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codecs docs: fix grammar mistake (GH-29462)

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180909 2022-04-03 05:12:32 +08:00 committed by GitHub
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Doc/library/codecs.rst
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@ -915,7 +915,7 @@ there's the so called BOM ("Byte Order Mark"). This is the Unicode character
``U+FEFF``. This character can be prepended to every ``UTF-16`` or ``UTF-32``
byte sequence. The byte swapped version of this character (``0xFFFE``) is an
illegal character that may not appear in a Unicode text. So when the
first character in an ``UTF-16`` or ``UTF-32`` byte sequence
first character in a ``UTF-16`` or ``UTF-32`` byte sequence
appears to be a ``U+FFFE`` the bytes have to be swapped on decoding.
Unfortunately the character ``U+FEFF`` had a second purpose as
a ``ZERO WIDTH NO-BREAK SPACE``: a character that has no width and doesn't allow