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Diffstat (limited to 'Master/texmf-dist/tex/context/base/char-utf.tex')
-rw-r--r-- | Master/texmf-dist/tex/context/base/char-utf.tex | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/char-utf.tex b/Master/texmf-dist/tex/context/base/char-utf.tex new file mode 100644 index 00000000000..2e7156962fd --- /dev/null +++ b/Master/texmf-dist/tex/context/base/char-utf.tex @@ -0,0 +1,65 @@ +%D \module +%D [ file=char-utf, +%D version=2006.12.05, +%D title=\CONTEXT\ Lua Macros, +%D subtitle=Unicode Support (UTF), +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright=PRAGMA] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +\writestatus{loading}{Unicode Support (utf)} + +%D After a bit of experimenting we reached a clean state where \UTF\ +%D 8, 16 and 32 were supported as well as collapsing (combining +%D sequences). Writing the code was a relaxed experience, not in the +%D last place because it was accompanied by listening to those nice +%D Vienna Teng cd's (who decided that making music was more fun than +%D programming, but then, she may not know \TEX\ and \LUA). + +\unprotect + +\registerctxluafile{char-utf}{1.001} + +%D We enable collapsing (combining characters) by default, but +%D since the source files are rather simple, we postpone the +%D initialization till runtime. + +\appendtoks + \ctxlua { + characters.filters.utf.collapsing = true + input.filters.utf_translator = characters.filters.utf.collapse + }% +\to \everyjob + +% %D This is a hack, and only meant for special situations. We don't +% %D support this in for instance verbatim. The active characters map +% %D onto the \CONTEXT\ names and font handling etc. is up to the user. +% +% %D This feature is obsolete. +% +% \registerctxluafile{char-act}{1.001} +% +% \def\enableactiveutf {\ctxlua{characters.active.enable()}} +% \def\disableactiveutf{\ctxlua{characters.active.disable()}} +% \def\testactiveutf #1{\ctxlua{characters.active.test("#1")}} + +%D Usage: +%D +%D \starttyping +%D \enableactiveutf \testactiveutf{eacute} +%D \stoptyping + +%D The next one influences input parsing. +%D +%D \starttyping +%D \definecomposedutf 318 108 126 % lcaron +%D \stoptyping + +\def\definecomposedutf#1 #2 #3 % + {\ctxlua{characters.filters.utf.add_grapheme("#1","#2","#3")}} + +\protect |