parse all .html as .shtml

I read through the mail archive and have looked through the
docs, but I can't see an easy way to have the server parse
all .html files as if they were .shtml.
Is this possible?
How can I do this?
Is there a good reason not to do this?
Thanks.
Shawn

Received on Monday, 2 June 1997 18:39:01 UTC