bug#21567: 25.0.50; ediff-region-wordwise fails for latex buffers, emacs -Q

bug#21567: 25.0.50; ediff-region-wordwise fails for latex buffers, emacs -Q

[Uwe Brauer]

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Hello

this bug report should replace the one I sent yesterday. This time I
started emacs -Q and also deleted jit-lock file which shadowed the one
emacs ships. I send this bug reported after the error occurred



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Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)
  redisplay--update-region-highlight(#<window 16 on section-0005.tex-Region.A->)
  run-hook-with-args(redisplay--update-region-highlight #<window 16 on section-0005.tex-Region.A->)
  redisplay--pre-redisplay-functions(t)
  apply(redisplay--pre-redisplay-functions t)
  #[128 "\300\301\x02\"\210\300\302\x02\"\207" [apply redisplay--pre-redisplay-functions ignore nil] 4 nil nil](t)
  redisplay_internal\ \(C\ function\)()
  recursive-edit()
  ediff-clone-buffer-for-region-comparison("section-0005.tex" "-Region.A-")
  ediff-regions-wordwise("section-0005.tex" "section-0005-rev-1.5.tex")
  funcall-interactively(ediff-regions-wordwise "section-0005.tex" "section-0005-rev-1.5.tex")
  call-interactively(ediff-regions-wordwise record nil)
  command-execute(ediff-regions-wordwise record)
  execute-extended-command(nil "ediff-regions-wordwise" "ediff-regions-wo")
  funcall-interactively(execute-extended-command nil "ediff-regions-wordwise" "ediff-regions-wo")
  call-interactively(execute-extended-command nil nil)
  command-execute(execute-extended-command)

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In GNU Emacs 25.0.50.1 (i686-pc-linux-gnu, GTK+ Version 2.20.1)
 of 2015-09-20
Repository revision: 00a65e3238a888fc92b0c2aab8cb5bda8bd99c29
Windowing system distributor 'The X.Org Foundation', version 11.0.10706000
System Description:	Ubuntu 10.04.4 LTS

Configured using:
 'configure --prefix=/opt/emacs25/'

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND GPM DBUS NOTIFY GNUTLS LIBXML2 FREETYPE
M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK2 X11

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Debugger

Minor modes in effect:
  shell-dirtrack-mode: t
  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.
Quit
Making completion list... [2 times]
Please type y, n, or !: y
Making completion list... [2 times]
Quit
Making completion list...
Entering debugger...
Saving file /home/oub/ALLES/Karp/Static-Solutions/EulerPoisson_Uwe/split-euler-poisson/bug-ediff-emacs-q.txt...
Wrote /home/oub/ALLES/Karp/Static-Solutions/EulerPoisson_Uwe/split-euler-poisson/bug-ediff-emacs-q.txt

Load-path shadows:
None found.

Features:
(shadow sort hashcash gnus-util mail-extr emacsbug message dired
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rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045
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pcase cl-lib vc-filewise vc-rcs tex-mode compile shell pcomplete comint
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dbusbind inotify dynamic-setting font-render-setting move-toolbar gtk
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Memory information:
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 (symbols 24 27705 0)
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bug#21567: 25.0.50; ediff-region-wordwise fails for latex buffers, emacs -Q

[Eli Zaretskii]

> From: Uwe Brauer <oub@mat.ucm.es> 
> Date: Sat, 26 Sep 2015 11:03:48 +0200
> 
> this bug report should replace the one I sent yesterday. This time I
> started emacs -Q and also deleted jit-lock file which shadowed the one
> emacs ships. I send this bug reported after the error occurred

Thanks.

I'm sorry: I forgot that reporting the last keystrokes was removed
from the bug report "for privacy reasons".  So please do show the
sequence of the commands needed to reproduce this problem, starting
from "emacs -Q".

bug#21567: 25.0.50; ediff-region-wordwise fails for latex buffers, emacs -Q

[Uwe Brauer]

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On 09/26/2015 11:31 AM, Eli Zaretskii wrote:
>> From: Uwe Brauer <oub@mat.ucm.es> 
>> Date: Sat, 26 Sep 2015 11:03:48 +0200
>> 
>> this bug report should replace the one I sent yesterday. This time I
>> started emacs -Q and also deleted jit-lock file which shadowed the one
>> emacs ships. I send this bug reported after the error occurred
> 
> Thanks.
> 
> I'm sorry: I forgot that reporting the last keystrokes was removed
> from the bug report "for privacy reasons".  So please do show the
> sequence of the commands needed to reproduce this problem, starting
> from "emacs -Q".
> 
do you mean the ones shown by lossage C-h l?


