Extract navigation state out of SSML <marker>s.
BUG: incorrect counter resets.
Stylesheet updates for details, taking advantage of pseudoclasses, and attempted counters fix.
Fix markers misserialization.
Ensure marker counters are incremented.
Propagate local attrs through to output.
Read <progress> as a percentage, that's more international.
eSpeak can trivially localize this to it's various locales.
Extend MIMEtype dispatch to support alternative stylesheets.
Useragent CSS: Add localizations!
Useragent CSS: Properly count table cells, adjust image labelling.
Ensure ordered list item counters are whitespace seperated.
Reduce stepsize for inner lists.
Insert markers into output SSML for navigation.
Save feedback regarding form design.
Catch more cases of consecutive breaks.
Collapse consecutive breaks again.
FIXME: Collapse when one <break> is inside another tag.
Implement :target pseudoclass.
Defaults to <main> to further avoid excess clutter from pages.
Implement new -rhaps-marker property for controlling user interaction.