Use .Dv with NULL.

2010-10-24 16:10:32 +00:00 · 2010-10-24 16:10:32 +00:00 · 95adbc959b
commit 95adbc959b
parent f36575b51c
1 changed files with 3 additions and 1 deletions
--- a/share/man/man9/make_dev.9
+++ b/share/man/man9/make_dev.9
@ -271,7 +271,9 @@ After
 .Fn destroy_dev
 is finished, and if the supplied
 .Fa cb
-is not NULL, the callback
+is not
+.Dv NULL ,
+the callback
 .Fa cb
 is called, with argument
 .Fa arg .