[Resolved] Breaking a door will remove the block above it.

When you destroy a Door, of any variety (unknown if this would affect Trapdoors however), it will destroy the block above it and not drop it in return either. This can of course be frustrating if you place something valuable there.

See attached video evidence:
https://drive.google.com/open?id=0Bx8DYwuE0E_DOEk3Vk83LUtSTUU