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* Allocate the deep copy's key scratch space with the provided allocator The iterative deep copy builds each object's keys in a temporary vector of key/value pairs before handing them to the object's range constructor. That vector holds basic_json values, so like the values themselves it now uses AllocatorType instead of std::allocator. Also document that AllocatorType covers the JSON values, while most temporary storage still uses std::allocator. Signed-off-by: Niels Lohmann <mail@nlohmann.me> * Count allocate_at_least in the scratch-counting test allocator From C++23 on, libc++'s containers allocate through allocate_at_least when the allocator has one. The test allocator inherited it from std::allocator, so the scratch allocations were not counted and the test failed on Xcode. Signed-off-by: Niels Lohmann <mail@nlohmann.me> --------- Signed-off-by: Niels Lohmann <mail@nlohmann.me>