Do not add en

Author: mattn

notebook/i18n/__init__.py

@@ -47,7 +47,7 @@ def parse_accept_lang_header(accept_lang):
         by_q[qvalue].append(lang)
         if '_' in lang:
             short = lang.split('_')[0]
-            if not short in by_q[qvalue]:
+            if short != 'en':
                 by_q[qvalue].append(short)
 
     res = []

notebook/tests/test_i18n.py

@@ -6,5 +6,5 @@ def test_parse_accept_lang_header():
     palh = i18n.parse_accept_lang_header
     nt.assert_equal(palh(''), [])
     nt.assert_equal(palh('zh-CN,en-GB;q=0.7,en;q=0.3'),
-                    ['en', 'en_GB', 'zh_CN'])
+                    ['en', 'en_GB', 'zh', 'zh_CN'])
     nt.assert_equal(palh('nl,fr;q=0'), ['nl'])