mark defos as const; nobody needs to change it,

and it is occasionally useful to be able to pass literal strings

1 files changed, 1 insertions, 1 deletions

diff --git a/mdoc.c b/mdoc.c
index ead01c15..d5ae55cf 100644
--- a/mdoc.c
+++ b/mdoc.c
@@ -189,7 +189,7 @@ mdoc_free(struct mdoc *mdoc)
  */
 struct mdoc *
 mdoc_alloc(struct roff *roff, struct mparse *parse,
-	char *defos, int quick)
+	const char *defos, int quick)
 {
 	struct mdoc	*p;