Subject: what is a 'sequencer'

From: Neal Kreitzinger <[email-masked]>
Date: Mon, 23 Apr 2012 20:32:35 -0500

All the talk about git 'sequencer' sounds interesting, but I don't know 
what it is.  (web search didn't help.)  Is there an explanation 
somewhere on what its supposed to do?

v/r,
neal