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Diffstat (limited to 'Master/texmf-dist/tex/context/base/mkxl/attr-alt.mkxl')
-rw-r--r-- | Master/texmf-dist/tex/context/base/mkxl/attr-alt.mkxl | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/mkxl/attr-alt.mkxl b/Master/texmf-dist/tex/context/base/mkxl/attr-alt.mkxl new file mode 100644 index 00000000000..3881d929e1c --- /dev/null +++ b/Master/texmf-dist/tex/context/base/mkxl/attr-alt.mkxl @@ -0,0 +1,55 @@ +%D \module +%D [ file=attr-alt, +%D version=2007.06.06, +%D title=\CONTEXT\ Attribute Macros, +%D subtitle=Alternates, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}] +%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}{ConTeXt Attribute Macros / Alternates} + +\registerctxluafile{attr-alt}{autosuffix} + +%D The main reason for providing this is that we need to make sure we have no +%D dangling end markers when we cross a page. Public viewers don't seem to support +%D actual text at all and acrobat has some funny selection issues. +%D +%D \starttyping +%D test +%D \startalternate[text={A}] +%D \dorecurse{10}{A } +%D \startalternate[text={B}] +%D \dorecurse{10}{B } +%D \stopalternate +%D \dorecurse{10}{A } +%D \stopalternate +%D test \par +%D \stoptyping +%D +%D \starttyping +%D test \startalternate[text={e=mc^2}]!$e=mc^2$\stopalternate\par +%D test \alternate{e=mc^2}{copy:}\nbsp$e=mc^2$\par +%D \stoptyping + +\unprotect + +\permanent\protected\def\startalternate[#1]% maybe better/also: [text={...}] + {\begingroup + \getdummyparameters[\c!text=,#1]% + \clf_setalternate text {\dummyparameter\c!text}\relax} + +\permanent\protected\def\stopalternate + {\endgroup} + +\permanent\protected\def\alternate#1% + {\groupedcommand{\clf_setalternate text {#1}\relax}{}} + +\permanent\protected\def\setalternate #1{\clf_setalternate text {#1}\relax} +\permanent\protected\def\resetalternate {\clf_resetalternate} + +\protect \endinput |