4.8 Processing Instructions

Processing instructions are notes for programs:
- <?target ...data...?>
The leading processing instruction
- <?xml version="1.0" encoding="UTF-8"?>
is for the parser, not the application.
Processing instructions can be accessed by the method
- processingInstruction(String target, String data)
of the ContentHandler interface.

class MyContentHandler extends DefaultHandler {
   public void processingInstruction(String target, String fileName) {
     if( target.equals("cfg") ){
        try{
           FileReader in  = new FileReader( fileName );
        } catch(Exception e){
             System.out.println( "can't open " + fileName );
} } }  }

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