Hello Su Ok, that's clear, but where we can found this error ? In chapter 10 line 523 of what?
-- In chapter 10 line 523,there is a mistake https://bugs.launchpad.net/bugs/500149 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