The promote label feature seems to have been affected by re-enabling the LinkSummary hooks
( secondary issue )
How to reproduce the secondary issue:
- Create an edit on a page, go to the Jade page of this new edit and add the first proposal as an anonymous user.
- The preferred label for the first proposal will be shown in the jade_diff_label table.
- Then create a second proposal as a logged in user, and try to promote the second label. You will get a server error: 'http'