add polyline test case with floating point colour percentages

diff --git a/test/data/polyline.svg b/test/data/polyline.svg
new file mode 100644 (file)
index 0000000..2f37e44
--- /dev/null
+++ b/test/data/polyline.svg
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<svg width="120" height="120" 
+     viewPort="0 0 120 120" version="1.1"
+     xmlns="http://www.w3.org/2000/svg">
+
+    <polyline fill="none" stroke="rgb(50.5%,10.8%,100.0%)"
+              points="20,100 40,60 70,80 100,20"/>
+
+</svg>