nl_tokens: create private copy of Ext s Ext . util . Format . format () method - to remove unnecessary dependency - to resolve namespace conflict with MS - Ajax s implementation
pl_tokens: function xf ( format ) { var args = <mask> . prototype . slice . call ( arguments , 1 ) ; return format . replace ( / \{(\d+)\} / g , function ( m , i ) { return args [ i ] ; } ) ; }