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[3.11] Docs: Document PyBUF_MAX_NDIM (GH-107865) (#107872)
(cherry picked from commit 637f7ff2c6
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Co-authored-by: Erlend E. Aasland <erlend@python.org>
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@ -161,10 +161,14 @@ a buffer, see :c:func:`PyObject_GetBuffer`.
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If it is ``0``, :c:member:`~Py_buffer.buf` points to a single item representing
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a scalar. In this case, :c:member:`~Py_buffer.shape`, :c:member:`~Py_buffer.strides`
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and :c:member:`~Py_buffer.suboffsets` MUST be ``NULL``.
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The maximum number of dimensions is given by :c:macro:`PyBUF_MAX_NDIM`.
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The macro :c:macro:`PyBUF_MAX_NDIM` limits the maximum number of dimensions
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to 64. Exporters MUST respect this limit, consumers of multi-dimensional
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buffers SHOULD be able to handle up to :c:macro:`PyBUF_MAX_NDIM` dimensions.
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.. :c:macro:: PyBUF_MAX_NDIM
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The maximum number of dimensions the memory represents.
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Exporters MUST respect this limit, consumers of multi-dimensional
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buffers SHOULD be able to handle up to :c:macro:`!PyBUF_MAX_NDIM` dimensions.
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Currently set to 64.
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.. c:member:: Py_ssize_t *shape
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