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Sat Aug 23 14:43:27 CEST 2008 · https://mail.python.org/pipermail/python-dev/2008-August/081943.html

 >Isaac Morland wrote:

> This would avoid accidentally leaving out commas in list construction, 
> but tuple construction would still have the same problem.

Tuple construction already has a "no comma, no tuple" problem.  That 
problem remains, but as soon as you add a comma, you'll get the same 
protection as you get for lists.

 > And it's still a change in the language which would probably affect
 > lots of existing code.

Having read and written tons of existing code, I'm not so sure about 
that.  A tool that wraps backslash-escaped blocks in parentheses would 
take care of most cases.  What's left after that is probably ambiguous 
to a human reader anyway.

<F>

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[Python-Dev] String concatenation