Message from discussion recover for Mac Os X carbon?

Path: g2news1.google.com!postnews.google.com!n19g2000vba.googlegroups.com!not-for-mail
From: Matt Weiner <m...@mattweiner.net>
Newsgroups: rec.games.roguelike.nethack
Subject: recover for Mac Os X carbon?
Date: Tue, 30 Jun 2009 12:30:36 -0700 (PDT)
Organization: http://groups.google.com
Lines: 7
Message-ID: <f9eafafa-6145-4d0f-b786-71579a21e392@n19g2000vba.googlegroups.com>
NNTP-Posting-Host: 65.183.153.77
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
X-Trace: posting.google.com 1246390236 26135 127.0.0.1 (30 Jun 2009 19:30:36 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Tue, 30 Jun 2009 19:30:36 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: n19g2000vba.googlegroups.com; posting-host=65.183.153.77; 
	posting-account=nIr-gwoAAABdj-8bOWsGBNXAD2-PUlVR
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; 
	rv:1.9.0.5) Gecko/2008120121 Firefox/3.0.5,gzip(gfe),gzip(gfe)

Does anyone know how it's possible to recover from a crash on the Mac
OS X carbon port? The version says that "insurance files for
recovering from crash" are compiled in, but I can't figure out how to
use it. (Following a hint from an earlier RGRN thread, I tried
restarting with the same name, but it didn't work.) And the in-game
mac-specific help says that Recover is packaged within the Dungeon
file, but it wasn't among the files I got.