Why is !() need with default template arguments

[Tim Matthews]

On Wed, 20 May 2009 15:01:44 +1200, Jeremie Pelletier <jeremiep at gmail.com>  
wrote:


> I think it is so the parser knows how to make the difference between the  
> template symbol and an instance symbol.
>


Can you explain a bit more on this? function templates dont require this  
by the way and I didn't think a template could ever be 'newed'