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-rw-r--r--luatexbase.dtx13
1 files changed, 8 insertions, 5 deletions
diff --git a/luatexbase.dtx b/luatexbase.dtx
index a94637b..65f813d 100644
--- a/luatexbase.dtx
+++ b/luatexbase.dtx
@@ -215,14 +215,17 @@ See source file '\inFileName' for details.
\fi
\ifluatex\else
\begingroup
- \expandafter\ifx\csname PackageWarningNoLine\endcsname\relax
- \def\x#1#2{\begingroup\newlinechar10
- \immediate\write16{Package #1 warning: #2}\endgroup}
+ \expandafter\ifx\csname PackageError\endcsname\relax
+ \def\x#1#2#3{\begingroup \newlinechar10
+ \errhelp{#3}\errmessage{Package #1 error: #2}\endgroup}
\else
- \let\x\PackageWarningNoLine
+ \let\x\PackageError
\fi
\expandafter\endgroup
- \x{luatexbase}{LuaTeX is required for this package. Aborting.}
+ \x{luatexbase-attr}{LuaTeX is required for this package. Aborting.}{%
+ This package can only be used with the LuaTeX engine^^J%
+ (command `lualatex' or `luatex').^^J%
+ Package loading has been stopped to prevent additional errors.}
\lltxb@core@AtEnd
\expandafter\endinput
\fi