Well, I'm close to admitting defeat I know it doesn't really matter and I shouldn't care and this is probably just projection over other stuff that's bothering me, but, for heaven's sake, the last one had only one scanning line.

Sorry, I exaggerated. Two scanning lines.

Don’t give up, help is near!Here I've found some useful hints regarding Limericks: http://www.limericks.org/pentatette/whatis.htm