..I either reboot my machine, or log off and back on under the same user-name. I'm the only one who uses my computer, so there are no other accounts on it besides root.
Simply quitting and restarting Geany, which should work, doesn't, full stop.
Steve Wright / //Dell Inspiron 1720 2GB physical RAM // //Linux Mint 18 Sarah KDE 5.4.4 (and not all of that, I just found out.)/