nl_tokens: ( public ) returns index of lowest 1 - bit ( or - 1 if none )
pl_tokens: function bnGetLowestSetBit ( ) { var this_array = this . <mask> ; for ( var i = 0 ; i < this . t ; ++ i ) if ( this_array [ i ] != 0 ) return i * BI_DB + lbit ( this_array [ i ] ) ; if ( this . s < 0 ) return this . t * BI_DB ; return - 1 ; }