diff -r 000000000000 -r 6474c204b198 image/test/reftest/pngsuite-zlib/reftest.list
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/image/test/reftest/pngsuite-zlib/reftest.list	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+# z00n2c08 - color, no interlacing, compression level 0 (none)
+== z00n2c08.png z00n2c08.html
+# z03n2c08 - color, no interlacing, compression level 3
+== z03n2c08.png z03n2c08.html
+# z06n2c08 - color, no interlacing, compression level 6 (default)
+== z06n2c08.png z06n2c08.html
+# z09n2c08 - color, no interlacing, compression level 9 (maximum) 
+== z09n2c08.png z09n2c08.html