The nnnn or hhhh may be any number of digits and may include leading zeros. The x must be lowercase in XML documents.
Where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form. A numeric character reference refers to a character by its Universal Character Set/ Unicode code point, and a character entity reference refers to a character by a predefined name.Ī numeric character reference uses the format HTML and XML provide ways to reference Unicode characters when the characters themselves either cannot or should not be used.
