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-rw-r--r--tikzit/src/common/EdgeStyle.m8
1 files changed, 5 insertions, 3 deletions
diff --git a/tikzit/src/common/EdgeStyle.m b/tikzit/src/common/EdgeStyle.m
index 88b1f54..7a638c9 100644
--- a/tikzit/src/common/EdgeStyle.m
+++ b/tikzit/src/common/EdgeStyle.m
@@ -169,9 +169,11 @@
else if (headStyle == AH_Latex)
[buf appendString:@"latex"];
- [buf appendString:@",draw="];
- [buf appendString:colorName];
-
+ if(colorName != nil){
+ [buf appendString:@",draw="];
+ [buf appendString:colorName];
+ }
+
if (decorationStyle != ED_None) {
[buf appendString:@",postaction={decorate},decoration={markings,mark="];
if (decorationStyle == ED_Arrow)