Options for warning control (Sphinx)
https://www.sphinx-doc.org/ja/master/usage/configuration.html#options-for-warning-control
#設定_(Sphinx)
show_warning_types
8.0.0からTrue
https://www.sphinx-doc.org/en/master/changes/8.0.html#incompatible-changes
Turn show_warning_types on by default #12597
suppress_warnings
Added in version 8.2: autodoc.mocked_object, duplicate_declaration.c, duplicate_declaration.cpp, i18n.babel, i18n.not_readable, i18n.not_writeable, ref.any, toc.duplicate_entry, toc.empty_glob, and toc.not_included.
Add more warning types and sub-types #11677
logger.warningにtypeとsubtypeを追加している!