It looks like double superscripts/subscripts do not work. For example,
<sub>1<sub>2<sub>3</sub></sub></sub>
should generate a subscript 1 with a subscript 2 with a subscript 3
give the stylesheet
entry:
sub { vertical-align: sub; }
Basically, baseline is calculated relative to the "parent" inline box.
Attached is an HTML file that demonstrates the "correct" behavior.
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Alex Milowski FAX: (707) 598-7649
alex at milowski.com
"The excellence of grammar as a guide is proportional to the paucity of
the
inflexions, i.e. to the degree of analysis effected by the language
considered."
Bertrand Russell in a footnote of Principles of Mathematics
