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From: Bart Schaefer <schaefer@brasslantern.com>
Date: Mon, 7 Aug 2017 22:25:47 -0700
Message-ID: <CAH+w=7YnQGfcTvvzwqRhAPw-2fAC=nOu=LcH-EBa_SE6CU4nsQ@mail.gmail.com>
Subject: Re: Understanding why...
To: Clint Priest <cpriest@zsh-users.rxv.me>
Cc: Zsh Users <zsh-users@zsh.org>
Content-Type: text/plain; charset="UTF-8"

On Mon, Aug 7, 2017 at 6:26 PM, Clint Priest <cpriest@zsh-users.rxv.me> wrote:
> Interesting, when you say by default, is that an option that can be changed?

When I say "by default", I mean "you change it by adding (@)".

> Thanks for that tidbit, any chance you know in the manual whereabouts it
> talks about this inner splitting and outer preservation?

>> On 8/7/2017 7:36 PM, Bart Schaefer wrote:
>> e.g., search for the string "Rules" in "man zshexpn".

> Also (and I had tried to do this), is it possible to break out the nested
> expansions into their separate parts to see what is going on (via trace)?

Sure; setopt xtrace and then compare

: ${(s/:/)${LS_COLORS%:}}
: ${(s/=/)${(s/:/)${LS_COLORS%:}}}
: ${(@s/=/)${(s/:/)${LS_COLORS%:}}}

(where ":" is the no-op command that discards its arguments)