Assertion:
It seems that ALL browsers have problems with roman numeral lists.
The two big problems are list marker rendering and numbers greater than 3999
(roman numeral counting changes at 4000 from the normal pattern.)
DIR list with START=3995 and TYPE=I (Capital Roman Numerals):
filler text
LI item 3995
LI item 3996
LI item 3997
LI item 3998
LI item 3999
LI item 4000
LI item 4001
LI item 4002
LI item 4003
LI item 4004
LI item 4005
filler text
DIR list with START=3995 and TYPE=i (Lowercase Roman Numerals):
filler text
LI item 3995
LI item 3996
LI item 3997
LI item 3998
LI item 3999
LI item 4000
LI item 4001
LI item 4002
LI item 4003
LI item 4004
LI item 4005
filler text
DIR list with START=3995 and TYPE=I (Capital Roman Numerals):
[150px Left-padding added to show list markers if not visible in previous example]
filler text
LI item 3995
LI item 3996
LI item 3997
LI item 3998
LI item 3999
LI item 4000
LI item 4001
LI item 4002
LI item 4003
LI item 4004
LI item 4005
filler text
DIR list with START=4800 and TYPE=i (Lowercase Roman Numerals):
filler text
LI item 4800
LI item 4801
LI item 4802
filler text