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Before PDF: John Warnock's 'Camelot'

Karl De Abrew writes: "In the Spring of 1991 Dr. John Warnock wrote a paper he dubbed "Camelot" in which the Adobe Systems Co-founder and CEO laid out the foundation for what has become Acrobat/PDF. With the author's permission, Planet PDF is pleased to publish the full-text of that historic document." Of course, now it's 2002, and the dream of universal display / printing remains only partly realized; PDFs really have helped to narrow the gap between dream and reality, though.

214 comments

  1. I assume, by Stone+Rhino · · Score: 0, Offtopic

    that the paper will be made available in Portable Document Format?

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    1. Re:I assume, by Anonymous Coward · · Score: 0

      the problem is that you're just NOT FUNNY

    2. Re:I assume, by Anonymous Coward · · Score: 0

      Have you checked the site? Of course there's a PDF version ...

  2. I couldn't live without it today by Choose+Wisely · · Score: 3, Troll

    Even as a Windows user, I'll be the first to admit that even a standard word processor like Word leaves a lot to be desired when it comes to creating a document that'll display correctly everywhere (even across different versions of Word). Adobe has done some excellent work with the PDF format, it's just a shame that it's another company-controlled format, though at least much better than the Word .doc!

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    1. Re:I couldn't live without it today by barfy · · Score: 2, Informative

      Except that PDF is an open and published standard.

      Adobe however, does make the worlds best tools for authoring PDF from a variety of sources...

    2. Re:I couldn't live without it today by dzym · · Score: 5, Insightful

      In my opinion, it isn't truly good until it can be freely converted back and forth into other usable, edit-able formats.

      Which, I note, thanks to the efforts of many, is a criteria that even Microsoft Word doc format is able to meet.

    3. Re:I couldn't live without it today by diwolf · · Score: 2, Informative

      PDF is an open standard. It is NOT controlled by a single company/interest. That's one of the reasons it's so great. While Adobe tends to make some pretty kick-butt software for the PDF format, there's lots of free Linux/UNIX/etc utils that do the same thing as the Adobe products.

      Slightly off-topic, but, in response to the .sig of the parent post: It's funny though, I took a look at your website. "Is linux right for you and your business". Considering the lack of insightful and documented ideas on the site, the fact that you thought PDF to be proprietary to be understandable.

    4. Re:I couldn't live without it today by Matthias+Wiesmann · · Score: 5, Informative
      First you have to understand that PDF is designed as a page description language (with some add-ons for forms and scripts), while Microsoft word is a word processor. Those are different tools.

      Also while the pdf format is controlled by Adobe, the specs are open and available (contrast this with Microsoft's format which is a complete mystery), you can get the specs from Adobe's site and nothing prevents you from writing code that manipulates pdf files (well yes there are issues with compression algorithm).

      This openess is the reason why Apple chose to use pdf as their graphic description language for OS X (older OS versions used QuickDraw). The windows page description language, is, I think, WMF. It's funny to think that the basic page description language used under Unix is Postscript, which is much more closed than PDF.

    5. Re:I couldn't live without it today by Kiwi · · Score: 2
      I will peobably lose karma for this, but I can't stand to see downright wrong perceptions about Linux being spread around.

      The person who posted the parent to this posting has a signature which points to a site with the url islinux4you.com. Among other things, this web site has the following inaccurate assertions:

      we were considering using [Linux] for a great deal of future internal projects.

      So you can imagine our suprise when we were informed by a lawyer that we would be required to publish our source code for others to use. It was brought to our attention that Linux is copyrighted under something called the GPL, or the GNU General Public License. Part of this license states that any changes to the kernel are to be made freely available. Unfortunately for us, this meant that the great deal of time and money we spent "touching up" Linux to work for this investment firm would now be available at no cost to our competitors.

      Furthermore, after reviewing this GPL our lawyers advised us that any products compiled with GPL'ed tools - such as gcc - would also have to its source code released. This was simply unacceptable.

      Looking at this, I come up with three possiblities:
      • This person is seriously ignorant of the GPL.
      • This person is a troll (e.g. someone who enjoys getting other people angry because they are too pathetic to accomplish anything else)
      • This person is being paid by some company that perceives Linux to be a threat.
      For the Windows users here, the quoted text is simply incorrect. The GPL allows modified versions for internal use without requiring the modified source to be distributed; the GPL allows people to compile anything they want with GCC; using any license; the only time the GPL is an issue is if someone wants to distribute a binary of a product which uses GPL source code.
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    6. Re:I couldn't live without it today by Beautyon · · Score: 4, Informative

      Acrobat Pro allows you to edit PDFs, and with Ghostscript, you can edit PDFs and strip the "security" from encrypted PDFs leaving you with the original, 100% editable file.

      PDFs are editable, you just need the right tools.

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    7. Re:I couldn't live without it today by Ryu2 · · Score: 2

      The point is that PDF is a document DISTRIBUTION/DISPLAY format! That's like saying a drawing in GIF/JPG/PNG format isn't good until it can be freely converted back to its original Photoshop/Illustrator/whatever format.

