Yep, that's the one. It depends on how many curveballs you're throwing at the user. I'm working on a monospace library that looks wide at 48 characters per line

Yep, that's the one. It depends on how many curveballs you're throwing at the user. I'm working on a monospace library that looks wide at 48 characters per line. That's what the inverted text is here, a curveball. It's not the problem itself but it is asking more of the user every line. Just eyeballing it, .blog-entry looks correct, at least text measure wise, with a max-width of 500px.