Question

How you can handle the user input with the help of xml validation?

Answer 1

xml validation is the process of checking a document written in xml (extensible markup language ) to conform that it is both well-formed and also "valid" in that it follows a defined structure. a well-formed document follows the basic syntactic rules of xml, which are the same for all xml documents . (1)
a valid document also respect the rules dictated by a particular dtd or xml schema. (2)

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