mainline r4948 refers to the revision number of the code in which this was fixed. If you're a member of the "beta-testers" group you're redirected to the "edge" version of launchpad, and that tells you what revision number you're running at any given time at the bottom right of every page.
mainline r4948 refers to the revision number of the code in which this was fixed. If you're a member of the "beta-testers" group you're redirected to the "edge" version of launchpad, and that tells you what revision number you're running at any given time at the bottom right of every page.