Re: XDI Access control (was Re: [xdi] Minutes: XDI TC Telecon Thursday 1-2PM PT 2010-06-03)

$   <-- Pattern: Context Self Descriptor -->
        $is$a
                ($xdi$v$1)      <-- Pattern: Context Type -->

                ($pdx$v$1)
        $is($xdi$v$1)   <-- Pattern: Context Authority -->
                =!1111.aaaa.bbbb.cccc!9999.xxxx.yyyy.zzzz