caret to next line Prevent AdjustSelection() from adding a MozBR when the root node is empty so that EditAfterInner() can add the BogusBR node. r=jfrancis@netscape.com sr=sfraser@netscape.com a=scc@mozilla.org git-svn-id: svn://10.0.0.236/trunk@116938 18797224-902f-48f8-a5cc-f745e15eee43