I think the solution requested in #1898 is a better way than running the entire Geany process at elevated priorities.
For once I agree with something Emmanuele Bassi says: "there are no *real*, substantiated, technological reasons why anybody should run a GUI application as root. By running GUI applications as an admin user you're literally running millions of lines of code that have not been audited properly to run under elevated privileges; you're also running code that will touch files inside your $HOME and may change their ownership on the file system; connect, via IPC, to even more running code, etc. You're opening up a massive, gaping security hole [...]."