A program I have (pronto mailer) uses HTML::Parser and some other tricks, including some weird gtk library to display HTML as a help file without a web server.

But web servers come pretty small and cheap thesedays. It wouldn't be asking to much to demand that your users be running one to use your program. Most linuxes install Apache by default anyway. (I know, that's not small)

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Jeremy
I didn't believe in evil until I dated it.