Merge topic 'help-cmake_path-IS_PREFIX' b06887b48c Merge branch 'backport-3.20-help-cmake_path-IS_PREFIX' into help-cmake_path-IS_PREFIX 4665d1e69a Help: cmake_path: fix erroneous example for IS_PREFIX e49cbf1d44 Help: cmake_path: fix erroneous example for IS_PREFIX Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !6223