don't cut off margin when the foreground reaches up to the margin
don't cut off margin when the foreground reaches up to the margin

git-svn-id: 765db44a9620ed55f4f8addfd3c14fe8cd57f6bb@5111 0fceea05-a30d-0410-8a8b-80ef821fb0a1

nanoant/Skim,nanoant/Skim,nanoant/Skim,nanoant/Skim,nanoant/Skim