return mark + hop_serialize_word( utf_length( item ) ) + item; 
return mark + hop_serialize_word( utf_length( item ) ) + encodeURIComponent(  item ); 
function hop_serialize_string( mark, item ) {   return mark + hop_serialize_word( utf_length( item ) ) + item;}
4636	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4636/38fec00cfcfe652797e9df2f30433341b486990b/hop-serialize.js/buggy/share/hop-serialize.js