Considering that the styling of the richtext editing is probably being done with CSS it makes sense that CSS errors would cause havok. Misspellings in the CSS probably doesn’t help either… 🙂
In a VM I just rechecked all the previous versions leading to Firefox 1.5 (RC3, RC2, RC1, B2, B1) without any success. I guess I’ll have to downgrade to 1.0.7 to use Domino Web Access in Firefox.
Bummer – now I know what to ask Santa for Christmas… 🙂