[issue10435] Document unicode C-API in reST

[Alexander Belopolsky]

Alexander Belopolsky <belopolsky at users.sourceforge.net> added the comment:

On Tue, Nov 16, 2010 at 5:54 PM, Marc-Andre Lemburg
<report at bugs.python.org> wrote:
>
> Marc-Andre Lemburg <mal at egenix.com> added the comment:
>
> Please note that PyCodec_Encode()/PyCodec_Decode() will return whatever the codec returns for these operations.
>
> The codec system is not limited to converting between Unicode and bytes only.

Not according to the latest reST documentation:

"""
* Encoding converts a string object to a bytes object using a
particular character set encoding (e.g., cp1252 or iso-8859-1).

* Decoding converts a bytes object encoded using a particular
character set encoding to a string object.
""" http://docs.python.org/dev/library/codecs.html?highlight=codecs#codecs.Codec.encode

> A typical example is a same-type codec such as rot13 that only transforms Unicode data.

I thought rot13 would only transform English (or Latin) alphabet.

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