# [NTG-context] active characters in mkiv (and mkii)

Hans Hagen pragma at wxs.nl
Mon Jul 7 13:20:10 CEST 2008

Thomas A. Schmitz wrote:
> Hi all,
>
> I would like to make the exclamation mark active within my Greek
> environment; it should remain a normal letter outside of these
> commands and environments. (Why? Exclamation marks aren't used in
> Greek, and in mkii, I had mapped it to the sublinear dot which is used
> for epigraphical and papyrological texts.)
>
> In pdf(e)tex, Hans wrote this macro for me:
>
> \long\def\rescanwithsetup#1#2%
>     {{\directsetup{#1}\scantokens{#2\ignorespaces}}}
>
> but I'm not sure how to have a similar thing for mkiv (and ! is
> special anyway, so I'm running into trouble here...). Any pointers? Or
> is this a bad idea, and I should look for other solutions?

forget about the past, think about what kind of functionality you want

for instance,

"we need a language dependent feature that remaps characters"

so, what are the specs; maybe other languages need similar things

(there is already something available which we can easily extend)

Hans

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