[development] The new menu system

[Steven Wittens]

>
> Yes. 3^n possibiltiies instead of 2^n is a horrible cost. And also,  
> we are matching in the database not with sprintf. Argument type is  
> not to be solved IMNSHO on this level.
>
> Regarding *, I think some modules already use that, namely views.  
> There won't be too much escaping. You will never ever emit a path  
> like node/%/foo , that's an internal id.

Have you considered using %s and %d, but considering them equivalent  
for the lookup process?

e.g. I could not define node/%s/edit and node/%d/edit, but if I  
define the second one, the argument gets cast to integer when passed in.

Steven