Am Fri, 18 Feb 2011 22:11:41 -0600 (CST) schrieb
msk...@ansuz.sooke.bc.ca:
> I'm having trouble with monospace OTF fonts. If I load a monospace OTF
> font with fontspec, it works fine at the default size, but when I change
> the size with LaTeX class-provided commands such as \Large, the spaces
> between words end up the wrong size. I did some digging and found
> the problem seems to be that the \fontdimen values do not change when the
> font size changes. So if I start with 12-point type, and if I'm lucky
> enough to get reasonable-sized word spaces at that size, then when I
> switch to 18-point type, the spaces remain the size that would have been
> correct for 12-point.
>
> The same does not happen for Latin Modern; it seems to be specific to OTF.
>
> Code demonstrating the problem (you will need a monospace OTF font; I can
> provide one off-list if anyone wants to try it):
>
> \documentclass{article}
>
> \usepackage{fontspec}
>
> \defaultfontfeatures{%
> WordSpace={1,0,0},PunctuationSpace={3},Mapping=tex-text,Path=otf/}
As far as I can see the problem has nothing to do with monospace
fonts (I get the result with e.g. Arial or Latin Modern Roman). The
problem is the "WordSpace={1,0,0}": It sets the fontdimen when the
font is loaded - and switching to another font size doesn't reload a
font and so doesn't change the fontdimen. It works as expected if
you reload the font by e.g. choosing a bit different feature:
\Huge
\fontspec[WordSpace={1.1,0,0}]{Latin Modern Roman}
...
I would say WordSpace shouldn't be used in \defaultfontfeatures.
--
Ulrike Fischer
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