1 files changed, 19 insertions, 0 deletions
diff --git a/mdoc.h b/mdoc.h
index 99857a14..8b2c9a05 100644
--- a/mdoc.h
+++ b/mdoc.h
@@ -247,6 +247,21 @@ struct 	mdoc_arg {
 	unsigned int	  refcnt;
 };
 
+enum	mdoc_list {
+	LIST__NONE = 0,
+	LIST_bullet,
+	LIST_column,
+	LIST_dash,
+	LIST_diag,
+	LIST_enum,
+	LIST_hang,
+	LIST_hyphen,
+	LIST_inset,
+	LIST_item,
+	LIST_ohang,
+	LIST_tag
+};
+
 /* Node in AST. */
 struct	mdoc_node {
 	struct mdoc_node *parent; /* parent AST node */
@@ -272,6 +287,10 @@ struct	mdoc_node {
 	struct mdoc_node *body;		/* BLOCK */
 	struct mdoc_node *tail;		/* BLOCK */
 	char		 *string;	/* TEXT */
+
+	union {
+		enum mdoc_list list; /* for `Bl' nodes */
+	} data;
 };
 
 #define	MDOC_IGN_SCOPE	 (1 << 0) /* Ignore scope violations. */