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All the Perl that's Practical to Extract and Report

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  • Adobe is certainly not holding the keys tightly. The PDF specification has been wide open almost since the beginning. The problem is more that it's a huge specification and it takes a lot of work to get it right.

    I'm the author of CAM::PDF, an open-source library for PDF manipulation. It's a pretty big library, but I only support the very basics of the PDF features. And I'd probably find that I averaged less than minimum wage if I divided the dollars earned on this product by the huge number of hours I've spent working on it.

    • From what I understand [], you must obtain a cryptographic key from an Adobe product to add to the PDF to enable commenting in Adobe Reader. I know the spec is HUGE (I had entertained crazy notions of implementing it but now I know why you need a large team of people to do so). Of course, I very much appreciate everyone's efforts (including your's) to make PDFs available on Linux.

      • Oh, you're right. Weird, I didn't know that Adobe restricted adding annotations. I usually use Apple's bundled for annotating PDFs, so I'd never noticed.

        I had misunderstood your comment about keys to mean that you needed a key to create a PDF application. Apologies for reading too fast.