Matt Harbison <matt_harbison@yahoo.com> [Fri, 02 Feb 2018 23:20:55 -0500] rev 35906
bookmarks: drop deprecated methods (API)
The ProgrammingError prevents accidental usage of the dict base class methods.
.. api::
The following deprecated methods have been removed from bookmarks:
__setitem__(), __delitem__(), update(), and recordchange(). Use
bookmarks.applychanges() instead.