+<!ENTITY stable-version "6.0">
+<!ENTITY ubuntu-codename "precise">
+
+<!-- good and bad just refers to matching and not matching a pattern…
+ It is not a remark about the specific perl version.
+ There is no way perl could be clasified "good" (or "bad") in any version… -->
+<!ENTITY good-perl "5.10">
+<!ENTITY bad-perl "5.14">