unofficial mirror of bug-gnu-emacs@gnu.org 
 help / color / mirror / code / Atom feed
From: Drew Adams <drew.adams@oracle.com>
To: 21523@debbugs.gnu.org
Subject: bug#21523: 25.0.50; Undo with active region adds extra text
Date: Sun, 20 Sep 2015 00:34:06 -0700 (PDT)	[thread overview]
Message-ID: <48592862-1630-4c61-aeed-1e3b720824de@default> (raw)

The Subject line is not very clear.  Here is a recipe.  You decide
whether the behavior is correct or a bug.  FWIW, this behavior is at
least as old as Emacs 20 (with transient-mark-mode on).

emacs -Q

In buffer *scratch*, put point before "that" on the last line.
`M-c', to capitalize "That".
`C-SPC C-e', to select the text after "That", up to eol.
(The region does not contain the word "That".)

`C-_' to undo the last change within the region.
The word "that" is inserted, giving this:

;; then enter the text in Thatthat file=A1=AFs own buffer.

This seems disconcerting, at least.  (Same behavior for `M-u' etc.)

(I can see the explanation of why this happens coming as a reply.  As I
say, you can decide whether this behavior is OK as is.)


In GNU Emacs 25.0.50.1 (i686-pc-mingw32)
 of 2015-09-05
Bzr revision: 2330ca33a97867f2ea1123bcf7bfe5cfcc030b36
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --host=3Di686-pc-mingw32 --enable-checking=3Dyes,glyphs'





             reply	other threads:[~2015-09-20  7:34 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-20  7:34 Drew Adams [this message]
2015-09-20 15:14 ` bug#21523: 25.0.50; Undo with active region adds extra text Stefan Monnier
2015-09-20 18:26   ` Richard Stallman
2015-09-20 19:43     ` Stefan Monnier
2021-08-16 12:39 ` Lars Ingebrigtsen
2021-08-16 13:13   ` Eli Zaretskii
2021-08-16 13:53     ` Lars Ingebrigtsen
2021-08-16 16:30       ` Eli Zaretskii
2021-08-18 13:31         ` Lars Ingebrigtsen
2022-05-05 14:37           ` Lars Ingebrigtsen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=48592862-1630-4c61-aeed-1e3b720824de@default \
    --to=drew.adams@oracle.com \
    --cc=21523@debbugs.gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).