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Hello, following up http://mail.python.org/pipermail/docs/2012-January/007026.html I noticed the whole Document class (and relative methods) is not documented.
Maybe it is a choice to not document it, or maybe it's just a missing doc, dunno, the's why I'm opening this :)

This https://docs.python.org/3/library/xml.dom.minidom.html#module-xml.dom.minidom currently states under section 20.7.1 "The definition of the DOM API for Python is given as part of the xml.dom module documentation. This section lists the differences between the API and xml.dom.minidom.". The Document object is described here https://docs.python.org/3/library/xml.dom.html#document-objects 

In xml.dom, the documentation suggests that there are classes called Document and others, and I was surprised to find that they don’t exist. Apparently they are more like pseudo-code names of abstract interfaces instead. However in xml.dom.minidom there is a real Python class called Document. The documentation should be clearer about this.
I don’t think we need to duplicate the descriptions already given in xml.dom. But it would be good to explicitly say what the public minidom classes are, and point out (or link) what APIs they support.

Although the Document, Element, etc. classes are well documented in online docs, it is sometimes easier to use pydoc to view the documentation. I think documentation strings should be included to these classes. Just created a PR adding some docstrings.

New changeset 63e5b59c06fc99f95d274e7f181296e094cc3ee7 by Alex Itkes in branch 'master':
bpo-13743: Add some documentation strings to xml.dom.minidom (GH-16355)
https://github.com/python/cpython/commit/63e5b59c06fc99f95d274e7f181296e094cc3ee7

A first PR was applied, but I'll leave this ticket open since it changes nothing for the "Document" class. :)