Ticket #13257: proposed_change.diff

(a) forms.py vs. (b) (current

@@ -479 +479 @@
         If attrs are given, they're used as HTML attributes on the <label> tag.
         """
         contents = contents or conditional_escape(self.label)
+        if len(contents) == 1:
+            contents = '&nbsp;'
         widget = self.field.widget
         id_ = widget.attrs.get('id') or self.auto_id
         if id_: