diff --git a/examples/ex15.gv b/examples/ex15.gv
index 09e6848..402948e 100644
--- a/examples/ex15.gv
+++ b/examples/ex15.gv
@@ -5,10 +5,10 @@ graph {
node [fillcolor="#FFFFFF" fontname=arial height=0 margin=0 shape=none style=filled width=0]
edge [fontname=arial style=bold]
edge [color="#FF66CC" headclip=false style="solid,bold" tailclip=false]
- X1:p1j:c -- X1:p5j:c [addPTS=.18 straight=straight]
- X1:p5j:c -- X1:p7j:c [addPTS=.18 straight=straight]
+ X1:p1j:c -- X1:p5j:c [addPTS=.18 colorPTS="#FF66CC" straight=straight]
+ X1:p5j:c -- X1:p7j:c [addPTS=.18 colorPTS="#FF66CC" straight=straight]
edge [color="#FF0000" headclip=false style="solid,bold" tailclip=false]
- X1:p2j:c -- X1:p6j:c [addPTS=.18 straight=straight]
+ X1:p2j:c -- X1:p6j:c [addPTS=.18 colorPTS="#FF0000" straight=straight]
edge [headclip=true style=bold tailclip=true]
X1 [label=<
@@ -94,10 +94,10 @@ graph {
> fillcolor="#FFFFFF" shape=box style=filled]
edge [color="#000000" headclip=false style="solid,bold" tailclip=false]
- X2:p1j:c -- X2:p5j:c [addPTS=.18 straight=straight]
- X2:p5j:c -- X2:p7j:c [addPTS=.18 straight=straight]
+ X2:p1j:c -- X2:p5j:c [addPTS=.18 colorPTS="#000000" straight=straight]
+ X2:p5j:c -- X2:p7j:c [addPTS=.18 colorPTS="#000000" straight=straight]
edge [color="#000000" headclip=false style="solid,bold" tailclip=false]
- X2:p2j:c -- X2:p6j:c [addPTS=.18 straight=straight]
+ X2:p2j:c -- X2:p6j:c [addPTS=.18 colorPTS="#000000" straight=straight]
edge [headclip=true style=bold tailclip=true]
X2 [label=<
diff --git a/examples/ex15.html b/examples/ex15.html
index 06cd991..00c976c 100644
--- a/examples/ex15.html
+++ b/examples/ex15.html
@@ -323,6 +323,66 @@
X2:c--X2:c
+
+
+__CIRCLE__1
+
+
+
+
+__CIRCLE__2
+
+
+
+
+__CIRCLE__3
+
+
+
+
+__CIRCLE__4
+
+
+
+
+__CIRCLE__5
+
+
+
+
+__CIRCLE__6
+
+
+
+
+__CIRCLE__7
+
+
+
+
+__CIRCLE__8
+
+
+
+
+__CIRCLE__9
+
+
+
+
+__CIRCLE__10
+
+
+
+
+__CIRCLE__11
+
+
+
+
+__CIRCLE__12
+
+
diff --git a/examples/ex15.png b/examples/ex15.png
index e09849f..9ec5ee9 100644
Binary files a/examples/ex15.png and b/examples/ex15.png differ
diff --git a/examples/ex15.svg b/examples/ex15.svg
index 96a063f..6b18f9f 100644
--- a/examples/ex15.svg
+++ b/examples/ex15.svg
@@ -294,5 +294,65 @@
X2:c--X2:c
+
+
+__CIRCLE__1
+
+
+
+
+__CIRCLE__2
+
+
+
+
+__CIRCLE__3
+
+
+
+
+__CIRCLE__4
+
+
+
+
+__CIRCLE__5
+
+
+
+
+__CIRCLE__6
+
+
+
+
+__CIRCLE__7
+
+
+
+
+__CIRCLE__8
+
+
+
+
+__CIRCLE__9
+
+
+
+
+__CIRCLE__10
+
+
+
+
+__CIRCLE__11
+
+
+
+
+__CIRCLE__12
+
+