1. CIS 1315 – Web Development for Educators CIS 1315 HTML Tutorial 9: Working With XHTML

2. CIS 1315 – Web Development for Educators Document Type Definition (DTD)  Content & Structure Rules Transitional Supports: Presentational Features of HTML Deprecated Elements Deprecated Attributes Strict No Support For: Presentational Features of HTML Deprecated Elements Deprecated Attributes Frames

3. CIS 1315 – Web Development for Educators Well-formed Documents

4. CIS 1315 – Web Development for Educators Well-formed Documents

5. CIS 1315 – Web Development for Educators Well-formed Documents  Prohibited Attributes

6. CIS 1315 – Web Development for Educators Well-formed Documents  Required Attributes

7. CIS 1315 – Web Development for Educators Well-formed Documents  Use Correct Structure XHTML html head title body

8. CIS 1315 – Web Development for Educators <?xml>  Indicates Document Adheres to XML Attributes version=“value” encoding=“type” Indicates Character Set standalone=“yes | no” DTD Within Document

9. CIS 1315 – Web Development for Educators <!DOCTYPE>  Indicates what DTD is Associated with Document XHTML Transitional XHTML Strict

10. CIS 1315 – Web Development for Educators Namespace Attribute  Attribute of  Unique Identifier of a Particular Document Type XHTML

11. CIS 1315 – Web Development for Educators Validation  http://validator.w3.org Indicates Whether Page is XHTML Valid  http://jigsaw.w3.org/css-validator/ Indicates Whether Page is CSS Valid