package format I<or> if the operating system does not have
a real packaging system (eg. Windows).
-Possible strings include: C<rpm>, C<deb>, C<ebuild>, C<pisi>, C<pacman>.
+Possible strings include:
+C<rpm>, C<deb>, C<ebuild>, C<pisi>, C<pacman>, C<pkgsrc>.
Future versions of libguestfs may return other strings.
Please read L<guestfs(3)/INSPECTION> for more details.");