- fix interface item folding/unfolding again (still does not work, more   investigation required)
- fix interface item folding/unfolding again (still does not work, more
  investigation required)


git-svn-id: 80d932a80928324f4d3d71af042e652e41ead033@1505 a8418922-720d-0410-834f-a69b97ada669

amolenaar/gaphor,amolenaar/gaphor