On Tue, 07 Oct 2008 04:53:40 -0600, Mojca Miklavec
<[EMAIL PROTECTED]> wrote:
> On Mon, Oct 6, 2008 at 1:57 AM, Idris Samawi Hamid ادريس سماوي حامد
>> Sometimes I use the following for simple substitutions:
>>
>> \defineactivecharacter ' {\otfchar{quoteright}}
>>
>> But is there a more general mechanism to do things
>>
>> \definesubstitution{<string1>}{<string2>}
>>
>> eg
>>
>> \definesubstitution{--}{–}
>>
>> Of course ConTeXt already provides this particular substitution
>
> In mkii it doesn't. Fonts do that substitution. In mkiv a hack is
> applied to fonts (not to TeX macros), so that this particular
> substitution works.
Hmm, so this is much more complicated than I thought...
>> but I'm
>> interested in such a mechanism for more general purposes.
>
> In mkii this is not possible, except with some ugly hacks. You can
> easily substitute a single character by making it active. To
> substitute whole words, you either need to modify fonts, or write some
> dirty macros.
I see. In any case, mkii is "obsolete" for my purposes, if/when I get to
writing a book on ConTeXt it will cover mkiv only.
> In mkiv you can either apply some "patches" to fonts (search for tlig
> in ConTeXt source, for example font-otf.lua, also, there are some fea
> files in fonts/fea/context capable of doing that), or change input
> text while reading/digesting some TeX file.
tlig was buggy, but it works in the latest beta. Thank you, Hans!
> Hans and Taco can probably tell you more.
And Thank you, Mojca!
Idris
--
Professor Idris Samawi Hamid, Editor-in-Chief
International Journal of Shi`i Studies
Department of Philosophy
Colorado State University
Fort Collins, CO 80523
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