Not sure which package does this, so starting with xubuntu-default- settings as a vague guess.
** Package changed: xubuntu-docs (Ubuntu) => xubuntu-default-settings (Ubuntu) -- [Xubuntu] yelp can not find ghelp:about-ubuntu https://bugs.launchpad.net/bugs/253416 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
