50%	unspecified cs2
80% cs2		unspecified

Possible cases

uns cs2		70% cs3			uns cs2
uns	10% cs2		uns	10% cs2		uns
uns	80% cs5					uns

90% cs2		unspecified
unspecified	90% cs2

80% cs2		unspecified
unspecified	80% cs2

70% cs2		unspecified
unspecified	70% cs2

60% cs2		unspecified
unspecified	60% cs2

Impossible cases

40% cs2		unspecified
unspecified	40% cs2

30% cs2		unspecified
unspecified	30% cs2

40%

40%

40%

40%

40%

60%	uns
80%	uns

150%

150%

150%	unspecified

150% cs2		unspecified
unspecified	150% cs2

30% cs2		90%
80%	30% cs2

Netscape 3 and 4 treat "width=100%" as an idiom meaning "use the whole rest of the galley width". Pages have been seen in TRW which rely on this :-(