1%D \module 2%D [ file=attr-alt, 3%D version=2007.06.06, 4%D title=\CONTEXT\ Attribute Macros, 5%D subtitle=Alternates, 6%D author=Hans Hagen, 7%D date=\currentdate, 8%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}] 9%C 10%C This module is part of the \CONTEXT\ macro||package and is 11%C therefore copyrighted by \PRAGMA. See mreadme.pdf for 12%C details. 13 14\writestatus{loading}{ConTeXt Attribute Macros / Alternates} 15 16\registerctxluafile{attr-alt}{autosuffix} 17 18%D The main reason for providing this is that we need to make sure we have no 19%D dangling end markers when we cross a page. Public viewers don't seem to support 20%D actual text at all and acrobat has some funny selection issues. 21%D 22%D \starttyping 23%D test 24%D \startalternate[text={A}] 25%D \dorecurse{10}{A } 26%D \startalternate[text={B}] 27%D \dorecurse{10}{B } 28%D \stopalternate 29%D \dorecurse{10}{A } 30%D \stopalternate 31%D test \par 32%D \stoptyping 33%D 34%D \starttyping 35%D test \startalternate[text={e=mc^2}]!$e=mc^2$\stopalternate\par 36%D test \alternate{e=mc^2}{copy:}\nbsp$e=mc^2$\par 37%D \stoptyping 38 39\unprotect 40 41\permanent\protected\def\startalternate[#S#1]% maybe better/also: [text={...}] 42 {\begingroup 43 \getdummyparameters[\c!text=,#1]% 44 \clf_setalternate text {\dummyparameter\c!text}\relax} 45 46\permanent\protected\def\stopalternate 47 {\endgroup} 48 49\permanent\protected\def\alternate#1% 50 {\groupedcommand{\clf_setalternate text {#1}\relax}{}} 51 52\permanent\protected\def\setalternate #1{\clf_setalternate text {#1}\relax} 53\permanent\protected\def\resetalternate {\clf_resetalternate} 54 55\protect \endinput 56 |
