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Showing content from https://mail.python.org/pipermail/python-dev/2001-July/015919.html below:

[Python-Dev] one more thing for 2.2?

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> has anyone looked at Paul Svensson's "unreserved words" patch?
> 
> http://mail.python.org/pipermail/python-list/2001-June/047996.html
> 
>     "The bottom line: apply this patch, and you can use all of Python's
>     'reserved words' as identifiers; in most cases right away, in all other
>     cases by wrapping parens around them."

Wow, an impressive hack.  But a hack!  Lots of special casing, and
breaks abstractions: the parser driver is supposed to know nothing
about the actual grammar embodied in its tables.

And it won't help with yield: things like

    yield (1)
    yield [1]

are as valid in the old syntax as they are with the yield statement
added.

--Guido van Rossum (home page: http://www.python.org/~guido/)

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