[latex3-commits] [git/LaTeX3-latex3-latex2e] master: modification required for new \@ifundefined behaviour (0c06cdd)

[David Carlisle]

Repository : https://github.com/latex3/latex2e
On branch  : master
Link       : https://github.com/latex3/latex2e/commit/0c06cdd8df88a4e1a6e82847886ba6e137f4cc7c

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commit 0c06cdd8df88a4e1a6e82847886ba6e137f4cc7c
Author: David Carlisle <d.p.carlisle at gmail.com>
Date:   Fri Mar 30 20:37:52 2018 +0100

    modification required for new \@ifundefined behaviour


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0c06cdd8df88a4e1a6e82847886ba6e137f4cc7c
 required/amsmath/subeqn.tex |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/required/amsmath/subeqn.tex b/required/amsmath/subeqn.tex
index d0fa7d9..c34b3f6 100644
--- a/required/amsmath/subeqn.tex
+++ b/required/amsmath/subeqn.tex
@@ -65,7 +65,7 @@
 %    first pass \ref{check} is undefined and it is set to 0; on second
 %    pass \ref{check} is 0 and set to 1; on third pass it is 1).
 \def\checkref{\begingroup
-  \@ifundefined{r at check}{\def\@currentlabel{0}}{\def\@currentlabel{1}}%
+  \@ifundefined{r at check}{\let\r at check\relax\def\@currentlabel{0}}{\def\@currentlabel{1}}%
   \ifnum1=0\expandafter\@firstoftwo\r at check\relax
     \global\let\multipasswarning\relax
   \fi