diff -r 320862b2d6f1 -r da8af0237e78 scripts/functions
--- a/scripts/functions	Sat Jul 19 22:45:17 2008 +0000
+++ b/scripts/functions	Fri Jul 25 09:52:52 2008 +0000
@@ -334,9 +334,10 @@
     local file="$1"
     local first_ext=""
     shift
+    # If next argument starts with a dot, then this is not an URL,
+    # and we can consider that it is a preferred extension.
     case "$1" in
-        .tar.bz2|.tar.gz|.tgz|.tar)
-            first_ext="$1"
+        .*) first_ext="$1"
             shift
             ;;
     esac