<cd:commandref name="hideblocks">to stop displaying blocks where they are defined.</cd:commandref>
<cd:commandref name="useblocks">to display blocks.</cd:commandref>
<cd:commandref name="processblocks">to process blocks without printing them.</cd:commandref><cd:commandref name="forceblocks"></cd:commandref><cd:commandref name="nomoreblocks"></cd:commandref></cd:seealso>
</cd:commandgroup>