Specials/push and pull

HTML	RESULT
{sequence from=20, rows=10, push='mySequence'}
{pull mySequence} {$sequence} {/pull}	20 21 22 23 24 25 26 27 28 29
{mySequence} {$sequence} {/mySequence}	20 21 22 23 24 25 26 27 28 29
{sequence from=30, rows=10}
{pull} {$sequence} {/pull}	30 31 32 33 34 35 36 37 38 39
{default} {$sequence} {/default}	30 31 32 33 34 35 36 37 38 39