>>So, it's possible to reduce series of spaces (or any other characters) down to 1 with a fixed number of STRTRAN() calls:
>>
>>- up to and including 4,096 spaces with 7 STRTRAN() calls
>>- up to and including 1,048,576 spaces with 9 STRTRAN() calls
>
>I've always done this by
>
>do while "{2**n spaces}"$string
> string=strtran(...)
>enddo
>
>But now... if the limit to reduce() is 64K, I'd chop the string into pieces smaller than that, and reassemble the results. Should be faster than going it all in Fox.

I just ran some tests with 64K spaces:

Spaces: 2^16  Passes: 1000  Milliseconds: 4507  (REDUCE in FoxTools.FLL)   
Spaces: 2^16  Passes: 1000  Milliseconds: 1352  (Reduce_Successive)  
Spaces: 2^16  Passes: 1000  Milliseconds: 16634  (Reduce_Loop)