Cleanup, no functional change:

Move tbl(7)-specific parser internals out of libroff.h.
Move some tbl(7)-internal processing from roff.c to tbl.c.

1 files changed, 1 insertions, 1 deletions

diff --git a/roff.h b/roff.h
index 5cc8c15e..83b21f2c 100644
--- a/roff.h
+++ b/roff.h
@@ -502,7 +502,7 @@ struct	roff_node {
 	struct mdoc_arg	 *args;    /* BLOCK/ELEM */
 	union mdoc_data	 *norm;    /* Normalized arguments. */
 	char		 *string;  /* TEXT */
-	const struct tbl_span *span; /* TBL */
+	struct tbl_span	 *span;    /* TBL */
 	struct eqn_box	 *eqn;     /* EQN */
 	int		  line;    /* Input file line number. */
 	int		  pos;     /* Input file column number. */