nl_tokens: execute function with ( async ) { @link util . utilTickCall }
pl_tokens: function ( self , callback , opt , async ) { opt = opt || { } ; self = self || opt . self ; if ( opt . async ) { async = true ; delete opt . async ; } if ( async ) { g . Crisp . nextTick ( utilTickCall , callback , self , opt ) ; return self ; } else { utilTickCall ( callback , self , <mask> ) ; } return self ; }