calling the C function wadd_wch()/mvwadd_wch() if the Python curses is linked
to libncursesw.
+Documentation
+-------------
+
+- Issue #15814: The memoryview enhancements in 3.3.0 accidentally permitted
+ the hashing of multi-dimensional memorviews and memoryviews with multi-byte
+ item formats. The intended restrictions have now been documented - they
+ will be correctly enforced in 3.3.1
+
What's New in Python 3.3.0 Release Candidate 1?
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