diff options
Diffstat (limited to 'Master/texmf-dist/tex/context/base/mkiv/supp-dir.mkiv')
-rw-r--r-- | Master/texmf-dist/tex/context/base/mkiv/supp-dir.mkiv | 56 |
1 files changed, 26 insertions, 30 deletions
diff --git a/Master/texmf-dist/tex/context/base/mkiv/supp-dir.mkiv b/Master/texmf-dist/tex/context/base/mkiv/supp-dir.mkiv index 277f2b7cac2..42a0aa37cf8 100644 --- a/Master/texmf-dist/tex/context/base/mkiv/supp-dir.mkiv +++ b/Master/texmf-dist/tex/context/base/mkiv/supp-dir.mkiv @@ -11,44 +11,40 @@ %C therefore copyrighted by \PRAGMA. See mreadme.pdf for %C details. -\unprotect +%D We no longer have the \ETEX\ direction primitives. -\chardef\directionlefttoright\zerocount -\chardef\directionrighttoleft\plusone +\unprotect -\edef\??bdir{\ifdefined\bodydir bdir\else direction\fi} +% \expanded{\defineactivecharacter \number"2000E} {\textdir TRT\relax} +% \expanded{\defineactivecharacter \number"2000F} {\textdir TLT\relax} -\unexpanded\edef\naturalhbox {\hbox \??bdir\directionlefttoright} -\unexpanded\edef\naturalvbox {\vbox \??bdir\directionlefttoright} -\unexpanded\edef\naturalvtop {\vtop \??bdir\directionlefttoright} -\unexpanded\edef\naturalhpack {\hpack \??bdir\directionlefttoright} -\unexpanded\edef\naturalvpack {\vpack \??bdir\directionlefttoright} -\unexpanded\edef\naturaltpack {\tpack \??bdir\directionlefttoright} +%D As we have less directions now we can use something -\unexpanded\edef\reversehbox {\hbox \??bdir\directionrighttoleft} -\unexpanded\edef\reversevbox {\vbox \??bdir\directionrighttoleft} -\unexpanded\edef\reversevtop {\vtop \??bdir\directionrighttoleft} -\unexpanded\edef\reversehpack {\hpack \??bdir\directionrighttoleft} -\unexpanded\edef\reversevpack {\vpack \??bdir\directionrighttoleft} -\unexpanded\edef\reversetpack {\tpack \??bdir\directionrighttoleft} +% \chardef\@@D@@TLT0 +% \chardef\@@D@@TRT1 +% \chardef\@@D@@RTT0 +% \chardef\@@D@@LRL1 +% +% \def\thetextdir{\csname @@D@@\the\textdir\endcsname} +% +% \ifnum\thetextdir=0 L\else R\fi \textdir TRT \ifnum\thetextdir=0 L\else R\fi -\ifdefined\bodydir - \let\bodydir \undefined \let\normalbodydir \undefined - \let\bodydirection\undefined \let\normalbodydirection\undefined -\fi +\unexpanded\def\showdirsinmargin + {\inleft{\normalexpanded{\noexpand\hbox dir TLT{\ttxx[\the\pardir,\the\textdir]}}}} -\ifdefined\pagedir - \let\pagedir \undefined \let\normalpagedir \undefined - \let\pagedirection\undefined \let\normalpagedirection\undefined -\fi +\bgroup + \catcode`L=\othercatcode \gdef\istltdir#1#2#3{\if#2L0\else1\fi} + \catcode`R=\othercatcode \gdef\istrtdir#1#2#3{\if#2R0\else1\fi} +\egroup -% \expanded{\defineactivecharacter \number"2000E} {\textdirection\directionrighttoleft\relax} -% \expanded{\defineactivecharacter \number"2000F} {\textdirection\directionlefttoright\relax} +\def\istlttextdir{\expandafter\istltdir\the\textdir} +\def\istrttextdir{\expandafter\istrtdir\the\textdir} -\def\syst_direction_string#1{\ifcase#1=\plusone r2l\else l2r\fi} +\def\istltpardir {\expandafter\istltdir\the\pardir } +\def\istrtpardir {\expandafter\istrtdir\the\pardir } -\unexpanded\def\showdirsinmargin - {\normalexpanded{\inleft{\naturalhbox - {\ttxx[\syst_direction_string\pardirection,\syst_direction_string\textdirection]}}}} +% \ifcase\istlttextdir Y\else N\fi +% \ifcase\istltpardir Y\else N\fi +% \ifcase\istltdir TRT\relax Y\else N\fi \protect \endinput |