&!xi.hasOwnProperty(u)){if(this.settings.throwOnError)throw new o("Undefined control sequence: "+u,c);h=this.formatUnsupportedCmd(u),this.consume()}return s&&this.switchMode(m),h},t.formLigatures=function(e){for(var t=e.length-1,r=0;r=0&&this.settings.reportNonstrict("unicodeTextInMathMode",'Latin-1/Unicode text character "'+t[0]+'" used in math mode',e);var l,m=D[this.mode][t].group,h=i.range(e);if(Z.hasOwnProperty(m)){var c=m;l={type:"atom",mode:this.mode,family:c,loc:h,text:t}}else l={type:m,mode:this.mode,loc:h,text:t};a=l}else{if(!(t.charCodeAt(0)>=128))return null;this.settings.strict&&(w(t.charCodeAt(0))?"math"===this.mode&&this.settings.reportNonstrict("unicodeTextInMathMode",'Unicode text character "'+t[0]+'" used in math mode',e):this.settings.reportNonstrict("unknownSymbol",'Unrecognized Unicode character "'+t[0]+'" ('+t.charCodeAt(0)+")",e)),a={type:"textord",mode:"text",loc:i.range(e),text:t}}if(this.consume(),s)for(var u=0;u