Sorry I made a mistake in setting up my test environment. There is nothing that needs fixing in compiz-core. I can confirm that simply changing the Initiate callbacks in unityshell.cpp to return true will prevent the Alt+Fn key codes from reaching the active window.
Sorry I made a mistake in setting up my test environment. There is nothing that needs fixing in compiz-core. I can confirm that simply changing the Initiate callbacks in unityshell.cpp to return true will prevent the Alt+Fn key codes from reaching the active window.
I was right in comment #3.