GNU bug report logs - #73041
30.0.90; track-changes-mode logs warnings (#70541 regression? not actually fixed?)

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From: Morgan Willcock <morgan <at> ice9.digital>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 73041 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>, epg <at> pretzelnet.org
Subject: bug#73041: 30.0.90; track-changes-mode logs warnings (#70541 regression?  not actually fixed?)
Date: Thu, 30 Jan 2025 19:54:24 +0000

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

>>>> I haven't figured out a way to reproduce it yet, but I've set
>>>> track-changes-record-errors to 'trace to try and get more information
>>>> the next time that it occurs.
>
> Hmm... looks like you're using the `emacs-30` code, where
> `track-changes-record-errors` doesn't yet support `trace`.  🙁
>
>> I encountered the issue again while doing a query-replace in a buffer
>> narrowed to a single function, after moving to the beginning of the
>> buffer.
>>
>> Here is the relevant part of my messages buffer:
>>
>>   Beginning of buffer
>>   track-changes--after: Assertion failed: (or
>> track-changes--before-no (<= track-changes--before-beg
>> (track-changes--state-beg track-changes--state) beg end
>> (track-changes--state-end track-changes--state)
>> track-changes--before-end))
>>   Mark set
>>   track-changes-fetch: Assertion failed: (not (memq id track-changes--clean-trackers))
>>   Undo
>>   Saving file /home/mwillcock/path/to/file/UserChooser.php...
>>   Use C-x 4 s to update shadows.
>>   Wrote /home/mwillcock/path/to/file/UserChooser.php
>>   track-changes-fetch: Assertion failed: (not (memq id track-changes--clean-trackers))
>>
>> The undo was because I had tried to answer "y" to the next replacement,
>> but I imagine that the track-changes error had exited the query-replace
>> process because the "y" was inserted into the buffer.
>
> Thanks for the details, it's very helpful.
>
> These seem to point not just to errors in other parts of Emacs, but in
> errors in `track-changes.el` itself.  I'll have to look more closely to
> try and figure out where it might come from.
>
> Just to rule some obvious candidate, could you clarify exactly which
> version of Emacs you were running?  Is it built from the Emacs-30.0.93
> tarball or from a particular commit in Git, or does it come from elsewhere?

The Emacs I am using is from the Emacs-30.0.93 tarball.

-- 
Morgan Willcock

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