def METHOD_NAME(caps):
    print "Mailcap files:"
    for fn in listmailcapfiles(): print "\t" + fn
    print
    if not caps: caps = getcaps()
    print "Mailcap entries:"
    print
    ckeys = caps.keys()
    ckeys.sort()
    for type in ckeys:
        print type
        entries = caps[type]
        for e in entries:
            keys = e.keys()
            keys.sort()
            for k in keys:
                print "  %-15s" % k, e[k]
            print