Processing instructions are used to pass parameters to an application. These parameters tell the application how to process the XML document.
Syntax
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<?target instructions?> |
Here,
target– It identifies the application to which the instruction is directed.
instruction– It is a character that describes the information for the application to process.
Example
The following processing instruction tell the application that it should transform the XML document using XSL stylesheet tutorialandexample.xsl
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<?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.