8.4 XML Requirements

• XML assumes support for at least UTF-8 and UTF-16
• XML allows for all Unicode characters, excluding the surrogate blocks and BOM signs
• The encoding in use within an XML file should be stated in the leading xml processing instruction.

  <?xml version="1.0" encoding="UTF-8"?>   <!DOCTYPE resolve SYSTEM "resolve.dtd" >   <resolve/>

Character Model for the World Wide | Unicode in XML and other Markup Languages