In this exercise, you will write a DTD for the business letter shown below. You will then mark up the business letter as a valid XML document according to your DTD. Make sure that the XML file contains a DOCTYPE declaration.
Both documents should be saved in the DTDs/Exercises folder. To test whether the XML file is valid, visit www.xmlvalidation.com/ and upload your XML document and DTD.
November 29, 2011 Joshua Lockwood Lockwood & Lockwood 291 Broadway Ave. New York, NY 10007 United States Dear Mr. Lockwood: Along with this letter, I have enclosed the following items: - two original, execution copies of the Webucator Master Services Agreement - two original, execution copies of the Webucator Premier Support for Developers Services Description between Lockwood & Lockwood and Webucator, Inc. Please sign and return all four original, execution copies to me at your earliest convenience. Upon receipt of the executed copies, we will immediately return a fully executed, original copy of both agreements to you. Please send all four original, execution copies to my attention as follows: Webucator, Inc. 4933 Jamesville Rd. Jamesville, NY 13078 USA Attn: Bill Smith If you have any questions, feel free to call me at 800-555-1000 x123 or e-mail me at email@example.com. Best regards, Bill Smith VP, Operations