diff options
Diffstat (limited to 'Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.code.tex')
-rw-r--r-- | Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.code.tex | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.code.tex b/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.code.tex index 74fe15c7eac..ce7db967e61 100644 --- a/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.code.tex +++ b/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/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}}% |