A processing instruction is a construct in a markup language with unique delimiters. It may trigger special processing such as the inclusion of a file, the execution of a script, or the application of a stylesheet.
A processing instruction is a construct in a markup language with unique delimiters. It may trigger special processing such as the inclusion of a file, the execution of a script, or the application of a stylesheet.
In XML, the start and end delimiters are <? and ?>.
Example: <?xml-stylesheet type="text/xsl" href="style.xsl"?>
 
     
     
     
     
     
     
     
     
     
     
    