The following areas are the subject of active development
within the Web community.
Limited support is available within LATEX2HTML for some of these features,
using the -html_version 4.0 command-line switch.
style-sheets:
proposals
for a flexible mechanism to allow cascading (CSS) and DSSSL,
within HTML 4.0.
Alternative sets of icons for navigation buttons
and other purposes.
For some background on these technologies read
Michel Goossens' survey article ``Hyper-activity in the Web-world''
in CERN Computer NewsletterNo. 227,
and browse Axel Ramge's
site
for ideas on how they could be used with LATEX2HTML.