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-rw-r--r--Master/texmf-dist/tex/uplatex/base/uplatex.ltx5
1 files changed, 5 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/uplatex/base/uplatex.ltx b/Master/texmf-dist/tex/uplatex/base/uplatex.ltx
index 6ce3ebf5648..433cbc2fd96 100644
--- a/Master/texmf-dist/tex/uplatex/base/uplatex.ltx
+++ b/Master/texmf-dist/tex/uplatex/base/uplatex.ltx
@@ -17,6 +17,11 @@
\let\orgdump\dump
\let\dump\relax
\input latex.ltx
+\ifx\typeout\undefined
+ \errhelp{Please reinstall LaTeX, or check e-TeX availability.}%
+ \errmessage{Failed to load `latex.ltx' properly}%
+ \expandafter\end
+\fi
\typeout{**************************^^J%
*^^J%
* making upLaTeX format^^J%