> t# was meant to provide access to text data, so replacing it with a
> parser code that is meant for binary data is not correct. The
> closes Python3 gets to t# from Python2 is s# or s*, so please use
> those in the NEWS entry and s* in charbuffer_encode().

Done. Patch commited as r81854 in 3.2: it removes also codecs.charbuffer_encode(). Commit blocked in 3.1 (r81855).