[plt-scheme] boolean operators on integers

Matthias wrote:

> Can you explain why you think 0 and 1 should have anything to do with  
> true and false? (I am afraid that it somehow slipped into a document  
> that may confuse our users and we need to clarify this. -- In  
> centuries past, around 1738, people thought that 0 stood for #f and  
> that 1 stood for #t. But this pun hasn't been useful to real  
> programmer since then so I don't know where one would fine this idea,  
> except in history books.)

The C programming language...? --PR