+# n.b: this is probably invalid since we dropped CGI for PSGI:
+like(id_compress('foo%bar@wtf'), qr/\A[a-f0-9]{40}\z/,
+ "percent always converted to sha1 to workaround buggy httpds");
+
+is(id_compress('foobar-wtf'), 'foobar-wtf', 'regular ID not compressed');
+