Unrecognized escape sequences in string literals

Steven D'Aprano steven at REMOVE.THIS.cybersource.com.au
Wed Aug 12 09:08:06 CEST 2009

On Tue, 11 Aug 2009 14:48:24 -0700, Douglas Alan wrote:

> In any case, my argument has consistently been that Python should have
> treated undefined escape sequences consistently as fatal errors, 

A reasonable position to take. I disagree with it, but it is certainly 

> not as warnings.

I don't know what language you're talking about here, because non-special 
escape sequences in Python aren't either errors or warnings:

>>> print "ab\cd"

No warning is made, because it's not considered an error that requires a 
warning. This matches the behaviour of other languages, including C and 


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