"HTML 4.0 Specification", D. Raggett, A. Le Hors, I. Jacobs, 8
July 1997. Available at
http://www.w3.org/TR/REC-html40/. The Recommendation defines three
document type definitions: Strict, Transitional, and Frameset, all
reachable from the Recommendation.
ISO 8879:1986
"Information Processing -- Text and Office Systems -- Standard
Generalized Markup Language (SGML)", ISO 8879:1986.
For the list of SGML entities, consult ftp://ftp.ifi.uio.no/pub/SGML/ENTITIES/.
"Information Technology - Universal Multiple- Octet Coded
Character Set (UCS) - Part 1: Architecture and Basic Multilingual
Plane", ISO/IEC 10646-1:1993. The current specification also takes
into consideration the first five amendments to ISO/IEC 10646-1:1993.
Useful roadmap of the BMP
and roadmap of plane 1 documents show which scripts sit at which numeric ranges.
"Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies", N. Freed and N. Borenstein, November 1996.
Available at ftp://ftp.internic.net/rfc/rfc2045.txt. Note that this RFC
obsoletes RFC1521, RFC1522, and RFC1590.
"HTTP Version 1.1 ", R. Fielding, J. Gettys, J. Mogul, H.
Frystyk Nielsen, and T. Berners-Lee, January 1997.
Available at
ftp://ftp.internic.net/rfc/rfc2068.txt.
"Internationalization of the HyperText Markup Language", F. Yergeau, G. Nicol, G. Adams, and M. Dürst, January 1997.
Available at ftp://ds.internic.net/rfc/rfc2070.txt.
"Extensible Markup Language (XML) 1.0"
T. Bray, J. Paoli, C.M. Sperberg-McQueen, editors, 10 February 1998.
Available at
http://www.w3.org/TR/REC-xml/.
"Universal Resource Identifiers in WWW: A Unifying Syntax for the
Expression of Names and Addresses of Objects on the Network as used in
the World-Wide Web", T. Berners-Lee, June 1994.
Available at ftp://ftp.internic.net/rfc/rfc1630.txt.