potential speed improvement for repeated string concatenation

[0ffh]

downs wrote:
> [...]
> To my surprise, this more than doubled the speed of that code. So if you 
> have some block of code that does lots of repeated string concats, you 
> might want to give this a try.

I suppose what you're effectively doing is avoid memory reallocation,
which is rather expensive, and therefore a good thing to avoid... :)

Regards, Frank