return mark + hop_serialize_word( item.length ) + item; 
return mark + hop_serialize_word( utf_length( item ) ) + item; 
function hop_serialize_string( mark, item ) {   return mark + hop_serialize_word( item.length ) + item;}
4636	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4636/9bb5fe65bd353f1fb7d63c622c9f674b6d4ccee3/hop.js/buggy/share/hop.js