From 18c0fd30253e1f067d96d370a6b5924d9fe7eb5e Mon Sep 17 00:00:00 2001
From: christos <christos@NetBSD.org>
Date: Wed, 3 Apr 2013 01:05:16 +0000
Subject: [PATCH] Allow both x==y and x=y in conditionals. With this change the
 ksh93 manpage works.

---
 external/bsd/mdocml/dist/roff.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/external/bsd/mdocml/dist/roff.c b/external/bsd/mdocml/dist/roff.c
index f7f268848e6d..ec42f34488c1 100644
--- a/external/bsd/mdocml/dist/roff.c
+++ b/external/bsd/mdocml/dist/roff.c
@@ -1095,6 +1095,8 @@ roff_getop(const char *v, int *pos)
 			return c;
 		}
 		switch (c) {
+		case '=':
+			return '=';
 		case '>':
 			return 'g';
 		case '<':