diff --git a/c/test/input/double-ps.dkvp b/c/test/input/double-ps.dkvp
new file mode 100644
index 000000000..59aff8f0f
--- /dev/null
+++ b/c/test/input/double-ps.dkvp
@@ -0,0 +1,2 @@
+a=pan,b=wy.e,c=3
+a=pan,b=wy=e,c=3