User-agent: linklint
Disallow: /xyzzy        # non-existent directory for linklint workaround

User-agent: htdig
Disallow: /Images/
Disallow: /~

User-agent: *
Disallow: /rrionly/
Disallow: /Images/
Disallow: /cgi-bin/
Disallow: /cgi-ext/
Disallow: /mailman/
Disallow: /icons/