Merge topic 'target-sources-items'

26ab82e02a Merge branch 'backport-4.4-target-sources-items' into target-sources-items
b3e1e07c67 Help: target_sources: Align descriptions with signatures
5568dbf96b Merge branch 'backport-4.3-target-sources-items'
8df169ebe1 Help: target_sources: Align descriptions with signatures
72ff5cb481 Help: target_sources: Align descriptions with signatures

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !12302