GNU bug report logs - #15514
24.3.50; Re: Issue with fonts on macosx

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Markus Pahlow <mpahlow <at> geomar.de>
Subject: bug#15514: closed (Re: bug#15514: 24.3.50; Re: Issue with fonts
 on macosx)
Date: Thu, 17 Aug 2017 20:26:02 +0000

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Your bug report

#15514: 24.3.50; Re: Issue with fonts on macosx

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 15514 <at> debbugs.gnu.org.

-- 
15514: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15514
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Alan Third <alan <at> idiocy.org>
To: Markus Pahlow <mpahlow <at> geomar.de>
Cc: 15514-done <at> debbugs.gnu.org
Subject: Re: bug#15514: 24.3.50; Re: Issue with fonts on macosx
Date: Thu, 17 Aug 2017 21:25:23 +0100

Markus Pahlow <mpahlow <at> geomar.de> writes:

> After the Mac port font backend was ported to the trunk, there
> appeared a new display problem with LaTeX files on macosx. When I open
> a file in latex mode and enter $x_0^0$, both 0s are shown in
> superscript position, whereasthe first 0 should be in subscript
> position. Also, when using AUCTeX, all the section, subsection, etc.
> arguments are shown in subscript position. A recipe to reproduce the
> problem from emacs -Q: open a file "test.tex" and enter $x_0^0$.

Hi, sorry nobody's got back to you about this before now. I can't
reproduce in Emacs 25+. I think it's probably been fixed at some point.
I'll close this bug report, but if you're still seeing this behaviour,
please reply and let us know.
-- 
Alan Third

[Message part 3 (message/rfc822, inline)]

From: Markus Pahlow <mpahlow <at> geomar.de>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.50; Re: Issue with fonts on macosx
Date: Wed, 2 Oct 2013 08:56:09 +0200

After the Mac port font backend was ported to the trunk, there appeared a new display problem with LaTeX files on macosx.  When I open a file in latex
mode and enter $x_0^0$, both 0s are shown in superscript position, whereasthe first 0 should be in subscript position.  Also, when using AUCTeX, all
the section, subsection, etc. arguments are shown in subscript position.  A recipe to reproduce the problem from emacs -Q: open a file "test.tex" and enter $x_0^0$.
When I comment out these lines (starting on line 1178) in nsfns.m:
#ifdef NS_IMPL_COCOA
#if MAC_OS_X_VERSION_MAX_ALLOWED >=3D MAC_OS_X_VERSION_10_5
if (CTGetCoreTextVersion !=3D NULL
     && CTGetCoreTextVersion () >=3D kCTVersionNumber10_5)
   mac_register_font_driver (f);
#endif
#endif
and recompile, the LaTeX code is displayed correctly again.  Can you reproduce this problem?  I use clang version 500.2.75 from xcode 5 and osx 10.8.5.  I don't know what the above code does, but I hope it helps finding the cause of the problem.
I was advised by Jan Djärv that setting the font-backend frame parameter to "ns" also corrects the display problem.
Many thanks.


In GNU Emacs 24.3.50.1 (i386-apple-darwin12.5.0, NS apple-appkit-1187.39)
of 2013-09-25 on hui.geomar.de
Windowing system distributor `Apple', version 10.3.1187
Configured using:
`configure --with-ns CFLAGS=3D-O4 CC=3Dclang 'CPP=3Dclang -E''

Important settings:
  value of $LC_CTYPE: en_GB.UTF-8
  value of $LANG: en_GB.UTF-8
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  TeX-PDF-mode: t
  TeX-source-correlate-mode: t
  smartparens-global-mode: t
  smartparens-mode: t
  global-rainbow-delimiters-mode: t
  rainbow-delimiters-mode: t
  tabbar-mwheel-mode: t
  tabbar-mode: t
  shell-dirtrack-mode: t
  show-paren-mode: t
  recentf-mode: t
  global-hl-line-mode: t
  global-auto-revert-mode: t
  delete-selection-mode: t
  diff-auto-refine-mode: t
  savehist-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  global-visual-line-mode: t
  visual-line-mode: t
  transient-mark-mode: t

Recent input:
<escape> x r e p o <tab> r <tab> <return>

Recent messages:
Loading delsel...done
Loading autorevert...done
Loading hl-line...done
Loading recentf...done
Loading paren...done
Loading /Users/mpahlow/.emacs.d/recentf...done
Cleaning up the recentf list...done (0 removed)
Loading /Users/mpahlow/.emacs.d/custom.el (source)...done
For information about GNU Emacs and the GNU system, type C-h C-a.
Making completion list...

Load-path shadows:
/Users/mpahlow/.emacs.d/elpa/gnuplot-20130207.101/gnuplot hides /usr/local/=
share/emacs/site-lisp/gnuplot
/Users/mpahlow/.emacs.d/elpa/gnuplot-20130207.101/gnuplot-gui hides /usr/lo=
cal/share/emacs/site-lisp/gnuplot-gui
~/.emacs.d/el-get/el-get/.dir-locals hides /usr/local/src/emacs/nextstep/Em=
acs.app/Contents/Resources/lisp/gnus/.dir-locals

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