How not to merge documents

This is an example that is used by many people, but it is completely wrong: one should not use PdfWriter to merge documents. Use PdfCopy or PdfSmartCopy instead.

incorrectexample

##GITHUB:https://github.com/itext/i7js-examples/blob/develop/src/main/java/com/itextpdf/samples/sandbox/merge/IncorrectExample.java##