Re: Greek in luatex

["Thomas A. Schmitz" <thomas.schmitz@uni-bonn.de>]

OK, the message below didn't get too many responses, so maybe I can  
rephrase my quiestions in a more precise manner:

1. For otftotfm, there's the "unicoding" command where you can  
replace a character in a certain slot with another unicode character,  
so you could say
unicoding "A = uni03D1"
Is anything like this possible in luatex?

2. I see this code in font-otf.lua:
fonts.otf.features.data.tex = {
     { "endash", "hyphen hyphen" },
     { "emdash", "hyphen hyphen hyphen" },
     { "quotedblleft", "quoteleft quoteleft" },
     { "quotedblright", "quoteright quoteright" },
     { "quotedblleft", "grave grave" },
     { "quotedblright", "quotesingle quotesingle" },
     { "quotedblbase", "comma comma" }
}

and this list is used in the function function  
fonts.initializers.base.otf.texligatures(tfm,value)

How is it possible to write a similar list and function for just a  
single font or fonts in a specific typescript?

Thanks a lot!

Thomas


On Sep 1, 2007, at 12:56 PM, Thomas A. Schmitz wrote:

> Hi all,
>
> I've been experimenting with my Greek stuff in luatex, and I think
> I'm making nice progress. Things pretty much work with Unicode input,
> and as soon as the kerning problem is solved, I'm very optimistic.
> Two questions came up for me; I assume the answers are
> straightforward, but couldn't find anything:
>
> 1. How can I remap single characters? Let's say that we have a
> Unicode character in the input stream that maps to 0x03c3, but I want
> it remapped to 0x3f2, how can this be achieved?
>
> 2. Similarly: if I want to support the legacy input method babel, I
> need to remap the input stream to the Greek characters (question 1)
> and also need to feed the font some ligature rules, such as: the
> combination >a needs to be combined into the character 0x1f00. What
> would be the syntax and the way to do this?
>
> All best
>
> Thomas
>
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