- [publicinbox "test"]
- watchheader = List-Id:<test.example.com>
-
-If specified, L<public-inbox-watch(1)> will only process mail
-matching the given header. If specified multiple times in
-public-inbox 1.5 or later, mail will be processed if it matches
-any of the values. Only the last value was used in public-inbox
-1.4 and earlier.
-
-Default: none; only for L<public-inbox-watch(1)> users