Re: showfont with xetex (syntax changed?)

[Hans Hagen <pragma@wxs.nl>]

Wolfgang Schuster wrote:
> 2007/12/6, Steffen Wolfrum <context@st.estfiles.de>:
>> Am 06.12.2007 um 14:48 schrieb Hans Hagen:
>>
>>> something numbers=oldstyle could be supported but i see no real reason
>>> for it since then we end up in endless lists of possibilities
>>> (given all
>>> kind of combinations)
>> I have not yet played with Lua, thus I can't follow your and Mojca's
>> discussion at that point.
>> But to have a handy way to switch on/off oldstyle figures would be
>> very useful!
>>
>> "numbers=oldstyle" shouldn't be considered as a theoretical
>> possibility, it is needed quite often.
>>
>> Steffen
> 
> The following should work, can't test it at the moment
> 
> \definefontfeature[enableoldstyle][onum=yes]
> \definefontfeature[disableoldstyle][onum=no]
> 
> \starttext
> 
> 123 \setfontfeature{enableoldstyle} 456 \setfontfeature{disableoldstyle} 789
> 
> \stoptext

btw, these are attributes and therefore can be used grouped

123 {\setfontfeature{enableoldstyle} 456} 789



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