add warning "cross reference to self"; inspired by mdoclint

1 files changed, 1 insertions, 0 deletions

diff --git a/read.c b/read.c
index 2327b6ee..686d6fc6 100644
--- a/read.c
+++ b/read.c
@@ -139,6 +139,7 @@ static	const char * const	mandocerrs[MANDOCERR_MAX] = {
 	"sections out of conventional order",
 	"duplicate section title",
 	"unexpected section",
+	"cross reference to self",
 	"unusual Xr order",
 	"unusual Xr punctuation",
 	"AUTHORS section without An macro",