[omega] Question about the paper published in EuroTeX 2005

[Yannis Haralambous]

> I would call "k-\nk" a variant glyph for "ck", which turns to be what
> textemes are made for. One point would be to decide if "ck" have to be 
> a
> character or several, but I think it's not that important: as you 
> showed
> in the paper and during the conference, a string of characters can have
> variant representations as string of glyphs, and not necessarily with a
> one to one mapping.

 From the point of view of characters everything is clear: "ck" is a 
string of *two* characters, there
is absolutely no doubt on that.

The question is: what is the status of the "k" which replaces "c"?

All I want to say is that this case is different from the one of glyph 
variants (like the many
"d" in Zapfino). The transformation c->k looks more like a character 
transformation. And still
when we search or index the text we don't want to find "k-k" and that's 
typically what we do
when we have a glyph transformation...

[Not to mention another particularity of the `ck' in German: like `ch', 
it is in fact a ligature, represented
most of the times by additional (negative) kerning between the glyphs]
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