* The directive option ``:noindex:`` was renamed to ``:no-index:``.
* The directive option ``:noindexentry:`` was renamed to ``:no-index-entry:``.
* The directive option ``:nocontentsentry:`` was renamed to ``:no-contents-entry:``.
The previous names are retained as aliases, but will be deprecated
and removed in a future version of Sphinx (9.0 or later).