Fix missing \definecolor{graphicbackground} in examples

hansonchar · Jul 1, 2024 · 3ad3774 · 3ad3774
1 parent 79b266d
commit 3ad3774
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/doc/generic/pgf/pgfmanual-en-tikz-graphs.tex b/doc/generic/pgf/pgfmanual-en-tikz-graphs.tex
@@ -48,10 +48,8 @@ \subsection{Overview}
   };
 \end{codeexample}
 
-\begin{codeexample}[
-    preamble={\usetikzlibrary{graphs}},
-    pre={\definecolor{graphicbackground}{rgb}{0.96,0.96,0.8}},
-]
+\begin{codeexample}[preamble={\usetikzlibrary{graphs}}]
+\definecolor{graphicbackground}{rgb}{0.96,0.96,0.8}
 \tikz
   \graph [nodes={draw, circle}, clockwise, radius=.75cm, empty nodes, n=8] {
     subgraph C_n [name=inner] <->[shorten <=1pt, shorten >=1pt]
@@ -60,6 +58,7 @@ \subsection{Overview}
 \end{codeexample}
 
 \begin{codeexample}[width=6.6cm,preamble={\usetikzlibrary{graphs}}]
+\definecolor{graphicbackground}{rgb}{0.96,0.96,0.8}
 \tikz [>={To[sep]}, rotate=90, xscale=-1,
        mark/.style={fill=black!50}, mark/.default=]
   \graph [trie, simple,