Fix a TODO noted by schwarze@, originally by Christian Weisgerber:

literal mode (`nf') is ended by SH (and, it turns out, SS as well).
Noted the updated behaviour in man.7 as well.

1 files changed, 4 insertions, 0 deletions

diff --git a/man.7 b/man.7
index 1b271f1f..e2fc31ec 100644
--- a/man.7
+++ b/man.7
@@ -845,6 +845,10 @@ Begin literal mode: all subsequent free-form lines have their end of
 line boundaries preserved.
 May be ended by
 .Sx \&fi .
+Literal mode is implicitly ended by
+.Sx \&SH
+or
+.Sx \&SS .
 .Ss \&sp
 Insert vertical spaces into output with the following syntax:
 .Bd -filled -offset indent