diff -r aa284d9a33ca -r a58748300e61 mercurial/verify.py
--- a/mercurial/verify.py	Mon Mar 04 20:18:13 2019 +0530
+++ b/mercurial/verify.py	Wed Mar 06 11:23:05 2019 +0100
@@ -52,6 +52,7 @@
         self.warnorphanstorefiles = True
 
     def warn(self, msg):
+        """record a "warning" level issue"""
         self.ui.warn(msg + "\n")
         self.warnings += 1