PdfPageLabels.getPageLabels and PdfPageLabels.getPageLabelFormats
I have a program that calls PdfPageLabels.getPageLabels() and
PdfPageLabels.getPageLabelFormats() on the same PdfReader object on
successive lines of my code (ie no intervening operations). I would
have expected the two calls always to return arrays of the same length,
but very rarely this is not the case.
So:- Under what circumstances could the two calls return arrays of