I just did the work today to make gnome-print be able to handle glyph offsets within a glyph string in its PDF output, and the technique should be copyable to improve on the <6 numbers> Tm (\1) Tj <6 numbers> Tm (\2) Tj ... approach that we have currently in the Cairo PDF backend. See the patch attached to http://bugzilla.gnome.org/show_bug.cgi?id=164230.
Move bugs against "cvs" version to "0.9.3" so we can remove the "cvs" version.
This has been fixed in: http://gitweb.freedesktop.org/?p=cairo.git;a=commit;h=e9a26966484171f94df41bd3abc83aae22682caa
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