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bug#65267: 30.0.50; modifying debug-ignored-errors during startup with -
From: |
Stefan Monnier |
Subject: |
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken |
Date: |
Sun, 13 Aug 2023 15:47:33 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
[ Added Noam, since we're mentioning a problem linked to yasnippet.el. ]
>> Yeah, it's wrong, but I'm not sure how to fix it:
>> `--debug-init` needs to change the value of `debug-ignored-errors` while
>> `init.el` is executed,
>
> FWIW, I'm sure I'm missing something, but the above is far from obvious
> to me. Why does --debug-init need to muck with debug-ignored-errors at
> all? debug-ignored-errors usually/mostly contains errors unlikely to
> occur during startup,
"unlikely" doesn't mean they should be ignored: `debug-ignored-errors`
is for errors which should not bring up a debugger if they occur in
interactive use, but they're still errors, and if they occur during
`init.el` they are definitely not ignored: they stop the processing of
`init.el`. So when debugging init errors, we *should* bring up the
debugger for them.
>> Maybe we should introduce a new `inhibit-debug-ignored-errors` which we
>> could let-bind while loading `init.el` without having to modify
>> `debug-ignored-errors` itself?
>
> If ignoring debug-ignored-errors during startup is really necessary,
> that sounds like a possibly cleaner way, indeed
..
> (albeit introducing yet another form to ignore another form ignoring
> errors...).
Yes, that's what's making me hesitate.
>> We could document that modifying debug-ignored-errors only works
>> reliably if done from after-init-hook. WDYT?
>
> Pushing the breakage downstream... would mean packages like yasnippet
> would have to adapt, among other things. Not the end of the world, I
> guess, but I still don't understand why the breakage (or "change in
> behavior", if you prefer) is necessary or desired.
Hmm... thanks for pointing out that left-over thingy in `yasnippet.el`
which should have been removed as part of:
commit 175e0a3a102c22c0c99d8d00ecf8bc8539a4e593
Author: João Távora <joaotavora@gmail.com>
Date: Mon Nov 17 11:27:30 2014 +0000
Clean up previous change
* yasnippet.el: Update comment.
(yas--protection-violation): Removed.
(yas--on-protection-overlay-modification): Simplified.
(yas--post-command-handler): No longer reference
`yas--protection-violation'
I pushed a commit to clean this up to the `scratch/yasnippet` branch of
elpa.git.
Stefan
- bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, (continued)
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, Stefan Monnier, 2023/08/13
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken,
Stefan Monnier <=
Message not availablebug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, Eli Zaretskii, 2023/08/13
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, Štěpán Němec, 2023/08/14
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, Eli Zaretskii, 2023/08/17
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, Stefan Monnier, 2023/08/17
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, Eli Zaretskii, 2023/08/17
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, Štěpán Němec, 2023/08/17
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, Eli Zaretskii, 2023/08/17
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, Eli Zaretskii, 2023/08/17
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, Štěpán Němec, 2023/08/17
bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, bug#65267: 30.0.50; modifying debug-ignored-errors during startup with --debug-init is broken, Eli Zaretskii, 2023/08/17