bug#46933: Possible bugs in filepos-to-bufferpos / bufferpos-to-filepos

[handa]

In article <83tuovmivc.fsf@gnu.org>, Eli Zaretskii <eliz@gnu.org> writes:

> > Any coding system can have :post-read-conversion and
> > :pre-write-conversion functions, it is not guaranteed that encoded byte
> > length is greater than the number of characters.

> Agreed, but AFAICT, ISO-2022-JP doesn't have any of these attributes,
> right?

Yes, but one can add them by coding-system-put.

By the way, what is the intention of filepos-to-bufferpos?  Why that
function was introduce?

---
K. Handa
handa@gnu.org