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-rw-r--r--buildtools/graphviz-sql.sh1
1 files changed, 1 insertions, 0 deletions
diff --git a/buildtools/graphviz-sql.sh b/buildtools/graphviz-sql.sh
index 21a81146..d8833ed1 100644
--- a/buildtools/graphviz-sql.sh
+++ b/buildtools/graphviz-sql.sh
@@ -37,5 +37,6 @@ SOURCE="$1" perl -0777 -pe '
s/\|\\}/}/g;
s/{\n/{\n\tedge [arrowtail=none, arrowhead=crow];\n/;
s/\[arrowhead=normal\]/[arrowtail=none, arrowhead=crow]/g;
+ s/\[arrowhead=empty\]/[arrowtail=none, arrowhead=oinv]/g;
s=^=// Automatically generated from $ENV{SOURCE}\n\n=;
'