Merge topic 'doc-CMAKE_FRAMEWORK-crossref'

f57a53d4 Help: Document that CMAKE_FRAMEWORK initializes FRAMEWORK target prop

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !3478
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passed cmake-hythloth-linux-debug-makefiles+sphinx

00:55:27

passed cmake-minoc-linux-release-lint-iwyu-tidy

00:25:04

passed cmake-moonshade-osx-release-makefiles

00:25:40