+ root.set('customizations', u','.join(customizations))
+
+ # add editors info
+ root.set('editors', u', '.join(sorted(
+ editor.readable() for editor in document.editors())))
+ if document.book_info.funders:
+ root.set('funders', u', '.join(document.book_info.funders))
+ if document.book_info.thanks:
+ root.set('thanks', document.book_info.thanks)