diff --git a/test/diff/_liaisons_321_ b/test/diff/_liaisons_321_
new file mode 100644
index 000000000..8596a922d
--- /dev/null
+++ b/test/diff/_liaisons_321_
@@ -0,0 +1,5 @@
+--- https://datatracker.ietf.org/public/liaison_detail.cgi?detail_id=321 
++++ /liaisons/321/ 
+@@ -13,1 +13,1 @@
+-IETF CCAMP WG (adrian@olddog.co.uk,dbrungard@att.com)
++IETF CCAMP WG (adrian@olddog.co.uk, dbrungard@att.com)