semantic of keyword "macro"

[Bill Baxter]

Wilhelm wrote:
> Hello,
> 
> I've  found the keyword "marco" in the keywordlist.
> Is somebody able to explain the semantics and usage of 'marco'

Whenever the compiler encounters the 'marco' keyword, it is required to 
respond immediately by printing the word "polo" to the console.

--bb

[it's a joke :-) -- http://en.wikipedia.org/wiki/Marco_Polo_%28game%29
Used to play that all the time in the summers.]