Hi,

In message "Re: Local variables & blocks"
    on 03/01/29, Mauricio Fern?ndez <batsman.geo / yahoo.com> writes:

|To summarize:
| '=' refers to variables in the current method / class scope.
| ':=' refers to local vars
| block arguments are assigned with ':='
| in case of shadowing a warning is issued.

I may drop ':=' part, i.e. 

  * block parameters are local to the block
  * shadowing cause warnings
  * no other way to make block local variables

							matz.