<?xml version="1.0"?>
<!DOCTYPE customers 
[     
<!ENTITY add1  "15, G Street,  Chennai, india">
<!ENTITY add2  "25, C Street,  Bangalore, india">
]>
<customers>
   <CUSTOMER>
      <NAME> James </NAME>
      <ADDRESS> &add1; </ADDRESS>
      <PHONE>805056</PHONE>
   </CUSTOMER>
   <CUSTOMER>
      <NAME>Jerry </NAME>
      <ADDRESS>&add2;</ADDRESS>
      <PHONE>8904425</PHONE>
   </CUSTOMER>
</customers>