Areference name="parent.block.name"> <action method="unsetChild"><alias>child_block_alias</alias></action> <action method="insert"><blockName>child.block.name</blockName><siblingName>name_of_block</siblingName><after>1</after><alias>child_block_alias</alias></action> </reference>
Breference name="parent.block.name"> <action method="insert"><blockName>child.block.name</blockName><siblingName>name_of_block</siblingName><after>1</after><alias>child_block_alias</alias></action> <action method="unsetChild"><alias>child_block_alias</alias></action> </reference>
Creference name="child.block.name"> <action method="unsetParent"><alias>child_block_alias</alias></action> <action method="insert"><blockName>parent.block.name</blockName><siblingName>name_of_block</siblingName><after>1</after><alias>child_block_alias</alias></action> </reference>
DIt is not possible to edit the order of existing blocks.