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Summary: Nimbus Mono L Bold Oblique is not really monospace
https://bugzilla.redhat.com/show_bug.cgi?id=478332
Summary: Nimbus Mono L Bold Oblique is not really monospace Product: Fedora Version: rawhide Platform: All OS/Version: Linux Status: NEW Severity: medium Priority: low Component: urw-fonts AssignedTo: than@redhat.com ReportedBy: besfahbo@redhat.com QAContact: extras-qa@fedoraproject.org CC: than@redhat.com, fedora-fonts-bugs-list@redhat.com Classification: Fedora
Apparently glyph 227 (or maybe 226 according to fontforge) of /usr/share/fonts/default/Type1/n022024l.pfb has a width of 740 while all the other glyphs in the font have width 600. This causes fontconfig to mark the font as proportional instead of monospace. That then is causing other issues:
http://bugs.freedesktop.org/show_bug.cgi?id=17493
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https://bugzilla.redhat.com/show_bug.cgi?id=478332
James Cloos cloos@jhcloos.com changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |cloos@jhcloos.com
--- Comment #1 from James Cloos cloos@jhcloos.com 2008-12-28 11:20:28 EDT --- It is actually worse than that:
:; awk '/WX/ {print $4 " " $5}' urw-fonts/n022024l.afm|sort|uniq -c 544 WX 747 116 WX 774
shows that two widths exist in the metrics in the afm file.
:; t1disasm urw-fonts/n022024l.pfb |awk '/hsbw/ {print $(NF-1)}'|sort|uniq -c 544 579 116 600 1 775
confirms that info. (The one char with width 775 in the font is /.notdef.)
And it is not just bold oblique. Oblique shows:
:; t1disasm urw-fonts/n022023l.pfb |awk '/hsbw/ {print $(NF-1)}'|sort|uniq -c 1 583 1 592 547 598 111 600 1 775
and bold shows:
:; t1disasm urw-fonts/n022004l.pfb |awk '/hsbw/ {print $(NF-1)}'|sort|uniq -c 546 578 114 600 1 775
Only the base face gets it right:
:; t1disasm urw-fonts/n022003l.pfb |awk '/hsbw/ {print $(NF-1)}'|sort|uniq -c 661 600
(Courier is defined to have a width of 600 in 1000 unit/em space; that makes for a 2:1 aspect ratio when set 10/12. Most other monowidth fonts match that width; CMTT is the most prevalent exception, given that it was designed for use in a narrow book page.)
The fix is best started with t1disasm, t1asm and one's choice of sed, awk, perl or a text editor.
In the t1disasm output, do:
s/\d+ hsbw/600 hsbw/
then bump the font’s version and then use t1asm to convert that back to a pfb.
For the afm files, it is:
s/ WX \d+ / WX 600 /
and a similar bump to the Version: line. (Yes, the afm files for Nimbus Mono are completely screwed if it is supposed to be Courier-compatible.)
That might leave some glyphs uncentered. If so, a bit of tweaking will be necesary. A quick check, however, using ftview suggests that the above changes are enough.
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--- Comment #2 from James Cloos cloos@jhcloos.com 2008-12-28 12:25:54 EDT --- Oh. I should add that I did not do the grep(1)ing on an rh or fedora box, so YMMV.
The version I looked at came from an rh srpm named urw-fonts-2.3-6.1.1.src.rpm which has a sig date of Mon May 21 14:21:05 2007, Key ID b44269d04f2a6fd2.
I don’t know how that compares with the version(s?) shipping in current rh or fedora releases.
The Nimbus Mono faces were version 1.06.
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https://bugzilla.redhat.com/show_bug.cgi?id=478332
--- Comment #3 from Behdad Esfahbod besfahbo@redhat.com 2008-12-28 14:45:41 EDT --- $ awk '/WX/ {print $4 " " $5}' /usr/share/fonts/default/Type1/n022024l.afm|sort|uniq -c 518 WX 600 1 WX 740
$ t1disasm /usr/share/fonts/default/Type1//n022024l.pfb |awk '/hsbw/ {print $(NF-1)}'|sort|uniq -c 1 500 520 600 1 740
$ t1disasm /usr/share/fonts/default/Type1/n022023l.pfb |awk '/hsbw/ {print $(NF-1)}'|sort|uniq -c 533 600
$ t1disasm /usr/share/fonts/default/Type1/n022004l.pfb |awk '/hsbw/ {print $(NF-1)}'|sort|uniq -c 540 600
$ t1disasm /usr/share/fonts/default/Type1/n022003l.pfb |awk '/hsbw/ {print $(NF-1)}'|sort|uniq -c 563 600
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--- Comment #4 from James Cloos cloos@jhcloos.com 2008-12-28 15:25:02 EDT --- What is the rpm version?
If it is newer than what I have here I need to post a bug for this dist about it....
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--- Comment #5 from Behdad Esfahbod besfahbo@redhat.com 2008-12-28 16:17:25 EDT --- urw-fonts-2.4-6.fc10.noarch
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--- Comment #6 from James Cloos cloos@jhcloos.com 2008-12-29 10:09:38 EDT --- Thanks.
I grabbed that srpm. The broken glyph in that version is /dcaron.
Testing it with the width set to 600 shows that the “caron”¹ will stick out a bit; the glyph shape may need to be adjusted as well.
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https://bugzilla.redhat.com/show_bug.cgi?id=478332
--- Comment #8 from Bug Zapper fedora-triage-list@redhat.com 2010-04-27 08:39:14 EDT ---
This message is a reminder that Fedora 11 is nearing its end of life. Approximately 30 (thirty) days from now Fedora will stop maintaining and issuing updates for Fedora 11. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as WONTFIX if it remains open with a Fedora 'version' of '11'.
Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version prior to Fedora 11's end of life.
Bug Reporter: Thank you for reporting this issue and we are sorry that we may not be able to fix it before Fedora 11 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora please change the 'version' of this bug to the applicable version. If you are unable to change the version, please add a comment here and someone will do it for you.
Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.
The process we are following is described here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
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Bug Zapper fedora-triage-list@redhat.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |CLOSED Resolution| |WONTFIX
--- Comment #9 from Bug Zapper fedora-triage-list@redhat.com 2010-06-28 07:02:34 EDT ---
Fedora 11 changed to end-of-life (EOL) status on 2010-06-25. Fedora 11 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug.
If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version.
Thank you for reporting this bug and we are sorry it could not be fixed.
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