From: Lars Ingebrigtsen <larsi@gnus.org>
To: "Štěpán Němec" <stepnem@gmail.com>
Cc: 9871@debbugs.gnu.org
Subject: bug#9871: `query-replace' and friends break text properties
Date: Sun, 18 Aug 2019 17:03:28 -0700 [thread overview]
Message-ID: <878srq3ttb.fsf@mouse.gnus.org> (raw)
In-Reply-To: <87fwig4sss.fsf@gmail.com> ("Štěpán Němec"'s message of "Wed, 26 Oct 2011 00:20:35 +0200")
Štěpán Němec <stepnem@gmail.com> writes:
> emacs -Q
> (put-text-property (point-min) (point) 'oh-no! t)
> M-<
> M-% buffer RET fluffer RET y
>
> Whoops, the property's gone in the replaced text.
>
> The replacement commands should honour text properties just as
> `self-insert-command' does.
I guess the question becomes -- what text properties should be in the
result?
If you have
(with-temp-buffer
(insert (propertize "hel" 'face 'bold))
(insert (propertize "lo" 'face 'underline))
(goto-char (point-min))
(replace-regexp "ell" "yes, well")
(buffer-string))
should "yes, well" be in bold or underline? Or a mix? I don't really
think there's any solution here that will satisfy anybody.
But I guess it would make some sense to view this as "delete the text,
and then pretend we're inserting text as if by `self-insert-command'",
which would make the new text bold here.
I don't know... all solutions here seem kinda ad hoc, so perhaps the
current behaviour is the least surprising. Any opinions?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
next prev parent reply other threads:[~2019-08-19 0:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-25 22:20 bug#9871: `query-replace' and friends break text properties Štěpán Němec
2019-08-19 0:03 ` Lars Ingebrigtsen [this message]
2019-08-19 0:57 ` Drew Adams
2019-08-19 8:43 ` Štěpán Němec
2019-08-19 20:37 ` Lars Ingebrigtsen
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