Revision as of 22:55, 20 June 2005 edit Mjb (talk \| contribs) Extended confirmed users 10,716 edits minor additions to intro, to make a better summary ← Previous edit		Revision as of 22:56, 20 June 2005 edit undo Mjb (talk \| contribs) Extended confirmed users 10,716 edits m →Restrictions: wiki linking Next edit →
Line 37: == Restrictions == ~~[[ISO 10646]] (the~~The Universal Character Set) defined by ISO 10646 is the "document character set" of SGML, HTML 4, so by default, any character in such a document, and any character ''referenced'' in such a document, must be in the UCS. While the syntax of SGML does not prohibit unassigned code points such as &#xFFFF; from being referenced, SGML-derived markup languages such as HTML and XML can, and often do, restrict numeric character references to reference only those code points that have not been assigned to characters (rather, code points not permanently unassigned).

Numeric character reference: Difference between revisions