XML Processing
Processing instructions are used to pass parameters to an application. These parameters tell the application how to process the XML document. Syntax
<?target instructions?>
<?xml-stylesheet href="tutorialandexample.xsl" type="text/xsl">Processing instruction begin with <? And end with?>. Here, the target is xml-stylesheet. href="tutorialandexample.xsl" and type="text/xsl" are data or instruction that the target application will use at the time of processing the given XML document.