GeezerVison

1. I found that CodecInfo class signature contains an undocumented (non-public) _is_text_encoding argument:

<Signature (encode, decode, streamreader=None, streamwriter=None, incrementalencoder=None, incrementaldecoder=None, name=None, *, _is_text_encoding=None)>

I don't think this should be documented, but I thought I'd point it out just in case.

2. I'm not a fan of using / and I also want to point out that it doesn't seem natural for codecs functions to use positional-only arguments, since they are only used in the functions that I updated. I would suggest getting rid of / in the code instead of documenting it.

📚 Documentation preview 📚: https://cpython-previews--131992.org.readthedocs.build/

• Issue: Update function signatures to use * and / as needed #131885