I apologize. I have used the proposed repo to enable the fltk backend in octave 3.2 (see Bug #546671). I think the error was caused by the inconsistency of the proposed vs main repos.
Bug can be closed now. ** Changed in: octave3.2 (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/732331 Title: can not install octave3.2-headers on Lucid 10.04.2 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs