Bug 7455 - PangoWarning: Error loading GPOS table 4097
Summary: PangoWarning: Error loading GPOS table 4097
Status: RESOLVED FIXED
Alias: None
Product: DejaVu
Classification: Unclassified
Component: General (show other bugs)
Version: unspecified
Hardware: x86 (IA32) Windows (All)
: high normal
Assignee: Deja Vu bugs
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Reported: 2006-07-07 04:09 UTC by Nicolas Mailhot
Modified: 2007-01-23 17:34 UTC (History)
1 user (show)

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Description Nicolas Mailhot 2006-07-07 04:09:41 UTC
Le Ven 7 juillet 2006 12:55, dragoran a écrit :

> since I am using the dejaVu fonts I get this when I start gedit from the
> console:
> sys:1: PangoWarning: Error loading GPOS table 4097
> what does this mean? (gedit works fine thought)
> is something wrong with the fonts?

with the fonts, fontforge or pango. Seems it's harmless but will open a bug
nevertheless
Comment 1 Ben Laenen 2006-07-07 04:30:01 UTC
This probably happens when using Mono: it happens because the GPOS table is 
empty, and Pango gives a warning about that.

FontForge creates this empty table instead of just not including the table 
because of Windows: IIRC it requires the GPOS table because it wouldn't read 
the GSUB table if it wasn't in the font.

Pango doesn't like the empty table and gives a warning every time. Note though 
that the empty table is not an error, it can be empty.
Comment 2 Paul Wise 2006-07-07 09:48:46 UTC
Perhaps this warning should be removed from pango, or at least removed from
non-debug builds? Seems like it isn't helpful in most cases.
Comment 3 Behdad Esfahbod 2006-07-09 21:11:52 UTC
If an empty GPOS is allowed in the OpenType spec (or even if it's not, but empty
GPOS is needed for Windows compatibility), just file a bug against Pango or
HarfBuzz (here at fd.o), and point to the font files and standard pages, such
that someone can come up with a patch.  I typically don't scan bugzillas for
possible Pango defects filed against other products :).
Comment 4 Behdad Esfahbod 2006-07-09 21:13:18 UTC
Filed here:

  http://bugzilla.gnome.org/show_bug.cgi?id=347073
Comment 5 Behdad Esfahbod 2006-07-24 18:10:22 UTC
Pango fixed to not warn on empty tables.  Closing.


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