[latex3-commits] [git/LaTeX3-latex3-latex2e] master: update tests in filecontents for \@ifundefined change (4d28fec)

[David Carlisle]

Repository : https://github.com/latex3/latex2e
On branch  : master
Link       : https://github.com/latex3/latex2e/commit/4d28fecd8b287cd4f04a87bc85fb7a72ea28ec05

>---------------------------------------------------------------

commit 4d28fecd8b287cd4f04a87bc85fb7a72ea28ec05
Author: David Carlisle <d.p.carlisle at gmail.com>
Date:   Tue May 29 22:05:37 2018 +0100

    update tests in filecontents for \@ifundefined change


>---------------------------------------------------------------

4d28fecd8b287cd4f04a87bc85fb7a72ea28ec05
 base/changes.txt |    4 ++++
 base/ltclass.dtx |    7 ++++---
 base/ltvers.dtx  |    2 +-
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/base/changes.txt b/base/changes.txt
index b7851d8..4b10049 100644
--- a/base/changes.txt
+++ b/base/changes.txt
@@ -4,6 +4,10 @@ completeness or accuracy and it contains some references to files that
 are not part of the distribution.
 =======================================================================
 
+2018-05-29  David Carlisle  <David.Carlisle at latex-project.org>
+
+	* ltclass.dtx: use \csname test rather than \@ifundefined to get \relax side effect.
+
 #########################
 # 2018-04-01 PL 5 Release
 #########################
diff --git a/base/ltclass.dtx b/base/ltclass.dtx
index 199d839..abc50d1 100644
--- a/base/ltclass.dtx
+++ b/base/ltclass.dtx
@@ -33,7 +33,7 @@
 %<*driver>
 % \fi
 \ProvidesFile{ltclass.dtx}
-             [2018/05/08 v1.2i LaTeX Kernel (Class & Package Interface)]
+             [2018/05/29 v1.2j LaTeX Kernel (Class & Package Interface)]
 % \iffalse
 \documentclass{ltxdoc}
 \GetFileInfo{ltclass.dtx}
@@ -1820,13 +1820,14 @@
     ^^M}%
 %    \end{macrocode}
 %
+% \changes{v1.2j}{2018/05/29}{use \cs{csname} not \cs{@undefined}}
 %    \begin{macrocode}
   \catcode`\^^L\active%
   \let\L\@undefined%
-  \def^^L{\@ifundefined L^^J^^J^^J}%
+  \def^^L{\expandafter\ifx\csname L\endcsname\relax\fi ^^J^^J}%
   \catcode`\^^I\active%
   \let\I\@undefined%
-  \def^^I{\@ifundefined I\space\space}%
+  \def^^I{\expandafter\ifx\csname I\endcsname\relax\fi\space}%
   \catcode`\^^M\active%
   \edef^^M##1^^M{%
     \noexpand\reserved at b##1\E\E\relax}}%
diff --git a/base/ltvers.dtx b/base/ltvers.dtx
index cb20769..9491c55 100644
--- a/base/ltvers.dtx
+++ b/base/ltvers.dtx
@@ -115,7 +115,7 @@
    {2018-04-01}
 %</2ekernel|latexrelease>
 %<*2ekernel>
-\def\patch at level{5}
+\def\patch at level{-6}
 %    \end{macrocode}
 % \end{macro}
 % \end{macro}