On tis, 2011-06-14 at 15:38 +0200, Florian Pflug wrote:
> BTW, there's actually precedent for a commutator of "~", namely
> "@". Some of the geometric types (polygon, box, circle, point,
> path) use "~" as a commutator for "@" (which stands for "contains").
I wouldn't have a problem with naming the reverse operator "@".
