[issue3446] center, ljust and rjust are inconsistent with unicode parameters

[Raymond Hettinger]

Raymond Hettinger <rhettinger at users.sourceforge.net> added the comment:

In Py2.x, I think the desired behavior should match str.join().   If
either input in unicode the output is unicode.  If both are ascii, ascii
should come out.

For Py3.x, I think the goal was to have str.join() enforce that both
inputs are unicode.  If either are bytes, then you have to know the
encoding.

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nosy: +rhettinger

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<http://bugs.python.org/issue3446>
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