They are a little verbose, though it is likely not to cause problems here. I suppose that it may slow things down a very tiny bit. The author could possibly hav

They are a little verbose, though it is likely not to cause problems here. I suppose that it may slow things down a very tiny bit. The author could possibly have been trying to future-proof it with a bit more verbosity in the face of allowing for other keys (execute-mode, execute-permissions) etc.