The following change exist between Mozilla's standards mode and quirks mode: (XXX add links to description)
font-sizebecause that was what Nav4 did, and except for
line-heightand any other properties where they have distinct meaning).
#is not required, and missing digits are filled int differently)
backgroundattribute sets the background URL to empty only in quirks mode.
xx-large) font sizes are calculated slightly differently (see bug 18136).
line-height) calculations are different to fix bug 5821 and bug 24186 (some other issues are described in bug 22274).
HRelement is treated differently in quirks and strict mode (and arguably wrong in both).
absmiddle(handled incorrectly?) and
middle(perhaps incorrectly as well?) are accepted as values of
alignon table cells, and
middleare supported on tables (treated the same as
TFOOTelements have the document background (and color?) applied to them (when the document background is specified in certain ways?) (see also bug 70831 ).
empty-cellsproperty defaults to
hidein quirks mode but
show(according to CSS2 errata) in strict mode (see bug 33244) (though the correct fix would be to specify it on the HTML
rowspan="0"are intentionally not handled as described in HTML4.
vspaceare supported on
TABLEonly in quirks mode.
outset, the border color is based on the background color of the table or of the nearest ancestor with non-transparent background.
BUTTONelement (?) can submit only if it lacks a
SELECTelements are computed differently.
FRAMEare propagated to the contained
0*is treated as
1*(see bug 40383).
FRAMEis handled differently.
(Back to Mozilla Stuff, David Baron)
LDB, firstname.lastname@example.org, 2001-06-06