Add missing doc string for new File:Copy command.
Add missing doc string for new File:Copy command.
matthiaskr/zed,AaronZhangL/zed,matejc/zed,TheKiteEatingTree/zed,matthiaskr/zed,LuoZijun/zed,matejc/zed,zedapp/zed,XenonApp/xenon,LuoZijun/zed,AaronZhangL/zed,zedapp/zed,zedapp/zed,TheKiteEatingTree/zed,XenonApp/xenon,LuoZijun/zed,matejc/zed,TheKiteEatingTree/zed,matthiaskr/zed,AaronZhangL/zed