[Python-Dev] Emit SyntaxWarning on unrecognized backslash escapes?

[Guido van Rossum]

On Mon, Feb 23, 2015 at 9:01 AM, Ethan Furman <ethan at stoneleaf.us> wrote:

> On 02/23/2015 08:12 AM, Brett Cannon wrote:
> > On Mon Feb 23 2015 at 10:55:23 AM Chris Angelico wrote:
>
> >> Is it at all possible for this to be introduced in the 2.x line [...]
> >
> > Starts with a minor version.
>
> Isn't there a -3 switch or something like that in 2.7.x to trigger
> warnings/errors to help port to 3.x?  Seems like this
> kind of warning could go there.
>

If we agree it will be a syntax error in 3.x eventually.

-- 
--Guido van Rossum (python.org/~guido)
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