[Python-Dev] Emit SyntaxWarning on unrecognized backslash escapes? (original) (raw)

Guido van Rossum guido at python.org
Mon Feb 23 18:29:09 CET 2015

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.

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