mark defos as const; nobody needs to change it,

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

1 files changed, 2 insertions, 1 deletions

diff --git a/mandoc.h b/mandoc.h
index ff77e642..5df81b46 100644
--- a/mandoc.h
+++ b/mandoc.h
@@ -419,7 +419,8 @@ int		  mchars_spec2cp(const struct mchars *,
 			const char *, size_t);
 const char	 *mchars_spec2str(const struct mchars *,
 			const char *, size_t, size_t *);
-struct mparse	 *mparse_alloc(int, enum mandoclevel, mandocmsg, char *);
+struct mparse	 *mparse_alloc(int, enum mandoclevel, mandocmsg,
+			const char *);
 void		  mparse_free(struct mparse *);
 void		  mparse_keep(struct mparse *);
 enum mandoclevel  mparse_readfd(struct mparse *, int, const char *);