[XeTeX] Text output garbled after system update -- your ideas?

[Kārlis Repsons]

On Thursday 14 April 2011 10:07:31 Ulrike Fischer wrote:
> Am Thu, 14 Apr 2011 09:47:32 +0000 schrieb Kārlis Repsons:
> > So a whole mix! Type1 mixed with TT/OT, which gets taken from two
> > locations... Will have to delete the TT version of Libertine then...
> > Type1 too?
> 
> It is already bad enough that e.g. two ttf-version of a font can
> give trouble but it is really a nuisance that you can't tell xetex
> which type of fonts it should use and that it mix type1 with
> ttf/otf.

So throwing texmf-dist/fonts/{opentype,truetype,type1}/public/libertine out 
and running `fc-cache -fsv` as root gave me a temporary fix.
I write so, because I'll have to figure out still how to actually manage fonts, 
taking in account XeLaTeX specifics...

I wonder about this in particular: can it ever be necessary to use fonts from 
texmf-dist/fonts instead of system fonts? For example, I installed TeXLive 
2009 with its fonts, 10 years pass, I still keep that installation and use if 
necessary... Could it happen that I really need those old fonts from there, 
not their new versions, should they appear?
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