585c64f282
Staff markup was enabled on all block types in https://github.com/edx/edx-platform/pull/10903 This works well inside the courseware, but it breaks layout of the course about page, which is also an XModule, see: https://github.com/edx/edx-platform/pull/10903#issuecomment-164266342 This commit disables staff markup/staff debug on all blocks except blocks tagged with 'detached'. Detached blocks include course about and info pages, static tabs.