From 9028c7532dd0fc343cc1b02e807c6e338760041d Mon Sep 17 00:00:00 2001
From: muji <freeformsystems@gmail.com>
Date: Sun, 17 Apr 2016 12:28:22 +0800
Subject: [PATCH] Guard on grandparent assignment.

---
 lib/man.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/man.js b/lib/man.js
index 8fbe8fb..156083d 100644
--- a/lib/man.js
+++ b/lib/man.js
@@ -117,7 +117,7 @@ function text(node) {
   }
 
   var p = node.parent
-    , grandparent = p.parent
+    , grandparent = p ? p.parent : null
     , dest = '';
 
   // NOTE: this captures link parents when the hierarchy is: