[NTG-context] contextual alternates

[Hans Hagen]

On 1/25/2015 3:52 PM, Jan Tosovsky wrote:
> On 2015-01-25 Hans Hagen wrote:
>> On 1/24/2015 2:12 PM, Pablo Rodriguez wrote:
>>>
>>> I have the following sample:
>>>
>>>       \definefontfeature[default][default][script=latn, calt=yes]
>>>       \definefontfamily[mainface][serif][Pecita]
>>>       \setupbodyfont[mainface]
>>>       \starttext
>>>       \input zapf
>>>       \stoptext
>>>
>>> The Pecita font is licensed under the Open Font License and it can be
>>> downloaded at http://pecita.eu/b/Pecita.otf.
>>>
>>> For some strange reason, the contextual alternates feature isn’t
>>> working.
>>>
>>
>> maybe they depend on other features being set
>
> There are lots of definitions in calt table, but referenced via 'lookup'
> mechanism.
>
> lookup calt5 {
> #    sub @calt30' @calt30' by [a.I_ ... f_dotlessi._I];
> } calt5;
>
> language ENG ; # English
>   script DFLT;
> lookup calt5;
>
> To me it is quite unusual.

so the script / language combination is default / english (dflt/eng)

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