[luatex] babel, fontspec und lualatex

[Philipp Gesang]

···<Datum: Friday, 26. July 2013>···<Von: Ulrike Fischer>···

> Am Fri, 26 Jul 2013 12:59:55 +0200 schrieb Philipp Gesang:
> 
> >> Imho the correct solution would be that luatex/luaotfload sets
> >> \fontdimen1 for italic fonts to a sensible positiv value. 
> 
> > What’s “a sensible value” if italic correction is done on node
> > level? There’s tfmdata.properties.autoitalicamount and
> > tfmdata.parameters.slantfactor if you need the information [0].
> > We could certainly set further fontdimensions in addition to the
> > one we do already (no. 8), but if we spend time on that part then
> > why not supply the entire list in one go? Someone knowledgeable
> > about font parameters and how they translate to the original
> > values would have to supply the code, though, especially when it
> > comes to the more delicate parts described in appendix G.
> 
> Perhaps one should ask Jonathan Kew. A similar discussion came up
> for xelatex some years ago and he added at the request of Will
> Robertston values of some of the standard fontdimens.
> 
> http://tug.org/mailman/htdig/xetex/2005-October/002692.html
> http://tug.org/mailman/htdig/xetex/2005-December/002847.html

I opened a tracker item for anyone willing to contribute:

  https://github.com/lualatex/luaotfload/issues/112

but this is definitely going to take a while.

Best,
Philipp
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