summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/generic/iftex/iftex.sty
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/tex/generic/iftex/iftex.sty')
-rw-r--r--Master/texmf-dist/tex/generic/iftex/iftex.sty5
1 files changed, 4 insertions, 1 deletions
diff --git a/Master/texmf-dist/tex/generic/iftex/iftex.sty b/Master/texmf-dist/tex/generic/iftex/iftex.sty
index 4a6407df6a2..a6231d344b3 100644
--- a/Master/texmf-dist/tex/generic/iftex/iftex.sty
+++ b/Master/texmf-dist/tex/generic/iftex/iftex.sty
@@ -12,7 +12,7 @@
\let\iftexloaded\endinput
\expandafter\ifx\csname ProvidesPackage\endcsname\relax\else
\ProvidesPackage{iftex}
- [2010/07/25 v0.1 Provides if(tex) conditional for PDFTeX, XeTeX, and LuaTeX]
+ [2010/07/25 v0.2 Provides if(tex) conditional for PDFTeX, XeTeX, and LuaTeX]
\fi
\def\RequirePDFTeX{%
\ifPDFTeX\else
@@ -60,18 +60,21 @@
\expandafter\endinput
\fi
\newif\ifPDFTeX
+\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname pdfmatch\endcsname\relax
\PDFTeXfalse
\else
\PDFTeXtrue
\fi
\newif\ifXeTeX
+\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname XeTeXinterchartoks\endcsname\relax
\XeTeXfalse
\else
\XeTeXtrue
\fi
\newif\ifLuaTeX
+\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname directlua\endcsname\relax
\LuaTeXfalse
\else