bug#71525: 30.0.50; Spin in delete-region/interval_deletion_adjustment Spin in delete-region/interval_deletion_adjustment)

[Dmitry Gutov <dmitry@gutov.dev>]

On 14/06/2024 21:46, Eli Zaretskii wrote:
>> Date: Fri, 14 Jun 2024 21:17:22 +0300
>> Cc:steven@stebalien.com,jporterbugs@gmail.com,71525@debbugs.gnu.org
>> From: Dmitry Gutov<dmitry@gutov.dev>
>>
>> On 14/06/2024 10:13, Eli Zaretskii wrote:
>>>>    /* Insert a sequence of NCHARS chars which occupy NBYTES bytes
>>>>       starting at GAP_END_ADDR - NBYTES (if text_at_gap_tail) and at
>>>> -   GPT_ADDR (if not text_at_gap_tail).  */
>>>> +   GPT_ADDR (if not text_at_gap_tail).
>>>> +
>>>> +  If BEFORE_MARKERS is true, insert before markers. */
>>> This commentary should also mention process.c as the single caller
>>> using this facility in unconventional ways.
>> Also note that I did make some effort to make the field
>> coding->insert_before_markers used consistently: in the changeset, it's
>> not just obeyed on the code path that decode_coding_c_string goes
>> through - it's used anywhere where insert_from_gap is called and a
>> coding_system structure is available - e.g. in encode_coding.
>>
>> Also in decode_coding_gap, but that one seems to only have one caller
>> (insert-file-contents), so that choice is moot.
>>
>> Something else I've noticed (a bit off topic): insert_from_gap_1's
>> comments says that it "does not invalidate any cache, nor update any
>> markers, nor record any buffer modification information of any sort",
>> but then it calls treesit_record_change when available. Not sure we need
>> to change that, but maybe we should update the comment, at least.
> Thanks, done.
> 
> I think we can now close this bug.

Thanks everyone! I think we've now crash-debugged every new code path. ;-)