1. Eliminate struct eqn, instead use the existing members

of struct roff_node which is allocated for each equation anyway.
2. Do not keep a list of equation parsers, one parser is enough.
Minus fifty lines of code, no functional change.

1 files changed, 2 insertions, 2 deletions

diff --git a/tree.c b/tree.c
index f60802d4..bf18d858 100644
--- a/tree.c
+++ b/tree.c
@@ -202,7 +202,7 @@ print_mdoc(const struct roff_node *n, int indent)
 	}
 
 	if (n->eqn)
-		print_box(n->eqn->root->first, indent + 4);
+		print_box(n->eqn->first, indent + 4);
 	if (n->child)
 		print_mdoc(n->child, indent +
 		    (n->type == ROFFT_BLOCK ? 2 : 4));
@@ -287,7 +287,7 @@ print_man(const struct roff_node *n, int indent)
 	}
 
 	if (n->eqn)
-		print_box(n->eqn->root->first, indent + 4);
+		print_box(n->eqn->first, indent + 4);
 	if (n->child)
 		print_man(n->child, indent +
 		    (n->type == ROFFT_BLOCK ? 2 : 4));