for in D versus C and C++

[Robert Fraser]

Sean Kelly wrote:
> The best I've come up with so far for parsing
> that stuff is to have the lexer actually return tokens representing whitespace
> in some instances.  It's totally ridiculous.

The Descent port of the DMDFE lexer does this for formatting source 
code. It's a neat trick for formatting, but shouldn't be necessary for 
compilation.

Also, was there ever a consensus on whether whitespace has meaning in XML?