Convert messages to another format. C<LOCATION> is a source of
messages: a directory (Maildir), a file, or a URL (C<imap://>,
C<imaps://>, C<nntp://>, or C<nntps://>). URLs requiring
-authentication must use L<netrc(5)> and/or L<git-credential(1)> to
+authentication use L<git-credential(1)> to
fill in the username and password.
For a regular file, the location must have a C<E<lt>formatE<gt>:>