It's in the manual page: the zero-coordinates produce a window as large as the screen, and mvwin will not move it off the screen.
** Changed in: ncurses (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/1783162 Title: mvwin doesn't work if window is created with zero coordinates. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ncurses/+bug/1783162/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs