On Fri, 12 Mar 2010, Michael Saunders wrote:

>> This works
>>
>> \definefontfeature[default]  [default]  [mode=node,script=latn]
>> \definefontfeature[smallcaps][smallcaps][mode=node,script=latn]
>>
>> \usemodule[simplefonts]
>>
>> \setmainfont[garamondpremrpro]
>
> Thank you once again.  That _did_ work, after I got rid of an \os (I
> used it because I saw it in the manual).
>
> The command \definefontfeature intrigues me greatly.  I wonder if it
> could solve all my problems.  I'd love to understand it so that I
> don't end up coming in here and asking you to write all my font setups
> line by line.  I Googled it and found only a few scattered examples
> here and there, mostly from this list.  I wish I could find an
> explanation of it written down somewhere.  For example, I would very
> much like to know:

Have you read the chapter on typography in the new manual
http://context.aanhet.net/svn/contextman/context-reference/en/co-typography.pdf

Aditya