Separate method to update page labels, page column widths, and the outline. This is also called when a document is unlocked, as not enough was updated in that case. Make sure the page labels are not nil to avoid a crash when loading an encrypted document.
Separate method to update page labels, page column widths, and the outline. This is also called when a document is unlocked, as not enough was updated in that case. Make sure the page labels are not nil to avoid a crash when loading an encrypted document.

git-svn-id: cb3fc60f0f557b927b8032d8a94e869b6f9f230b@2829 0fceea05-a30d-0410-8a8b-80ef821fb0a1

camillobruni/skim,camillobruni/skim,camillobruni/skim,jasongrout/skim,camillobruni/skim,jasongrout/skim