From 269157a8f40dfdac082f39befd69f170263d2ce1 Mon Sep 17 00:00:00 2001
From: Leonard Richardson <leonardr@segfault.org>
Date: Tue, 7 May 2013 08:19:02 -0400
Subject: Now that lxml's segfault on invalid doctype has been fixed, fix a  
 corresponding problem on the Beautiful Soup end that was previously  
 invisible. [bug=984936]

---
 bs4/element.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'bs4/element.py')

diff --git a/bs4/element.py b/bs4/element.py
index d58da92..f38d9b4 100644
--- a/bs4/element.py
+++ b/bs4/element.py
@@ -779,7 +779,7 @@ class Doctype(PreformattedString):
 
     @classmethod
     def for_name_and_ids(cls, name, pub_id, system_id):
-        value = name
+        value = name or ''
         if pub_id is not None:
             value += ' PUBLIC "%s"' % pub_id
             if system_id is not None:
-- 
cgit v1.2.3