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					1063e5d0e4abda89934b664a71737a32e278b4e3
				
			
			
		
	imsg closes the fd after sending, so dup() STDIN_FILENO before passing it to the parent, otherwise TIOCGWINSZ will fail when the window is resized (that could actually be moved into the server but this is more future-proof and avoids breaking the protocol).
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