overview.fmt

早期freebsd实现

##  $Revision: 1.2 $
##  overview.fmt - format of news overview database
##  Format
##	<header>
##	<header>:full
##  header is a news article header, known by innd.  If ":full" appears,
##  then header name will be prepended.  Order of lines is important!
Subject:
From:
Date:
Message-ID:
References:
Bytes:
Lines:
##  Some newsreaders get better performance if Xref is present
#Xref:full