use recommended iftex and \RequireLuaTeX

1 files changed, 2 insertions, 8 deletions

diff --git a/arabluatex.dtx b/arabluatex.dtx
index ed46e8e..df9f986 100644
--- a/arabluatex.dtx
+++ b/arabluatex.dtx
@@ -4293,18 +4293,12 @@
 % functions and tables. Read the |.lua| files that accompany
 % \package{arabluatex} for more information.
 %    \begin{macrocode}
-\RequirePackage{ifluatex}
+\RequirePackage{iftex}
 %    \end{macrocode}
 % \package{arabluatex} requires {\LuaLaTeX} of course. Issue a warning
 % if the document is processed with another engine.
 %    \begin{macrocode}
-\ifluatex\else
- \PackageError{arabluatex}{lualatex needed}{%
-  Package `arabluatex' needs LuaTeX.\MessageBreak
-  So you should use `lualatex' to process your document.\MessageBreak
-  See documentation of `arabluatex' for further information.}%
-  \expandafter\expandafter\expandafter\csname endinput\endcsname
-\fi
+\RequireLuaTeX
 %    \end{macrocode}
 % Declare the global options, and define them:
 %    \begin{macrocode}