====== Checking before the patch ======
 ====== Checking the tree with the patch ======
New warnings added
--- /tmp/tmp.C1NjjABPzP	2025-07-15 09:54:43.257757257 -0700
+++ /tmp/tmp.jQy7X8ZG8U	2025-07-15 09:54:43.627755336 -0700
@@ -0,0 +1,3 @@
+ulp_ddp.yaml
+  8:1       warning  missing document start "---"  (document-start)
+