@ddstreet Thank for the explanation. (Myself, I don't know why the keyboard behaves this way; I can imagine any option, e.g., a glitch of the keyboard firmware or hardware, an unintended bug introduced by the developers of the manufacturer, a cost-reducing design of the manufacturer, or an politically intentional (against the standard!) design of the manufacturer.) As for the zoom in/out, I meant this:
https://support.mozilla.org/en-US/kb/font-size-and-zoom-increase-size- of-web-pages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1890186 Title: Failed to call EVIOCSKEYCODE with scan code 0xc022d, and key code 103: Invalid argument To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1890186/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs