Re: Emacs 25.2, win64, env vars

[Eli Zaretskii]

> From: Fabrice Popineau <address@hidden>
> Date: Tue, 11 Jul 2017 18:24:15 +0200
> Cc: Noam Postavsky <address@hidden>, Emacs developers <address@hidden>
> 
>  If so, does it mean that after
>  invoking 'setenv', your process-environment has 2 members which both
>  start with "TEMP=", but have different values? Because _this_ is what
>  I cannot reproduce and frankly don't understand how could it happen.
> 
> And now I understand the reason why you don't see the problem.
> I compile emacs from a mingw64 prompt. I have started emacs from the msys2 
> bash.
> This is what messes up the environment. 

Can you tell the details of how it "messes up" the environment?

> One one hand, I would say that my proposed fix is harmless and makes sure 
> case insensitive search is used
> for platforms where env vars are supposed to be case insensitive.
> On the other hand, the problem is the msys2 bash.

Maybe we can fix that use case as well, if we understand it well
enough.