Initially insert thumbnails rather than TOC, otherwise the thumbnails may never show up due to some mysterious AppKit bug.
Initially insert thumbnails rather than TOC, otherwise the thumbnails may never show up due to some mysterious AppKit bug.

git-svn-id: 765db44a9620ed55f4f8addfd3c14fe8cd57f6bb@3237 0fceea05-a30d-0410-8a8b-80ef821fb0a1

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