[glg2] GG2: Character Problems

(1) Google Groups Beta (GG2) web interface adds a greater than sign to
the beginning of lines starting with the word From:

http://groups.google.com/group/google-labs-groups2/browse_frm/thread/c1ff059478bda7e1/c25ab19f32f771b7#c25ab19f32f771b7

(2) GG2 removes right curly bracket } in source code with text "Show
quoted text":

http://groups.google.com/group/google.public.support.general/browse_frm/thread/02722fc15e57926f/6bc2df5461905525#6bc2df5461905525
http://groups.google.com/group/google-labs-groups2/browse_frm/thread/dff59fc9f6bb658a/9072113e7dac9141#9072113e7dac9141