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-rw-r--r--Master/texmf-dist/doc/latex/amsmath/subeqn.tex2
1 files changed, 1 insertions, 1 deletions
diff --git a/Master/texmf-dist/doc/latex/amsmath/subeqn.tex b/Master/texmf-dist/doc/latex/amsmath/subeqn.tex
index d0fa7d9b023..c34b3f6952a 100644
--- a/Master/texmf-dist/doc/latex/amsmath/subeqn.tex
+++ b/Master/texmf-dist/doc/latex/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@check}{\def\@currentlabel{0}}{\def\@currentlabel{1}}%
+ \@ifundefined{r@check}{\let\r@check\relax\def\@currentlabel{0}}{\def\@currentlabel{1}}%
\ifnum1=0\expandafter\@firstoftwo\r@check\relax
\global\let\multipasswarning\relax
\fi