| he::tl ->
let start, stop = HExtlib.loc_of_floc he in
let floc1 = HExtlib.floc_of_loc (acc_len,start) in
let str1,_=MatitaGtkMisc.utf8_parsed_text text floc1 in
let str2,_ = MatitaGtkMisc.utf8_parsed_text text he in
| he::tl ->
let start, stop = HExtlib.loc_of_floc he in
let floc1 = HExtlib.floc_of_loc (acc_len,start) in
let str1,_=MatitaGtkMisc.utf8_parsed_text text floc1 in
let str2,_ = MatitaGtkMisc.utf8_parsed_text text he in