[docs] [issue28489] Fix comment in tokenizer.c

[Eric V. Smith]

Eric V. Smith added the comment:

I'd actually change this to be something like:

Process b"", r"", u"", and the various legal combinations.

There are 24 total combinations when you add upper case. I actually wrote a script in Lib/tokenize.py to generate them all. And when I add binary f-strings, that number climbs to 80.

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nosy: +eric.smith

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