nl_tokens: Reports an unhandled Error to TraceKit .
pl_tokens: function report ( ex , rethrow ) { var args = _slice . call ( arguments , 1 ) ; if ( lastExceptionStack ) { if ( lastException === ex ) { return ; // already caught by an inner catch block, ignore } else { processLastException ( ) ; } } var stack = TraceKit . computeStackTrace ( ex ) ; lastExceptionStack = stack ; lastException = ex ; lastArgs = args ; // If the stack trace is incomplete, wait for 2 seconds for // slow slow IE to see if onerror occurs or not before reporting // this exception; otherwise, we will end up with an incomplete // stack trace setTimeout ( function ( ) { if ( lastException === <mask> ) { processLastException ( ) ; } } , stack . incomplete ? 2000 : 0 ) ; if ( rethrow !== false ) { throw ex ; // re-throw to propagate to the top level (and cause window.onerror) } }