Specials/shift

HTML	RESULT
{sequence '11..40', action='shift|2' } {$sequence} {/sequence}	11 12
{sequence '11..40', push='mySequence' }
{mySequence action='shift|2' } {$sequence} {/mySequence}	11 12
{action shift=2, mySequence } {$sequence} {/action}	13 14
{action mySequence, shift=2 } {$sequence} {/action}	15 16
{mySequence:shift 2 } {$sequence} {/mySequence:shift}	17 18
{action:shift mySequence, 2 } {$sequence} {/action:shift}	19 20
{shift mySequence, 2 } {$sequence} {/shift}	21 22
{shift:mySequence 2 } {$sequence} {/shift:mySequence}	23 24
{action:mySequence shift=2 } {$sequence} {/action:mySequence}	25 26