[Python-ideas] Make undefined escape sequences have SyntaxWarnings

[Antoine Pitrou]

On Wed, 10 Oct 2012 15:36:08 -0400
Mike Graham <mikegraham at gmail.com> wrote:
> The literal"\c" should be an error but in practice means "\\c". It's
> probably too late to make this invalid syntax as it out to be, but I
> wonder if a warning isn't in order, especially with the theoretical
> potential of adding new string escapes in the future.

-1. This will make life more difficult with regular expressions (and
produce lots of spurious warnings in existing code).

Regards

Antoine.


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