It's really a matter of your intended audience. Who do you want
to be able to make use of your work?
We try to make sure things are viewable/readable when used with
Netscape/Mosaic on each of X Windows, MS Windows, Mac; plus text
browsers such as Lynx. Each of these environments has it's silly
quirks but it's not all that hard.
An aquaintance recently had an emergency situation where she
had to rework her html pages to avoid tickling a Windows Mosaic
bug. She'd been using Mosaic under X but the people who funded
her project were using Windows.
This doesn't help much but that's the situation today. Not
all browsers support blinking text and tables.
-reed
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University of Tennessee, Knoxville Dept of Computer Science
Netlib Development Group 'I was kidding,' says bomb suspect
wade@cs.utk.edu -- <URL:http://www.netlib.org/utk/people/ReedWade.html>