sent, command-list MUST NOT be sent; the commands recorded in the
push certificate is used instead.
-The pack-file MUST NOT be sent if the only command used is 'delete'.
+The packfile MUST NOT be sent if the only command used is 'delete'.
-A pack-file MUST be sent if either create or update command is used,
+A packfile MUST be sent if either create or update command is used,
even if the server already has all the necessary objects. In this
-case the client MUST send an empty pack-file. The only time this
+case the client MUST send an empty packfile. The only time this
is likely to happen is if the client is creating
a new branch or a tag that points to an existing obj-id.