A third solution would be to have servers which *do* contain all the
glyph images in bitmap form (or be able to generate them), and for the
client to be configured to fetch them. The say idea could be applied
to speech synthesis systems as well. Some people will be thinking
"Blech. Too slow", but there are already a lot of GIF-studded pages
out there, so people probably understand caching benefits...
A fourth solution, is to do something like:
[Japanese: Chikatetsu ha kowai]
etc. etc.
The point is, these are display issues, which are somewhat outside the
realm of the HTML working group. Again, ISO 10646 represents a finite
set of problems, all solvable.