Comments

It is possible to add a comment to an XML document. A comment is never considered part of the document text, so would not appear in published output. A comment may be inserted by a document author or editor to mark text that needs further treatment.

A comment declaration is used to create a comment. The keyword '--' identifies a comment declaration. For backward compatibility with SGML, the declaration must also end with the same two characters, and two adjacent hyphens must not appear within the comment text:

					<!-- This is a comment -->

<!-- This is an --
					ILLEGAL
					-- comment -->

SGML Note

A markup declaration that contains a comment ...

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