nl_tokens: Copies a set of named properties from the source object to the destination object .
pl_tokens: function ( dest , source , names , usePrototypeKeys ) { if ( typeof names == 'string' ) { names = names . split ( / [,;\s] / ) ; } Ext . each ( names , function ( name ) { if ( usePrototypeKeys || source . hasOwnProperty ( name ) ) { dest [ name ] = source [ name ] ; } } , this ) ; return <mask> ; }