http://bugs.winehq.org/show_bug.cgi?id=19171
--- Comment #7 from Dmitry Timoshkov dmitry@codeweavers.com 2010-05-03 02:33:02 --- (In reply to comment #6)
I don't know what PowerPoint expects, but it's creating an instance of "DejaVu Sans" with a charset of SYMBOL_CHARSET
That's probably the source of the problem. Is "DejaVu Sans" the intended font or gdi32 chooses it as a replacement for a missing font?