Some would argue that X is an ad-hoc, informally-specified, bug ridden, slow implementation of half a window system. The specifications are pretty clear, even i

Some would argue that X is an ad-hoc, informally-specified, bug ridden, slow implementation of half a window system. The specifications are pretty clear, even if some are honoured more in the breach than in the observance, but otherwise they'd be right. ("This is not a bug; this is a design decision.")