GNU bug report logs - #642
23.0.60; garbled text (wrong font?) in About GNU Emacs screen

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: Jason Rumney <jasonr <at> f2s.com>
Subject: bug#642: marked as done (23.0.60; garbled text (wrong font?) in 
 About GNU Emacs screen)

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Your message dated Sun, 23 Nov 2008 23:22:27 +0800
with message-id <49297533.3040505 <at> f2s.com>
and subject line Re: bug#642: 23.0.60;garbled text (wrong font?) in About GNU Emacs screen
has caused the Emacs bug report #642,
regarding 23.0.60; garbled text (wrong font?) in About GNU Emacs screen
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


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642: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=642
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From: "Drew Adams" <drew.adams <at> oracle.com>
To: <emacs-pretest-bug <at> gnu.org>
Subject: 23.0.60; garbled text (wrong font?) in About GNU Emacs screen
Date: Sat, 2 Aug 2008 13:23:25 -0700

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emacs -Q --debug-init -l ".../path/to/hexrgb.el" -l ".../path/to/oneonone.el" -f
"1on1-emacs"
 
See attached files hexrgb.el and oneonone.el, and screenshot.
This is a regression wrt a build of 2008-07-26, where there was no such problem.
 
In GNU Emacs 23.0.60.1 (i386-mingw-nt5.1.2600)
 of 2008-08-01 on LENNART-69DE564
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4) --no-opt --cflags -Ic:/g/include
-fno-crossjumping'
 
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ENU
  value of $XMODIFIERS: nil
  locale-coding-system: cp1252
  default-enable-multibyte-characters: t
 

[hexrgb.el (application/octet-stream, attachment)]

[oneonone.el (application/octet-stream, attachment)]

[bug-garbled-about-emacs.png (image/png, attachment)]

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From: Jason Rumney <jasonr <at> f2s.com>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 642-done <at> debbugs.gnu.org
Subject: Re: bug#642: 23.0.60;garbled text (wrong font?) in About GNU Emacs
 screen
Date: Sun, 23 Nov 2008 23:22:27 +0800

Drew Adams wrote:
> Here is some more info about this.
>   

> The display shows problems with font families Times and Helvetica. I use the
> standard Times and Helvetica Type1 fonts on Windows XP. E.g., the Times Roman
> font file is named TIR_____.PFM; the Helvetica file is HV_____.PFM.
>   


Thanks for your extra information.  I think this is related to the fact 
that the Uniscribe font backend can only use opentype and truetype 
fonts, but Windows by default defines font substitutions for Helvetica 
and Times to map to the Truetype fonts "Arial" and "Times New Roman". So 
the uniscribe backend picks these substitutes up, but somehow things get 
confused so the Type-1 fonts end up being loaded. I've added some code 
to specifically reject these substitutes, which are detected by 
comparing the font's "full name" with the name used to load it. 
Unfortunately this also catches many legitimate fonts, so I've had to 
pick out these two specific problematic substitutions. If there are any 
other specific fonts that cause this problem, then we will need to add 
rules for them too.

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