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+A ``.clang-format`` file has been added
+---------------------------------------
+Clang-format is a C/C++ code formatter, together with the added
+``.clang-format`` file, it produces code close enough to the NumPy
+C_STYLE_GUIDE for general use. Clang-format version 12+ is required
+due to the use of several new features, it is available in
+Fedora 34 and Ubuntu Focal among other distributions.