From 071a2b996b39a81a04a44eaaea613813a7b053ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20P=C3=A9gouri=C3=A9-Gonnard?= <mpg@elzevir.fr>
Date: Sat, 21 May 2011 17:35:11 +0200
Subject: better catcode defenses for luatex.sty

---
 luatex.dtx | 46 +++++++++++++++++++++++++++-------------------
 1 file changed, 27 insertions(+), 19 deletions(-)

(limited to 'luatex.dtx')

diff --git a/luatex.dtx b/luatex.dtx
index baeebf4..27dc35c 100644
--- a/luatex.dtx
+++ b/luatex.dtx
@@ -156,31 +156,28 @@ See source file '\inFileName' for licence and contact information.
 %
 %    \subsection{Preliminaries}
 %
-%    Reload protection, especially for \plaintex.
-%
-%    \begin{macrocode}
-                \csname lltxb@luatex@loaded\endcsname
-\expandafter\let\csname lltxb@luatex@loaded\endcsname\endinput
-%    \end{macrocode}
-%
 %    Catcode defenses.
 %
 %    \begin{macrocode}
-\begingroup
+\begingroup\catcode61\catcode48\catcode32=10\relax%
   \catcode123 1 % {
   \catcode125 2 % }
   \catcode 35 6 % #
-  \toks0{}%
-  \def\x{}%
+  \toks0\expandafter{\expandafter\endlinechar\the\endlinechar}%
+  \edef\x{\endlinechar13}%
   \def\y#1 #2 {%
     \toks0\expandafter{\the\toks0 \catcode#1 \the\catcode#1}%
     \edef\x{\x \catcode#1 #2}}%
-  \y 123 1  % {
-  \y 125 2  % }
-  \y  35 6  % #
+  \y  13  5 % endlinechar
+  \y  61 12 % =
+  \y  32 10 % space
+  \y 123  1 % {
+  \y 125  2 % }
+  \y  35  6 % #
   \y  10 12 % ^^J
+  \y  33 12 % !
   \y  34 12 % "
-  \y  36 3  % $ $
+  \y  36  3 % $ $
   \y  39 12 % '
   \y  40 12 % (
   \y  41 12 % )
@@ -190,14 +187,25 @@ See source file '\inFileName' for licence and contact information.
   \y  45 12 % -
   \y  46 12 % .
   \y  47 12 % /
+  \y  58 12 % :
   \y  60 12 % <
-  \y  61 12 % =
   \y  64 11 % @ (letter)
   \y  62 12 % >
+  \y  91 12 % [
+  \y  93 12 % ]
+  \y  94  7 % ^
   \y  95 12 % _ (other)
   \y  96 12 % `
-  \edef\y#1{\endgroup\edef#1{\the\toks0\relax}\x}%
-\expandafter\y\csname lltxb@luatex@AtEnd\endcsname
+  \toks0\expandafter{\the\toks0 \relax\noexpand\endinput}%
+  \edef\y#1{\endgroup\edef#1{\the\toks0}\x\relax}%
+\expandafter\y\csname lltxb@luatex@endinput\endcsname
+%    \end{macrocode}
+%
+%    Reload protection, especially for \plaintex.
+%
+%    \begin{macrocode}
+                \csname lltxb@luatex@loaded\endcsname
+\expandafter\let\csname lltxb@luatex@loaded\endcsname\lltxb@luatex@endinput
 %    \end{macrocode}
 %
 %    Package declaration.
@@ -235,7 +243,7 @@ See source file '\inFileName' for licence and contact information.
     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@luatex@AtEnd
+  \lltxb@luatex@endinput%
   \expandafter\endinput
 \fi
 %    \end{macrocode}
@@ -295,7 +303,7 @@ See source file '\inFileName' for licence and contact information.
 %    This is the end, my friend\dots the end.
 %
 %    \begin{macrocode}
-\lltxb@luatex@AtEnd
+\lltxb@luatex@endinput%
 %</texpackage>
 %    \end{macrocode}
 %
-- 
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