On Sun, 13 Jan 2008 15:59:27 -0700, Hans Hagen <[EMAIL PROTECTED]> wrote:
>>> In luatex can I make a definition such that such that the string >>> >>> U004C U0303 (l ̃) >>> >>> is always treated as l with tilde above, taking into account italics >>> and >>> without using \~l (which does not work in, eg, footnote)? >> >> What you want here is to support the Unicode combining characters, >> which isn't straightforward in TeX because according to the Standard, >> they come after the base letter they modify, while TeX's accent commands >> are, of course, typed before. So you can't simply make the combining >> characters active and equivalent to the appropriate accent macros. > > if i know the precise specs i can build it into the utf collapser, which > is way faster than dealing with tokens (mkiv will not have a token > parser for the main input, at most for dedicated tasks) This may be a good place to start: http://www.unicode.org/versions/Unicode5.0.0/ch02.pdf see pages 48--54 don't know if this is precise enough... See also pp.~109--117 of http://www.unicode.org/versions/Unicode5.0.0/ch03.pdf which seems even more precise. See also http://www.unicode.org/versions/Unicode5.0.0/UnicodeBookIX.pdf under "combining" Best wishes Idris -- Professor Idris Samawi Hamid, Editor-in-Chief International Journal of Shi`i Studies Department of Philosophy Colorado State University Fort Collins, CO 80523 -- Using Opera's revolutionary e-mail client: http://www.opera.com/mail/ ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : https://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________
