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Re: How can I undo a change from a modification-hook?
From: |
Stefan Monnier |
Subject: |
Re: How can I undo a change from a modification-hook? |
Date: |
Wed, 26 Apr 2017 14:43:38 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) |
>>>> 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.
>> But you can "retract" until the beginning of the changed area.
> No, not if the current subprocess is busy.
Not sure why it matters: you queue the retraction commands for execution
when the subprocess is done with its current command(s).
Stefan
- 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, 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 <=
- 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