Arrrrrrrrrrrrrrrgh!
While the !Extra! Firefox extension is extremely useful, one has to be careful which code they pick. With HTML, XHMTL and BBCODE choices, it is a useful app. But one must be careful which codec they click on. And then carefully proofread the window before uploading. Since there's no preview for Firefox, upon your own head it be to actually think.
There
Ain't
No
Such
Thing
As
A
Free
Lunch