This test will use both highlander grouping and cookies. The end result should be that every time a visitor returns to the page, the existing expand/collapse state is recalled.
[expand title="Monkey" rel="animal-highlander" cookiename="monkey"]Target Content[/expand]
[expand title="Donkey" rel="animal-highlander" cookiename="donkey"]Target Content[/expand]
[expand title="Sasquatch" rel="animal-highlander" cookiename="sasquatch"]Target Content[/expand]
Monkey
Target Content
Donkey
Target Content
Sasquatch
Target Content