Nicolas Petton writes: > It's ok to fix them, but I'd like to stay involved at least. Ok, great. I would like to extend seq-min and seq-max to allow (a) arbitrary comparison functions and (b) key functions like in cl, so that you can find e.g. the longest string in a sequence of strings. I miss this functionality, AFAIK cl-lib also can't do it. Like this, maybe?