+
+.SH EXIT STATUS
+
+This command supports the following special exit status codes
+
+.TP
+.B 20
+The requested format version is too old.
+.TP
+.B 21
+The requested format version is too new.
+
+.SH SEE ALSO
+
+\fBnotmuch\fR(1), \fBnotmuch-config\fR(1), \fBnotmuch-count\fR(1),
+\fBnotmuch-dump\fR(1), \fBnotmuch-hooks\fR(5), \fBnotmuch-new\fR(1),
+\fBnotmuch-reply\fR(1), \fBnotmuch-restore\fR(1),
+\fBnotmuch-search-terms\fR(7), \fBnotmuch-show\fR(1),
+\fBnotmuch-tag\fR(1)