02.11.21 16:16, Petr Viktorin пише: > As for \0, can we ban all ASCII & C1 control characters except > whitespace? I see no place for them in source code.
All control characters except CR, LF, TAB and FF are banned outside comments and string literals. I think it is worth to ban them in comments and string literals too. In string literals you can use backslash-escape sequences, and comments should be human readable, there are no reason to include control characters in them. There is a precedence of emitting warnings for some superficial escapes in strings. > For homoglyphs/confusables, should there be a SyntaxWarning when an > identifier looks like ASCII but isn't? It would virtually ban Cyrillic. There is a lot of Cyrillic letters which look like Latin letters, and there are complete words written in Cyrillic which by accident look like other words written in Latin. It is a work for linters, which can have many options for configuring acceptable scripts, use spelling dictionaries and dictionaries of homoglyphs, etc. _______________________________________________ Python-Dev mailing list -- python-dev@python.org To unsubscribe send an email to python-dev-le...@python.org https://mail.python.org/mailman3/lists/python-dev.python.org/ Message archived at https://mail.python.org/archives/list/python-dev@python.org/message/DN24FK3A2DSO4HBGEDGJXERSAUYK6VK6/ Code of Conduct: http://python.org/psf/codeofconduct/
