Support the <wbr> element

CHANGES.rst

@@ -1,6 +1,16 @@
 Change Log
 ----------
 
+1.2
+~~~
+
+Features:
+
+* Add support for the ``<wbr>`` element, `which indicates a line break
+  opportunity <https://html.spec.whatwg.org/#the-wbr-element>`_. This element
+  is allowed by default by the sanitizer. (#395) (Thank you, Tom Most!)
+
+
 1.1
 ~~~
 

html5lib/constants.py

@@ -571,7 +571,8 @@
     "col",
     "input",
     "source",
-    "track"
+    "track",
+    "wbr",
 ])
 
 cdataElements = frozenset(['title', 'textarea'])

html5lib/filters/sanitizer.py

@@ -128,6 +128,7 @@
     (namespaces['html'], 'ul'),
     (namespaces['html'], 'var'),
     (namespaces['html'], 'video'),
+    (namespaces['html'], 'wbr'),
     (namespaces['mathml'], 'maction'),
     (namespaces['mathml'], 'math'),
     (namespaces['mathml'], 'merror'),

html5lib/tests/test_sanitizer.py

@@ -50,6 +50,12 @@ def test_data_uri_disallowed_type():
     assert expected == sanitized
 
 
+def test_wbr_allowed():
+    sanitized = sanitize_html('<wbr>')
+    expected = '<wbr/>'
+    assert expected == sanitized
+
+
 def param_sanitizer():
     for ns, tag_name in sanitizer.allowed_elements:
         if ns != constants.namespaces["html"]: