From bf58c02abf418556927363cf79cc86bee58d0592 Mon Sep 17 00:00:00 2001
From: Leonard Richardson <leonardr@segfault.org>
Date: Sun, 7 Dec 2014 09:31:30 -0500
Subject: Issue a warning if the BeautifulSoup constructor arguments do not
 explicitly name a parser.

---
 bs4/builder/_html5lib.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'bs4/builder/_html5lib.py')

diff --git a/bs4/builder/_html5lib.py b/bs4/builder/_html5lib.py
index 6446c2e..6013575 100644
--- a/bs4/builder/_html5lib.py
+++ b/bs4/builder/_html5lib.py
@@ -22,7 +22,9 @@ from bs4.element import (
 class HTML5TreeBuilder(HTMLTreeBuilder):
     """Use html5lib to build a tree."""
 
-    features = ['html5lib', PERMISSIVE, HTML_5, HTML]
+    NAME = "html5lib"
+
+    features = [NAME, PERMISSIVE, HTML_5, HTML]
 
     def prepare_markup(self, markup, user_specified_encoding):
         # Store the user-specified encoding for use later on.
-- 
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