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-rw-r--r--Master/texmf-dist/tex/latex/yquant/yquant-env.tex23
1 files changed, 17 insertions, 6 deletions
diff --git a/Master/texmf-dist/tex/latex/yquant/yquant-env.tex b/Master/texmf-dist/tex/latex/yquant/yquant-env.tex
index bb901d1d2cf..a9262b957da 100644
--- a/Master/texmf-dist/tex/latex/yquant/yquant-env.tex
+++ b/Master/texmf-dist/tex/latex/yquant/yquant-env.tex
@@ -327,13 +327,24 @@
}%
% no need for \scoped, because it internally calls \scope.
% We need to hack into \scope, but this is a bit tricky due to its argument handling. In order to get all optional arguments, including the possible animations library, correct, we change \tikz@scope@opt.
- \let\yquant@env@substikz@scope=\tikz@scope@opt%
- \def\tikz@scope@opt[##1]{%
- \protected@csxappto{\yquant@prefix draw}{%
- \noexpand\tikz@scope@env[{##1}]%
+ \ifdefined\tikz@scope@opt%
+ \let\yquant@env@substikz@scope=\tikz@scope@opt%
+ \def\tikz@scope@opt[##1]{%
+ \protected@csxappto{\yquant@prefix draw}{%
+ \noexpand\tikz@scope@env[{##1}]%
+ }%
+ \yquant@env@substikz@scope[{##1}]%
}%
- \yquant@env@substikz@scope[{##1}]%
- }%
+ \else%
+ % this is for the arXiv, which has a very outdated version of TikZ
+ \let\yquant@env@substikz@scope=\tikz@@scope@env%
+ \def\tikz@@scope@env[##1]{%
+ \protected@csxappto{\yquant@prefix draw}{%
+ \noexpand\tikz@@scope@env[{##1}]%
+ }%
+ \yquant@env@substikz@scope[{##1}]%
+ }%
+ \fi%
\let\yquant@env@substikz@endscope=\endtikz@scope@env%
\def\endtikz@scope@env{%
\csgappto{\yquant@prefix draw}{%