id	summary	reporter	owner	description	type	status	priority	milestone	version	resolution	keywords	cc
5	Print an error message when given -optghc  instead of --optghc	waern		Since the flag --optghc is so similar to GHC's -optghc, and -optghc is interpreted as the -o flag with an argument (making Haddock silently accept it), it would good to give a warning message in this particular case to avoid mistakes.	enhancement	new	trivial