- An element name can contain any alphanumeric characters. Allowed

symbols

in names are the hyphen

-

, under-score

_

, period

.

and digits

0-9

- Names are

case sensitive

, Address, address, and ADDRESS are different names. - Start and end tags of an element must be

the same

. - An element, which is a container, can contain

text

or

elements

<?xml version="1.0" encoding="UTF-8"?>
<student>
   <first-name>George</first-name>
   <phone.mobile>(011) 123-4567</phone.mobile>
   <native_language>English</native_language>
   <city />
</student>

Note: XML element name must not start with

.

,

-

,

digit