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

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

>> If I understand correctly, the suggestion here is to use this function
>> in Info-find-node-2 instead of `filepos-to-bufferpos'?
>
> "Unless it's too slow".

Let's see...

> The original (and so far the only) use case was an Info manual
> separated into several files, where the tag table at the end of the
> main file specifies offsets in bytes.  See the function
> Info-find-node-2 in info.el.

We no longer split up .info files into several files, so that's a bit
difficult to test.  But there's one new in-tree usage for this -- in
hexl.el.  (In hexl-mode-exit and hexl-maybe-dehexlify-buffer.)  I don't
know whether that has the problem described in this bug report, though
(I'm not familiar with hexl.el at all).

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