-struct tbl *tbl_alloc(void);
-void tbl_free(struct tbl *);
-void tbl_reset(struct tbl *);
-enum rofferr tbl_read(struct tbl *, int, const char *, int);
-enum tbl_tok tbl_next(struct tbl *, const char *, int *);
+struct eqn_node {
+ struct eqn eqn;
+ struct eqn_node *next;
+};
+
+#define TBL_MSG(tblp, type, line, col) \
+ (*(tblp)->msg)((type), (tblp)->data, (line), (col), NULL)
+
+struct tbl_node *tbl_alloc(int, int, void *, mandocmsg);
+void tbl_restart(int, int, struct tbl_node *);
+void tbl_free(struct tbl_node *);
+void tbl_reset(struct tbl_node *);
+enum rofferr tbl_read(struct tbl_node *, int, const char *, int);
+int tbl_option(struct tbl_node *, int, const char *);
+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 *);
+struct eqn_node *eqn_alloc(int, int);
+void eqn_end(struct eqn_node *);
+void eqn_free(struct eqn_node *);
+enum rofferr eqn_read(struct eqn_node **, int, const char *, int);