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-rw-r--r--graphics/pgf/contrib/pgfplots/tex/pgfplotsstackedplots.code.tex5
1 files changed, 5 insertions, 0 deletions
diff --git a/graphics/pgf/contrib/pgfplots/tex/pgfplotsstackedplots.code.tex b/graphics/pgf/contrib/pgfplots/tex/pgfplotsstackedplots.code.tex
index 7f45bfb5be..c9e1c15ac2 100644
--- a/graphics/pgf/contrib/pgfplots/tex/pgfplotsstackedplots.code.tex
+++ b/graphics/pgf/contrib/pgfplots/tex/pgfplotsstackedplots.code.tex
@@ -686,3 +686,8 @@
\def\pgf@plotyzerolevelstreamend{%
}%
}%
+
+% Initialize \pgfplots@stacked@diff to 0
+% Otherwise, if the first point in a plot is NaN \pgfplots@stacked@diff will be
+% undefined and an error is raised, see issue #219
+\def\pgfplots@stacked@diff{0}