nl_tokens: Read content in ArrayBuffer for give keyinfo object
pl_tokens: function read_object ( input , block , keyinfo ) { if ( input . byteLength > 0 ) { var scanner = Scanner ( input ) . readBlock ( block . comp_size , block . decomp_size ) ; scanner . forward ( keyinfo . offset - block . decomp_offset ) ; return scanner . readRaw ( keyinfo . <mask> ) ; } else { throw '* OUT OF FILE RANGE * ' + keyinfo + ' @offset=' + block . comp_offset ; } }