let post = Netconversion.ustring_sub `Enc_utf8 y
(Netconversion.ustring_length `Enc_utf8 text - y) text in
let _,title = MatitaExcPp.to_string exn in
let post = Netconversion.ustring_sub `Enc_utf8 y
(Netconversion.ustring_length `Enc_utf8 text - y) text in
let _,title = MatitaExcPp.to_string exn in