let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
(* CSC: why +1 in the following lines ???? *)
let parsed_text_length = parsed_text_length + 1 in
let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
(* CSC: why +1 in the following lines ???? *)
let parsed_text_length = parsed_text_length + 1 in