The new elwraptag and elwrapclass attributes:
[expand title="trigger test" elwraptag="div" elwrapclass="classy"]target content[/expand]
This is the first element wrapped in a div
content to cause wonder and amazement.
This is the second element wrapped in a classy div
content to cause wonder and amazement.
This is the third element not wrapped
content to cause wonder and amazement.