nl_tokens: Performs a shallow copy on this hash .
pl_tokens: function ( ) { var hash = new this . self ( this . initialConfig ) , <mask> = this . map , key ; hash . suspendEvents ( ) ; for ( key in map ) { if ( map . hasOwnProperty ( key ) ) { hash . add ( key , map [ key ] ) ; } } hash . resumeEvents ( ) ; return hash ; }