@LuisMendo it was definitely meant ironically, but perhaps I should indeed take people who have strong opinions on this in account.

@LuisMendo The source alphabet contains these characters too, which is specified, hence base-97 over base-95.

@LuisMendo Yes perhaps that meme has had its run. I'll think of something, the minimum recommended sandbox time is 72h anyway

Commited:

* Circular convolution (cconv) implemented as Z+ with 3 inputs; including Octave compatibility

* Zc with a single, non-cell input replaces nonzeros by 35 (ASCII for '#') and converts to char

* Octave compatibility: Zd (gcd) and Zm (lcm) now allow char inputs