%html-sysid%
Name
%html-sysid% -- What system ID are you declaring your HTML compliant with?
Description
The system ID used in output HTML files. If #f, then no system ID
is produced. If both this and %html-pubid% are #f, then no
doctype declaration is produced.
Source Code
(define %html-sysid%
;; What system ID are you declaring your HTML compliant with?
(if %html40%
"http://www.w3.org/TR/html4/loose.dtd"
#f))