Merge topic 'Help-create_test_sourcelist'

464bc12bb7 Help/create_test_sourcelist: format arguments in the signature docs
131f9c9efa Help/create_test_sourcelist: add formatting markup
8540520902 Help/create_test_sourcelist: reflow prose

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !9059