Fix to make horizontal spanners in the layout be properly printed.

mandoc also now warns (so does tbl(1)) if a horizontal spanner is
specified along with data.

While here, fix up some documentation and uncomment the tbl reference.

1 files changed, 5 insertions, 0 deletions

diff --git a/tbl_data.c b/tbl_data.c
index dd71d067..2090764f 100644
--- a/tbl_data.c
+++ b/tbl_data.c
@@ -82,6 +82,11 @@ data(struct tbl_node *tbl, struct tbl_span *dp,
 		dat->pos = TBL_DATA_NDHORIZ;
 	else
 		dat->pos = TBL_DATA_DATA;
+
+	if (TBL_CELL_HORIZ == dat->layout->pos ||
+			TBL_CELL_DHORIZ == dat->layout->pos)
+		if (TBL_DATA_DATA == dat->pos && '\0' != *dat->string)
+			TBL_MSG(tbl, MANDOCERR_TBLIGNDATA, ln, sv);
 }
 
 int