diff --git a/doc/todo/speed_up_keys_db_update_with_git_streaming/comment_2_5a223de56b15e59d190a833977ac07be._comment b/doc/todo/speed_up_keys_db_update_with_git_streaming/comment_2_5a223de56b15e59d190a833977ac07be._comment
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+[[!comment format=mdwn
+ username="Ilya_Shlyakhter"
+ avatar="http://cdn.libravatar.org/avatar/1647044369aa7747829c38b9dcc84df0"
+ subject="matching include/exclude based on file extension in the key"
+ date="2021-06-02T17:02:58Z"
+ content="""
+Actually, the include/exclude limitation above could be removed by just looking at the keys themselves, if the include/exclude expression is of the form `*.ext` and the keys include file extensions.
+
+"""]]