From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <gitster@pobox.com>
Subject: Re: multiple source file extensions
Date: Sat, 02 May 2015 19:26:16 -0700
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Cc: Jeff King <peff@peff.net>, Duy Nguyen <pclouds@gmail.com>,
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To: Eric Sunshine <sunshine@sunshineco.com>
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Eric Sunshine <sunshine@sunshineco.com> writes:

>> I agree we don't really need curly braces in pathspecs. :)
>
> However, neither POSIX shells nor the Windows command interpreter
> support curly-brace alternation.

Why "However"?  Neither of them offer it because their users do not
need it---why should we give it only when they are using Git and
only for the in-repo contents (we obviously cannot help when their
users want to refer to the working tree files)?