to a previous line does not let caret
update position
Modified RemoveFrame() so that it generates a reflow
command when removing a <br> from an inline with a next-in-flow.
r=dbaron@fas.harvard.edu sr=attinasi@netscape.com a=scc@mozilla.org
git-svn-id: svn://10.0.0.236/trunk@116937 18797224-902f-48f8-a5cc-f745e15eee43