diff --git a/test/diff/_ipr_ b/test/diff/_ipr_
new file mode 100644
index 000000000..be828f9b6
--- /dev/null
+++ b/test/diff/_ipr_
@@ -0,0 +1,8 @@
+--- https://datatracker.ietf.org/public/ipr_list.cgi 
++++ /ipr/ 
+@@ -103,0 +103,2 @@
++2000-09-15 170 i-DNS.net International general License statement
++
+@@ -108,2 +110,0 @@
+-
+-0000-09-15 170 i-DNS.net International general License statement
\ No newline at end of file