# sum-ssi -- summary of SSI - server side include
# $Id$
# Carlos Duarte <cgd@teleweb.pt>, 990621

Descripion
----------

	If server side include is active on a given HTTP server,
	certain special tags are interpreted and replaced on
	the fly.

	Usually, server side included files, have SHTML extension (ex: 
	"index.shtml"). 

TAGS
----

<!--#exec cgi="/cgi-bin/xpto.pl"-->
	the above portion, is completely replace by "xpto.pl" output.
	the cgi=... specifies the web location

<!--#exec cmd="/usr/local/cgi-bin/xpto.pl"-->
	words as cgi=... but the cmd=... specifies the real pathname
	of the file, on the server filesystem

<!--#include file="/url/path/to/file"-->
	replace the tag, by "file" contents
	
<!--#echo var="LAST_MODIFIED"-->
	get itself replaced by the contents of the internal specified var