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

[Serhiy Storchaka]

On 23.02.15 21:58, Joao S. O. Bueno wrote:
> That happens all the time, and is this use case that should possibly
> be addressed here - maybe
> something as simple as adding a couple of paragraphs to different places
> in the documentation could mitigate the issue. (in contrast to make a
> tons of otherwise valid code
> to become deprecated in a couple releases).

The problem is that the user don't know that he should read the 
documentation. It just find that his script works with "C:\sample.txt", 
but doesn't work with "D:\test.txt". He has no ideas what happen.