[Python-Dev] Should PEP 498 specify if rf'...' is valid?

[Alexander Walters]

Have you ever used a command line application that --accepted --Boolean 
--flags?   Have you ever found one that required the flags to be in 
order?  You remember how much you hated that application for being so 
arbitrary about the input?

That is exactly how I feel about the order mattering for string prefixes 
in 2.7.  3.x got rid of that, and that is one of the few undeniably good 
choices made in python 3.

for the love of all that is holy, don't un-fix that.



On 10/27/2015 14:39, Sven R. Kunze wrote:
> On 26.10.2015 20:54, Ethan Furman wrote:
>> You misunderstand -- the order of string prefixes does *not* matter, 
>> so forcing us to use one is silly.
>
> I don't think so.
>
> It's better to have less possibilities in the beginning. So later on, 
> we can easily relax the restrictions without breaking compatibility.
>
> Best,
> Sven
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