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bug#21567: 25.0.50; ediff-region-wordwise fails for latex buffers, emacs -Q

[Eli Zaretskii]

> Date: Sat, 26 Sep 2015 11:56:21 +0200
> From: Uwe Brauer <oub@mat.ucm.es>
> CC: 21567@debbugs.gnu.org
> 
> > I'm sorry: I forgot that reporting the last keystrokes was removed
> > from the bug report "for privacy reasons".  So please do show the
> > sequence of the commands needed to reproduce this problem, starting
> > from "emacs -Q".
> > 
> do you mean the ones shown by lossage C-h l?

Yes.  Or simply describe in your own words what you did after starting
Emacs.

TIA

bug#21567: 25.0.50; ediff-region-wordwise fails for latex buffers, emacs -Q

[Uwe Brauer]

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> Yes.  Or simply describe in your own words what you did after starting
> Emacs.

Sorry for the delay. Attached you find two short latex files for which
the problem occurs. I prefer to describe the steps.

    -  emacs -Q

    -  set-variable debug-on-error t

    -  open old.tex via find-file

    -  open new.tex via find-file

    -  in new tex run ediff-regions-wordswise

    -  enter buffer new.tex and buffer old.tex  

    -  the error described occurs.

Uwe Brauer 


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[-- Attachment #2: new.tex --]
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\documentclass[12pt]{article}
\newcommand*{\setR}{\mathbb{R}}
\usepackage{amsmath,amssymb}
% (setq font-latex-fontify-script 'invisible)
% (setq font-latex-fontify-script nil) 
% (setq font-latex-fontify-script t) 
% (setq font-latex-fontify-script 'multi-level)
% (font-lock-flush) this 
\begin{document}

New Integral: 
  \begin{equation*}
    \left\|\left( \Psi_m A^a\right)_{2^j}\right\|_{H^{s}}\lesssim
    \left\|\left( (\psi_m A^a)_{2^m}\right)_{2^{j-m}}\right\|_{H^{s}}\leq C(2^{j-m})
    \left\| (\psi_m A^a)_{2^m}\right\|_{H^{s}}.
  \end{equation*} 
\begin{equation}
\label{eq:new:2}
\int_{a+1} A^{a} dx = \sum\limits_a^b \lambda  \varrho 
\end{equation}
\begin{equation}
\label{eq:klaus-t15sep:6}
\int\limits_a^b \quad \qquad \qquad \qquad 
\end{equation}
\begin{equation}
\int_a
\end{equation}
\begin{equation}
  \label{eq:new:1}
  \int_1 y_{n+1} \int_{n} \quad 
\end{equation}
\end{document}


%%% Local Variables:
%%% mode: latex
%%% TeX-master: t
%%% End:

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[-- Attachment #3: old.tex --]
[-- Type: text/x-tex, Size: 742 bytes --]

\documentclass[12pt]{article}
\newcommand*{\setR}{\mathbb{R}}
\usepackage{amsmath,amssymb}
% (setq font-latex-fontify-script 'invisible)
% (setq font-latex-fontify-script nil) 
% (setq font-latex-fontify-script t) 
% (setq font-latex-fontify-script 'multi-level)
% (font-lock-flush) this 
\begin{document}

old Integral:
\begin{equation}
  \label{eq:new:2}
  \int_{a+1} A^{a} dx = \sum\limits_a^b \lambda  \varrho 
\end{equation}
\begin{equation}
  \label{eq:klaus-t15sep:6}
  \int\limits_a^b \quad \qquad \qquad \qquad 
\end{equation}
\begin{equation}
  \int_a
\end{equation}
\begin{equation}
  \label{eq:new:1}
  \int_1 y_{n+1} \int_{n} \quad 
\end{equation}
\end{document}


%%% Local Variables:
%%% mode: latex
%%% TeX-master: t
%%% End:

bug#21567: 25.0.50; ediff-region-wordwise fails for latex buffers, emacs -Q

[Eli Zaretskii]

> From: Uwe Brauer <oub@mat.ucm.es>
> Cc: Uwe Brauer <oub@mat.ucm.es>, 21567@debbugs.gnu.org
> Date: Mon, 28 Sep 2015 14:39:37 +0200
> 
> > Yes.  Or simply describe in your own words what you did after starting
> > Emacs.
> 
> Sorry for the delay. Attached you find two short latex files for which
> the problem occurs. I prefer to describe the steps.
> 
>     -  emacs -Q
> 
>     -  set-variable debug-on-error t
> 
>     -  open old.tex via find-file
> 
>     -  open new.tex via find-file
> 
>     -  in new tex run ediff-regions-wordswise
> 
>     -  enter buffer new.tex and buffer old.tex  
> 
>     -  the error described occurs.

Thanks, fixed.

bug#21567: 25.0.50; ediff-region-wordwise fails for latex buffers, emacs -Q

[Uwe Brauer]

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> On 28 Sep 2015, at 17:54, Eli Zaretskii <eliz@gnu.org> wrote:
> 
> Thanks, fixed.

Confirm fix. 

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