libreadline-ruby1.8 was installed, but not libreadline-ruby. Installing that package had no effect. There was another bug on ruby saying it had been compiled without readline, but I can't find it now.
** Summary changed: - Dependency-problem in IRC (help missing) + Dependency-problem in IRB (help missing) -- Dependency-problem in IRB (help missing) https://launchpad.net/bugs/56074 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs