(a)
<Address><Name>David</Name><Street>1 Main St</Street><
City>Anywhere</City><State>NY</State><Zip>90210</Zip></Address>

(b)
<Address>
    <Name>
        David
    </Name>
    <Street>
        Main Street
    </Street>
    <City>
        Anywhere
    </City>
    <State>
        NY
    </State>
    <Zip>
        90210
    </Zip><
/Address>

Example 1: (a) XML that conforms to canonical syntax; (b) same string as (a) but more readable.