PPA for Geany Developers : “Geany Developers” teamUnofficial builds of the Geany editor, plugins, and tools. Adding this PPA to your system You can update your system with unsupported packages from this untrusted PPA by adding ppa:geany-dev/ppa to your system's Software Sources. (Read about installing) sudo add-apt-repository ppa:geany-dev/ppa sudo apt update
