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From: Bart Schaefer <schaefer@brasslantern.com>
Message-id: <131117104041.ZM30561@torch.brasslantern.com>
Date: Sun, 17 Nov 2013 10:40:41 -0800
In-reply-to: <20131117052423.GA20827@localhost.localdomain>
Comments: In reply to Han Pingtian <hanpt@linux.vnet.ibm.com>
 "[PATCH] don't treat alone grouping pattern as glob qualifier" (Nov 17,
 1:24pm)
References: <20131117052423.GA20827@localhost.localdomain>
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Subject: Re: [PATCH] don't treat alone grouping pattern as glob qualifier
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On Nov 17,  1:24pm, Han Pingtian wrote:
}
} Looks like the alone grouping pattern (s*) is treated as qualifier.

That would be correct according to the documentation ... anything in
parens that can't be distinguished from a qualifier, is a qualifier,
unless you unsetopt BARE_GLOB_QUAL.

"A glob subexpression that would normally be taken as glob qualifiers,
for example `(^x)', can be forced to be treated as part of the glob
pattern by doubling the parentheses, in this case producing `((^x))'."

However, I can't immediately think of any reason why a paren should be
considered part of a "trailing set" when nothing precedes it ...