Implement the first steps of equation parsing from within libmdoc.

This consists of a shim around the text parser that calls out to libroff
if equation components exist on the line.  Right now this will do
nothing, as the equation delimiter always returns nil.

1 files changed, 2 insertions, 2 deletions

diff --git a/libroff.h b/libroff.h
index f6317a96..8752b68c 100644
--- a/libroff.h
+++ b/libroff.h
@@ -72,9 +72,9 @@ int		 tbl_layout(struct tbl_node *, int, const char *);
 int		 tbl_data(struct tbl_node *, int, const char *);
 int		 tbl_cdata(struct tbl_node *, int, const char *);
 const struct tbl_span	*tbl_span(struct tbl_node *);
-void		 tbl_end(struct tbl_node *);
+void		 tbl_end(struct tbl_node **);
 struct eqn_node	*eqn_alloc(const char *, int, int, struct mparse *);
-enum rofferr	 eqn_end(struct eqn_node *);
+enum rofferr	 eqn_end(struct eqn_node **);
 void		 eqn_free(struct eqn_node *);
 enum rofferr 	 eqn_read(struct eqn_node **, int, 
 			const char *, int, int *);