What is the XML prolog?

What is the XML prolog?

 IN XML their is no mandatory to use prolog it is optional.But if we want to use than it comes before the root element in XML.prolog has two parts these are,

1.XML Declaration

2.Document Type Declaration

 We can use both parts at same time,alone or not mandatory to use. 


Date:2014-01-09 00:00:00

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