NetBSD master CVS tree commits

[source%NetBSD.ORG@localhost]

lukem
Mon Nov 17 02:54:18 PST 1997
Update of /cvsroot/src/share/man/man4
In directory netbsd1:/var/slash-tmp/cvs-serv7862

Modified Files:
        ddb.4 
Log Message:
* major rewrite from scratch using -mandoc macros (it was a -man.old doc)
* cleaned up a few points, clarifying ambiguous sentences
* documented DDB_HISTORY_SIZE=xxx kernel option, and the appropriate
  editing keys
* added notes on how to drop into ddb on the mac68k (from [kern/4501])