nl_tokens: Snaps the passed number between stopping points based upon a passed increment value .
pl_tokens: function ( value , increment , minValue , maxValue ) { var newValue = value , m ; if ( ! ( increment && <mask> ) ) { return value ; } m = value % increment ; if ( m !== 0 ) { newValue -= m ; if ( m * 2 >= increment ) { newValue += increment ; } else if ( m * 2 < - increment ) { newValue -= increment ; } } return Ext . Number . constrain ( newValue , minValue , maxValue ) ; }