Comment #8 on issue 2538 by [email protected]: LilyDev 3 http://code.google.com/p/lilypond/issues/detail?id=2538
The proposal in Comment 6 could work by adding a custom extra repository; that might be judged overkill, but it could help both making newer LilyDev releases and setting up a build environment on top of a stock Ubuntu/Debian/apt-based distro.
