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Re: How can I undo a change from a modification-hook?
From: |
Clément Pit-Claudel |
Subject: |
Re: How can I undo a change from a modification-hook? |
Date: |
Wed, 26 Apr 2017 10:23:23 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 |
On 2017-04-26 09:52, Stefan Monnier wrote:
>>> [ and while you're there, check that the beg/end/len is within the
>>> announces beg/end stashed earlier, and if it's not just don't do
>>> anything since it means the stash buffer-undo-list is likely
>>> unrelated. ]
>> This part worries me. Could you clarify when this would happen?
>
> In rare corner cases (most of them bugs).
>
>> Not doing anything is risky, because it puts the buffer in an inconsistent
>> state wrt the subprocess :/
>
> In the case of PG, I'd suggest you treat such a case as
> a non-whitespace change.
But I can't, can I? The damage (the change) is already done at that point, and
I can't revert it. Am I missing something?
Clément.
- How can I undo a change from a modification-hook?, Clément Pit--Claudel, 2017/04/26
- Re: How can I undo a change from a modification-hook?, Stefan Monnier, 2017/04/26
- Re: How can I undo a change from a modification-hook?, Clément Pit-Claudel, 2017/04/26
- Re: How can I undo a change from a modification-hook?, Stefan Monnier, 2017/04/26
- Re: How can I undo a change from a modification-hook?,
Clément Pit-Claudel <=
- Re: How can I undo a change from a modification-hook?, Stefan Monnier, 2017/04/26
- Re: How can I undo a change from a modification-hook?, Clément Pit-Claudel, 2017/04/26
- Re: How can I undo a change from a modification-hook?, Stefan Monnier, 2017/04/26
- Re: How can I undo a change from a modification-hook?, Clément Pit-Claudel, 2017/04/26
- Re: How can I undo a change from a modification-hook?, Stefan Monnier, 2017/04/27
- Re: How can I undo a change from a modification-hook?, Clément Pit-Claudel, 2017/04/27
- Re: How can I undo a change from a modification-hook?, Stefan Monnier, 2017/04/27