libman documents require `TH' and at least one node.

libman requirements documented in man.7 STRUCTURE section.
Added STRUCTURE section to mdoc.7, too.

1 files changed, 3 insertions, 1 deletions

diff --git a/libman.h b/libman.h
index 8d3761ef..375f3dff 100644
--- a/libman.h
+++ b/libman.h
@@ -45,7 +45,9 @@ enum	merr {
 	WDATE,
 	WLNSCOPE,
 	WTSPACE,
-	WTQUOTE
+	WTQUOTE,
+	WNODATA,
+	WNOTITLE
 };
 
 __BEGIN_DECLS