CMake/Help/release/dev/variable_watch-no-allowed-a...

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variable_watch-no-allowed-access
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* Callbacks established by the :command:`variable_watch` command will no
longer receive the ``ALLOWED_UNKNOWN_READ_ACCESS`` access type when
the undocumented ``CMAKE_ALLOW_UNKNOWN_VARIABLE_READ_ACCESS`` variable is
set. Uninitialized variable accesses will always be reported as
``UNKNOWN_READ_ACCESS``.