XML references allow us to have symbols in XML text, that are not allowed to be included directly. References begin with the symbol

&

which is a reserved character and end with the symbol

;

XML has two types of references: ... 1.

Entity Reference

− which contains a name between the start and the end delimiters. For example

&

where amp is name. The name refers to

&

symbol. ... 2.

Character Reference

− contains reference, such as

A

contains a hash mark

#

followed by a number. The number refers to the Unicode code of a character. In this case, 65 refers to alphabet

A