divio/django-cms — pull request #2492 by yakky (2014-01-20 10:30:16+00:00)
Title: Slug uniqueness

In 3.0 *slug* (or rather *path*) **must** be unique even for unpublished pages, as they will be accessed to edit content.
This PR fix this dropping the filter on published pages and (if none) on the current page in `cms.utils.page.is_valid_page_slug`