KGK32 wrote
> Suppose that we use this PDF merging code on two PDFs that both contain
> empty signature fields: http://itextpdf.com/examples/iia.php?id=123
> 
> When they get merged, every signature field will be for signing the
> page(s) that used to belong to the initial PDF (not the merged one),
> right?

Wrong. When you sign a PDF, you sign the whole PDF in its current state.

That being said, though, you can set properties to the signature field which
will cause some form fields to be locked after the signature field is signed
while other ones are still editable.

For details cf. http://itextpdf.com/book/digitalsignatures

Regards,   Michael



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