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authorNorbert Preining <norbert@preining.info>2020-09-29 03:02:54 +0000
committerNorbert Preining <norbert@preining.info>2020-09-29 03:02:54 +0000
commitd043a18e288914d3c46a1b10af1f30ce2df00588 (patch)
tree888d8c0677d7b328602f1ec5c09d324a325043ec /graphics/pgf/base/tex/tikzlibrarygraphs.code.tex
parent34310603e5253ef5742542e3f0123b341a70ee20 (diff)
CTAN sync 202009290302
Diffstat (limited to 'graphics/pgf/base/tex/tikzlibrarygraphs.code.tex')
-rw-r--r--graphics/pgf/base/tex/tikzlibrarygraphs.code.tex7
1 files changed, 5 insertions, 2 deletions
diff --git a/graphics/pgf/base/tex/tikzlibrarygraphs.code.tex b/graphics/pgf/base/tex/tikzlibrarygraphs.code.tex
index 74fe15c7ea..ce7db967e6 100644
--- a/graphics/pgf/base/tex/tikzlibrarygraphs.code.tex
+++ b/graphics/pgf/base/tex/tikzlibrarygraphs.code.tex
@@ -1,5 +1,5 @@
-% Copyright 2010 by Till Tantau
-% Copyright 2011 by Jannis Pohlmann
+% Copyright 2019 by Till Tantau
+% Copyright 2019 by Jannis Pohlmann
%
% This file may be distributed and/or modified
%
@@ -83,6 +83,9 @@
},
set/.code={
\tikz@fig@mustbenamed%
+ \ifcsname tikz@lg@node@set #1\endcsname\else
+ \tikzerror{Undefined set `#1'}%
+ \fi
\expandafter\def\expandafter\tikz@alias\expandafter{\tikz@alias%
\expandafter\def\expandafter\pgf@temp\expandafter{\csname tikz@lg@node@set #1\endcsname}%
\expandafter\expandafter\expandafter\pgfutil@g@addto@macro\expandafter\pgf@temp\expandafter{\expandafter\tikz@lg@do\expandafter{\tikz@fig@name}}%