Bug 12780

Summary:	fi/fl ligatures go wrong when using justification in Firefox
Product:	DejaVu	Reporter:	NMONNET <nico>
Component:	Sans	Assignee:	Deja Vu bugs <dejavu-bugs>
Status:	RESOLVED NOTOURBUG	QA Contact:
Severity:	normal
Priority:	medium
Version:	unspecified
Hardware:	All
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:
Attachments:	f'd up "fi" ligature when using justified paragraphs in wikipedia still justified, display is now correct when "fi" is highlighted during search justification now disabled (align left), display is fine

Description NMONNET 2007-10-11 09:29:12 UTC

When enabling "justified paragraphs" in Wikipedia, I noticed that "fi" and "fl" ligatures looked wrong, the following characters overwrite it slightly.

(attaching pictures to demonstrate)

Note that this happens on:

* Gentoo ~amd64 Firefox 2.0.0.7, pango 1.18.2, dejavu 2.20
* Ubuntu Gutsy x86, Firefox 2.0.0.6, pango 1.18.2, dejavu 2.19-1ubuntu2

Comment 1 NMONNET 2007-10-11 09:30:52 UTC

Created attachment 11993 [details]
f'd up "fi" ligature when using justified paragraphs in wikipedia

Comment 2 NMONNET 2007-10-11 09:31:48 UTC

Created attachment 11994 [details]
still justified, display is now correct when "fi" is highlighted during search

Comment 3 NMONNET 2007-10-11 09:33:39 UTC

Created attachment 11995 [details]
justification now disabled (align left), display is fine

Comment 4 NMONNET 2007-10-11 09:43:54 UTC

I should add that stock Bitstream Vera Sans do not display this problem.

Comment 5 Denis Jacquerye 2007-10-11 09:47:57 UTC

Thanks for the bug report but this isn't a DejaVu bug. It just happens that DejaVu fonts trigger
the Firefox/Mozilla bug. Other fonts out there also have Latin ligatures, you can't expect them to remove ligatures just for a Mozilla bug.
The bug has been fixed in Firefox 3.0, so just wait for that version.

See https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/37828 (with a workaround for DejaVu 2.19) and
https://bugzilla.mozilla.org/show_bug.cgi?id=331716

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