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| -rw-r--r-- | Doc/library/codecs.rst | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Doc/library/codecs.rst b/Doc/library/codecs.rst index b15d293..0dcd88f 100644 --- a/Doc/library/codecs.rst +++ b/Doc/library/codecs.rst @@ -159,9 +159,13 @@ function: .. function:: register(search_function) Register a codec search function. Search functions are expected to take one - argument, being the encoding name in all lower case letters, and return a - :class:`CodecInfo` object. In case a search function cannot find - a given encoding, it should return ``None``. + argument, being the encoding name in all lower case letters with hyphens + and spaces converted to underscores, and return a :class:`CodecInfo` object. + In case a search function cannot find a given encoding, it should return + ``None``. + + .. versionchanged:: 3.9 + Hyphens and spaces are converted to underscore. .. function:: unregister(search_function) |