What is XML DTD?

Related questions

1. What opens DTD files?
2. What does DTD stand for in Kra?
3. What is difference between DTD and schema?
4. What does DTD mean on a trust?
5. What is DTD how is it different from XML?
6. Is DTD extensible?
7. What does DTD mean in NBA?
8. What is the difference between XML Schema and XML DTD?
9. What is DTD in banking?
10. What is DTD in pregnancy?

Tags

1. #markup
2. #blocks
3. #document
4. #reference
5. #defines
6. #language
7. #valid
8. #inline
9. #declarations
10. #family
11. #define
12. #building
13. #declared
14. #definition
15. #external
16. #inside