https://bugzilla.wikimedia.org/show_bug.cgi?id=17766

--- Comment #23 from Brion Vibber <[email protected]> 2011-08-05 12:17:01 UTC 
---
Hmmm.... the fribidi transformation actually looks legit to me; the combining
characters should appear after their base characters in the stream, same as in
Latin ("e", "combining acute" -> renders like "é")

It looks like fribidi deliberately switched *to* keeping the combining
characters logically after their base characters some years ago; here's some
old threads on the subject:

http://www.mail-archive.com/[email protected]/msg01710.html
http://lists.freedesktop.org/archives/fribidi/2002-March/000067.html

It may be that something specific about how the underlying PDF library handles
fonts and combining characters could be incorrectly pushing them to the right
of their base characters; or it may simply not support combining characters and
so is inserting them visually in the logical order as if they were their own
letters...?

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