Add a method to test for the existence of a setting

James Moger

2014-03-27 33ef3c2fb81744ed3f21a64f30a818531f1dd7e9

1
PR.registerLangHandler(PR.createSimpleLexer([["pln",/^[\t\n\r \xa0]+/,null,"\t\n\r \u00a0"],["com",/^%[^\n\r]*/,null,"%"]],[["kwd",/^\\[@-Za-z]+/],["kwd",/^\\./],["typ",/^[$&]/],["lit",/[+-]?(?:\.\d+|\d+(?:\.\d*)?)(cm|em|ex|in|pc|pt|bp|mm)/i],["pun",/^[()=[\]{}]+/]]),["latex","tex"]);