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bug#1501: Emacs 22 loses undo buffer
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From: |
Noam Postavsky |
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Subject: |
bug#1501: Emacs 22 loses undo buffer |
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Date: |
Tue, 20 Aug 2019 14:45:08 -0400 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (windows-nt) |
Stefan Kangas <stefan@marxist.se> writes:
> increase in the memory usage of each undo record, especially when
> using font-lock-mode. I'm not sure that is a serious problem, since
> memory is only getting cheaper, but it might be worth investigating.
> On the other hand, we could just decide that this is not worth the
> effort and close this as wontfix.
Hmm, it sounds like the problem might just be due to saving text
properties in the undo records? If so, maybe a simple fix is to just
drop them (or drop only face and font-lock-face properties).