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Topic: What are the xref tables ????
Conf: (P-PDF) Developers, Msg: 37534
From: aandi
Date: 3/28/2002 07:35 PM

I use Visual Studio, personally, opening in Binary mode. This shows data in ASCII and hex, with hex offsets. Checking is a manual process, involving also keeping the Windows calculator open for hex to decimal conversions.

However, I often say that if someone wants to be able to write correct PDF, the best thing to do first is to write a PDF consumer. Something to read a file, scan the linked xref tables, and read each object. Stop there - just print each object's header to stdout.

If this sounds too difficult, I have to give some harsh advice - if this form of reading is too difficult, then writing a correct PDF is also going to be very difficult.