Re: simplefonts

[Wolfgang Schuster <schuster.wolfgang@googlemail.com>]

Am 13.03.10 17:09, schrieb Michael Saunders:
>> 2. What keys and values are available for the third, and what they mean.
>>      
> Thank you, but by "the first two arguments", I mean 1 and 2 of:
> \definefontfeature [1][2][3].  For example, in
>   \definefontfeature[smallcaps][smallcaps][script=latn]
> I don't know what "[smallcaps][smallcaps]" is doing.
>    
Let's start with the normal version

\definefontfeature[default][liga=yes,kern=yes,tlig=yes,trep=yes]

creates a list with the name 'default' (predefined by context and used 
by default
for all fonts if not specified otherwise) with the opentype features 
liga (ligature),
kern (kerning) and the pseudo tex features tlig (-- -> –, --- -> —) and 
trep (' -> ’).

This feature is now applied to font in a typescript (ConTeXt system map 
font files
to commands, e.g. when you write \bf in your document your get Times New 
Roman Bold).


In the extended version with three arguments you copy the list from the 
second
argument to the new list which name is given in the first argument and 
you can
add new opentype features to the list, e.g.

\definefontfeature[mine][default][onum=yes]

creates the new list mine which inherits all features from default and 
adds onum
to the list, when the name in the first and second arguments are equal 
you extend
a already created list with additional features.

Wolfgang


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