[issue26804] Prioritize lowercase proxy variables in urllib.request

[Senthil Kumaran]

Senthil Kumaran added the comment:

Hi Hans-Peter,

I agree with Martin's comments and suggestion.

If I understand the suggestion correctly, the only change will be a documentation change. Isn't it? 

Because getproxies_environment() in it's current form already fetches the lower_case proxy which you want to highlight that is a winner in case there are two environment variables with different cases.

Thanks!

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