Fixed a regression such that if you set .hidden on a tag, the tag

  becomes invisible but its contents are still visible. User manipulation
  of .hidden is not a documented or supported feature, so don't do this,
  but it's not too difficult to keep the old behavior working.

1 files changed, 5 insertions, 0 deletions

diff --git a/bs4/element.py b/bs4/element.py
index 33cbc19..0aefe73 100644
--- a/bs4/element.py
+++ b/bs4/element.py
@@ -1845,6 +1845,11 @@ class Tag(PageElement):
         return space_before + s + space_after
 
     def _format_tag(self, eventual_encoding, formatter, opening):
+        if self.hidden:
+            # A hidden tag is invisible, although its contents
+            # are visible.
+            return ''
+
         # A tag starts with the < character (see below).
 
         # Then the / character, if this is a closing tag.