be careful, REL means release and this way for 1.x

sipcalc/sipcalc.spec

@@ -28,7 +28,7 @@ Summary:      IP subnet calculator
 URL:          http://www.routemeister.net/projects/sipcalc/
 Vendor:       Simon Ekstrand
 Packager:     The OpenPKG Project
-Distribution: OpenPKG [REL]
+Distribution: OpenPKG [EXP]
 Group:        Net
 License:      GPL
 Version:      1.0.3