1 files changed, 1 insertions, 0 deletions
diff --git a/mdocml.c b/mdocml.c
index 50b69096..a9fe064a 100644
--- a/mdocml.c
+++ b/mdocml.c
@@ -72,6 +72,7 @@ main(int argc, char *argv[])
 		in = *argv++;
 
 	args.type = MD_HTML4_STRICT;
+	args.dbg = MD_DBG_TREE;
 
 	return(begin_io(&args, out ? out : "-", in ? in : "-"));
 }