Reuse 'do' keyword instead of hash sign (#)

[Mark Thornton]

On 20/06/11 16:52, David Goodenough wrote:
> Maybe if you want a keyword, use "lambda".

The introduction of 'assert' caused enough pain and in that case the 
existing uses must surely have been related to assertions. Many existing 
uses of lambda will be unrelated to the replacement use.

Mark Thornton