Jan-Erik R. schrieb:
> should be, because it's documented. Not in the code-example but in the 
> text:
>   In order to set the context, the variable self is set to obj while the
>   code is executing, giving the code access to obj¡Æs instance variables.
> 
oh...sorry. I missunderstood the documentation. Instead of using a 
block-parameter you can use "self" directly.