
*** ./test.sh ***
command:<date +'%H %Z' --date='20140922 0700'>	retval:<1>	buf:<07 CEST>	#1 the first call works allways
command:<date +'%H %Z' --date='20140922 0700'>	retval:<0>	buf:<>	#2 same as 1, will not work
command:<date +'%H %Z' --date='20140922 0700'>	retval:<0>	buf:<>	#3 same as 1, will not work

*** ./test.sh ***
command:<date +'%H %Z' --date='20140922 0700'>	retval:<1>	buf:<07 CEST>	#1 the first call works allways
command:<date +'%H,%Z' --date='20140922 0700'>	retval:<1>	buf:<07,CEST>	#2 blank in format string replaced by comma, will work
command:<date +'%H %Z' --date='20140922 0700'>	retval:<0>	buf:<>	#3 same as 1, will not work (would olso not work, if same as 2)

*** ./test.sh ***
command:<date +'%H %Z' --date='20140922 0700'>	retval:<1>	buf:<07 CEST>	#1 the first call works allways
command:<date +'%H,%Z' --date='20140922 0700'>	retval:<1>	buf:<07,CEST>	#2 blank in format string replaced by comma, will work
command:<date +'%H %Z' --date='20140922 0701'>	retval:<1>	buf:<07 CEST>	#3 minutes changed, will work
