How do you do anchoring in a forum topic?

[CreepyCactus]

What do you write for anchoring. Can't seem to find how to do it.

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[Doomonkey]

[anchor=blah]Hi[/anchor]

[iurl=#Blah]Blah[/iurl]


Hi

Blah

[Doomonkey]

Noedit: It might be caps sensitive so I might have screwed that up.

[CreepyCactus]

[anchor=blah]Hi[/anchor]

[iurl=#Blah]Blah[/iurl]


Hi

Blah

Thanks alot.