regions sets the maximum number of active nested regions to one.
Note that the @code{omp_set_nested} API routine was deprecated
-in the OpenMP specification 5.2 in favor of @code{omp_set_max_active_levels}.
+in the OpenMP specification 5.0 in favor of @code{omp_set_max_active_levels}.
@item @emph{C/C++}:
@multitable @columnfractions .20 .80
above one to enable.
Note that the @code{omp_get_nested} API routine was deprecated
-in the OpenMP specification 5.2 in favor of @code{omp_get_max_active_levels}.
+in the OpenMP specification 5.0 in favor of @code{omp_get_max_active_levels}.
@item @emph{C/C++}:
@multitable @columnfractions .20 .80
more than one item, otherwise they are disabled by default.
Note that the @code{OMP_NESTED} environment variable was deprecated in
-the OpenMP specification 5.2 in favor of @code{OMP_MAX_ACTIVE_LEVELS}.
+the OpenMP specification 5.0 in favor of @code{OMP_MAX_ACTIVE_LEVELS}.
@item @emph{See also}:
@ref{omp_set_max_active_levels}, @ref{omp_set_nested},