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bug#20153: 24.4.91; destructive add-face-text-property and string deep c
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From: |
Eli Zaretskii |
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Subject: |
bug#20153: 24.4.91; destructive add-face-text-property and string deep copying |
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Date: |
Wed, 09 Oct 2019 20:10:16 +0300 |
> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Wed, 09 Oct 2019 05:04:03 +0200
> Cc: 20153@debbugs.gnu.org
>
> Instead I've now changed add_properties (and add_text_properties_1) to
> take a bool parameter to say whether they're allowed to be destructive
> or not, and make the add-face-text-property call that with false as the
> parameter if the object is a string. This fixes the test case for me
> and should hopefully have no measurable performance impact.
Isn't that a backward-incompatible change?