Re: save-buffer in tar-mode

[Kenichi Handa]

In article <address@hidden>, Tak Ota <address@hidden> writes:
>>  Yes.  tar-mode toggles enable-multibyte-characters on saving
>>  a file by set-buffer-multibyte and that function discards
>>  undo info.  To fix it, we must record this toggling in
>>  buffer-undo-list.  I proposed it long ago but was rejected
>>  at that time (I don't remember the reason, perhaps, just
>>  because it's not worth to work on it).

> Thanks for the explanation.  I think it should be fixed.  Or, at least
> this unwelcome side effect should be mentioned (warned) in the doc
> string of set-buffer-multibyte where currently no mentioning about
> this hidden trap.

I added this sentence in the docstring.

If the multibyte flag was really changed, undo information of the
current buffer is cleared.

---
Ken'ichi HANDA
address@hidden