On 2023-06-30  07:54, Eli Zaretskii wrote:

>>> Yes, please.  A manual that lacks Concept Index is not a good
>>> manual, IMO.  In fact, Concept Index should be the very first
>>> index in a manual; there are some good manuals which have only
>>> that and nothing else.

Here you go: Concept index added, structure titles title-cased.  Please
check.

Thanks