GNU bug report logs - #21769
25.0.50; delete-trailing-whitespace gobbles up text.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Puneeth Chaganti <punchagan <at> muse-amuse.in>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.50; delete-trailing-whitespace gobbles up text.
Date: Tue, 27 Oct 2015 16:59:06 +0530

[search_objects.py (text/x-python, attachment)]

[Message part 2 (text/plain, inline)]

`delete-trailing-whitespace` deletes some of the text in a buffer.

To reproduce the issue, open the attached file using emacs -Q and then call
`M-x delete-trailing-whitespace'.


In GNU Emacs 25.0.50.2 (x86_64-unknown-linux-gnu, GTK+ Version 3.16.7)
 of 2015-10-27
Repository revision: 22579baf62fc5e6a4f0482172eb7a4e71d6fbcda
Windowing system distributor 'The X.Org Foundation', version 11.0.11702000
System Description:	Ubuntu 15.10

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF GSETTINGS
NOTIFY LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11

Important settings:
  value of $LC_MONETARY: en_IN.UTF-8
  value of $LC_NUMERIC: en_IN.UTF-8
  value of $LC_TIME: en_IN.UTF-8
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.

Load-path shadows:
None found.

Features:
(shadow sort gnus-util mail-extr emacsbug message dired format-spec
rfc822 mml mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util help-fns help-mode easymenu cl-loaddefs pcase cl-lib mail-prsvr
mail-utils time-date mule-util tooltip eldoc electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel x-win term/common-win x-dnd
tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment
elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan
thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian
slovak czech european ethiopic indian cyrillic chinese charscript
case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
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custom widget hashtable-print-readable backquote dbusbind inotify
dynamic-setting system-font-setting font-render-setting move-toolbar gtk
x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 16 82593 4941)
 (symbols 48 19174 0)
 (miscs 40 563 135)
 (strings 32 13437 4543)
 (string-bytes 1 407060)
 (vectors 16 11115)
 (vector-slots 8 423373 4520)
 (floats 8 133 16)
 (intervals 56 193 0)
 (buffers 976 11)
 (heap 1024 33512 1049))

Message #14 received at 21769 <at> debbugs.gnu.org (full text, mbox):

From: Juanma Barranquero <lekktu <at> gmail.com>
To: Puneeth Chaganti <punchagan <at> muse-amuse.in>
Cc: 21769 <at> debbugs.gnu.org
Subject: Re: bug#21769: 25.0.50; delete-trailing-whitespace gobbles up text.
Date: Tue, 27 Oct 2015 15:00:45 +0100

[Message part 1 (text/plain, inline)]

merge 21766 21769
quit
​

Yes, the bug was just filed as #21766 and we're working on it.

Thanks for your test case, which is *much* shorter than the one in
bug#21766.

[Message part 2 (text/html, inline)]

Message #17 received at 21769 <at> debbugs.gnu.org (full text, mbox):

From: Kaushal Modi <kaushal.modi <at> gmail.com>
To: 21769 <at> debbugs.gnu.org
Subject: Re: 25.0.50; delete-trailing-whitespace gobbles up text.
Date: Tue, 27 Oct 2015 13:53:55 -0400

I have also noticed this, but I was unable to reproduce it consistently.
I saw the text gobbling happen only in sh-script-mode till now. So
whenever that happened, I would switch to fundamental-mode to prevent
that.



--
Kaushal Modi

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