The general text was provided by the ISO CS. A list of incorporated
technical specifications was derived from N4824. A list of technical
changes since C++17 was derived from P2131R0.

Such links were pointing to immediately after the clause
or annex title, not to immediately before them. The issue
was introduced with commit beb8815.

Fixes NB JP 014 and JP 015 (C++20 DIS)

Fixes NB JP 013 (C++20 DIS)

Fixes ISO/CS 018 (C++20 DIS).

A "hanging paragraph" per the ISO Directives, Part 2,
is a subclause that directly contains text as well as
subordinate subclauses.  Those are not allowed.

formerly-hanging paragraphs.

These typically mean the parent subclause now. Mechanically:

"this subclause" became "\ref{parent}".

"This subclause" became "Subclause \ref{parent}", because it doesn't
look great to start a sentennce with a subclause number.

... with some manual fixups for cases where that didn't work out well.

Integrate trademark acknowledgements into [intro.refs].
Add base works to the bibliography.
Remove introductory sentence from the bibliography.

Partially addresses ISO/CS 016 (C++20 DIS)

list of main changes and remove some more minor items.

Fixes ISO/CS 012 (C++20 DIS).