Tim Attwood wrote:

> #macro resize_array(ar)
 >   ...
>   #declare ar = new_ar;
> #end
 >
 > resize_array(MyArray)

Interesting. I didn't know macro parameters got by-reference
semantics when an identifier was passed instead of an RVALUE.
I think I'd prefer to assign the value using #local, though,
to make it clear no global variable "ar" is involved.

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