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http://www.openoffice.org/issues/show_bug.cgi?id=99081
User hdu changed the following:
What |Old value |New value
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CC|'volkov_peter' |'sba,volkov_peter'
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------- Additional comments from [email protected] Thu Feb 12 10:15:58 +0000
2009 -------
> This is probably more likely to be seen with the system allocator, and may be
> more likely to happen on system stl.
Yes, that could explain a lot.
I had a closer look at problem. It only happens when fontconfig-assisted
glyph-fallback is active, so the crashreports I mentioned above, which are
mostly from WIN, can not be explained by it. There is
also another way to solve the problem with the early release: By resetting the
font selector request to
base level before requesting yet another fallback font. I'll attach a
mini-patch below.
The alternate approach has the potential benefit that fontconfig could suggest
a better stylistic match
to the base-level font which has missing glyphs. There would be a potential
performance penalty
though: We cache the expensive (e.g. #i97544#) fontconfig replies in a
FontEntry. Currently in the
fallback's FontEntry, with the alternate approach in the base-level entry.
Since a glyph fallback font has
a much high probability to be in the fallback chain again the cache hit rate
would go down quite a bit.
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