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Date: Sun, 29 Mar 2015 09:56:48 +0800
From: Han Pingtian <hanpt@linux.vnet.ibm.com>
To: zsh-user <zsh-users@zsh.org>
Subject: When _ra_comp() in _regex_arguments() gets called ?
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Hey,

I'm trying to understand the utility function "_regex_arguments()" and
stuck at when the _ra_comp() is called. This function is placed in array
"regex" something like ":_ra_comp :'compadd aaa'". There is a colon
before its name. What does the colon mean here?

Thanks!