nl_tokens: Parse the Accept - Charset header .
pl_tokens: function parseAcceptCharset ( accept ) { var accepts = <mask> . split ( ',' ) ; for ( var i = 0 , j = 0 ; i < accepts . length ; i ++ ) { var charset = parseCharset ( accepts [ i ] . trim ( ) , i ) ; if ( charset ) { accepts [ j ++ ] = charset ; } } // trim accepts accepts . length = j ; return accepts ; }