I know what “whistling past the graveyard” means, just not what it means here

(submitted by B.A.)

(Presumably there’s a way to put only a part of a line in color — which is standard and simple in every computer text editor I’ve used since the 1970s — but I’ve yet to find it; WordPress is making this intentionally infuriating. If they want to drive me away, why don’t they just take the direct approach and nuke the whole site?)