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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'v

    • 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.

  • In my experience at least, the most important thing would be to get JSTOR, Sage, Oxbridge Journals etc. supplying journal articles in something other than PDF, as our departments didn't actually produce digital material themselves. How you'd even start to move publishers like that though, I don't know.

    "In order to comment using the free Adobe Reader application, the document needs to be signed with a cryptographic key only available from Adobe's commercial (non-free, for-pay) software suites. Likewise, if o

    • No, you are correct. Other applications like the ones that I listed in my original post can add comments directly into the PDF that are viewable in Adobe Reader. In fact, annotation is part of the PDF standard. It is just getting Adobe Reader to activate its commenting features that is the problem.

      That said, almost everyone has Adobe Reader or has heard of it. It is the same problem as trying to get people to use something other than Word; they will not want to install some other piece of software becau