How does XML parser work?

Related questions

1. What are XML schemas how are they better than DTDs?
2. What is an XML message?
3. What are the two types of XML parsers?
4. What is the point of XML?
5. What are the XML elements?
6. What is XML and why is it important?
7. Can XML preserve white spaces?
8. What can I use XML for?
9. What is XML encoding?
10. What is XML word?

Tags

1. #software
2. #documents
3. #checks
4. #package
5. #readable
6. #client
7. #applications
8. #interface
9. #library
10. #transform
11. #proper
12. #parser
13. #parsers
14. #format
15. #provides
16. #document
17. #validate