Here's how this question (corrected in the mean-time, so check the first revision) renders in Google Chrome (18.0.1025.168 m). The text isn't wrapped (or hidden) correctly:
And here's the same question in Firefox (12.0). The text seems to be wrapped:
I didn't check if this also happens for "more sensible" text. It seems to have been fixed before for weird blocks of text, as can be seen here:
Maybe the above fix just doesn't work with crazy unicode characters... Anyway, I guess it's a rather minor thing...