For example ... Here, here and here.

Notice how not only does my reply show up in lowercase, but the quoted material is also affected. Smilies, too.

OTOH, I made 30 or 40 other posts yesterday, with and without quotes that were just fine.

I'm still trying to crack the pattern.

Here are some specs, if it helps: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13