Fix potential NPE in setting shared permissions

James Moger

2013-09-23 288d6cc169706607601f185505fca50f9950c30b

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"]);