      --
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    8. Re:I couldn't live without it today by Anonymous Coward · · Score: 0

      Ah, but they CAN be loaded back into the original program, or any other program, and you can still perform editing operations on them.

      PDF is different. Unless you're able to license the Acrobat software plus various plug-ins, making a PDF is a one-way trip.

    9. Re:I couldn't live without it today by xtremex · · Score: 1

      The original poster must be on crack. The link on his website was the most laughable FUD I have ever seen. Either he is 12, and "believes the hype", or he works for Microsoft, but I doubt the latter either. Anyway, PDF is an open format, and I like it alot. I absolutely love how KDE has a Print to PDF choice in program menus!

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    10. Re:I couldn't live without it today by Lars+Arvestad · · Score: 3, Informative
      It's funny to think that the basic page description language used under Unix is Postscript, which is much more closed than PDF.

      I'll admit that I am no expert on PS, and know even less about PDF, but in what respect is PS "more closed" that PDF?! The whole language is publicly published and easily accessible for free to anyone near by a library. There are also countless implementations of PS interpreters.

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    11. Re:I couldn't live without it today by uebernewby · · Score: 3, Insightful

      In my opinion, it isn't truly good until it can be freely converted back and forth into other usable, edit-able formats.

      First of all, it is editable, though not as easily as .doc.

      Second of all, part of the appeal of PDF is precisely the fact that you can't edit them unless you have some specific tools to do this. Believe it or not, but a lot of businesses find a technology that allows them to share documents electronically without running the risk of someone tampering with them quite convenient. Why do you think it is fax machines are still used as widely as they are?

      I happen to think that PDF's are really convenient, they even allow for fill in the blank forms that make it possible (in the Netherlands at least) to interact with all sorts of government agencies without having to go through the tedious process of calling them up, asking them to send a form to you (which they always fail to do unless you remind them at least three times over the course of three weeks), filling it out and sending it back (causing it to "get lost in the mail" (room, I suppose)). Now I just download the PDF, complete the form and mail it back. Done.

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    12. Re:I couldn't live without it today by Matthias+Wiesmann · · Score: 2

      I don't know the exact conditions for the use of Postscript. When NEXT used display Postscript, they had to pay some license money to Adobe. Also Postscript compatible printer often were not called Postscript for licence reason. For instance for some time I had a Brother printer that supported BR-script.

    13. Re:I couldn't live without it today by RossyB · · Score: 1

      I've editted PDFs, you just need to own Adobe Acrobat, Not Acrobat Reader.

      In this way the comparison to GIF/etc is more appropriate.

      I can create a file in Photoshop and save it as a PSD file, I get layers, effects, editable type, etc. If I save it as a PNG I just get a copy of the pixels. I can make simple changes but nothing complex, as it is just a single layer.

      I can create a file in Word and save it as a DOC file. I get tables, columns, editable pictures etc. If I save it as a PDF I get a copy of the text. I can make simple changes but nothing complex, as it is just a collection of character and lines.

      I have edited a white paper we released as a PDF when a product was renamed. I opened it in Acrobad, selected the Text button, clicked in the body text and editted the text.

    14. Re:I couldn't live without it today by NightWhistler · · Score: 1

      I found the one about Linux not having SMP support quite amusing as wel... ;-)

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    15. Re:I couldn't live without it today by Segfault+11 · · Score: 1
      Not this lame old argument again. PDF gains nothing, as far as tamper proofing goes. This comment says that you only need Acrobat.

      Suppose there is a protected format that doesn't allow one to tamper with the output file. The minute this information reveals its output image, it's not really protected anymore, is it?

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    16. Re:I couldn't live without it today by Howie · · Score: 1

      It has a digital signature, which I assume is similar to a PGP Signature, in that it will be invalid if the file changes. Whether anyone uses that or not is another matter. I've never seen a signed document myself, although I know of at least one organisation that uses them internally to provide a 'paper trail' during a certification process.

      --
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    17. Re:I couldn't live without it today by Florian+Weimer · · Score: 2

      If you want to use "PostScript", you need at least a trademark license.

      Of course, Adobe PostScript is not just a language specification, it's also an interpreter, and for the latter, you certainly have to pay license fees (and for the standard fonts, too).

    18. Re:I couldn't live without it today by Anonymous Coward · · Score: 0

      PostScript is a published specification, so it's "open" in the old sense of that word. The word "PostScript" is however an Adobe trademark, so implementations of the spec have to find different names ("GhostScript", or on my HP printer, just "PS")

      Display PostScript was a little more complicated - Adobe wrote at least some of the code, and the spec might not have been published like regular PS.

    19. Re:I couldn't live without it today by khuber · · Score: 5, Interesting
      >PDF is an open standard. It is NOT controlled by a single company interest

      I don't think you know what you're talking about! I'm not an expert by any stretch of the imagination, but I think there a few things to consider. My understanding is that it's "Adobe PDF" and it's a de facto published "standard" controlled by Adobe. PDF is a derivative of PostScript Level 2. It is most definitely proprietary even though the format specification is available. Usually when people say "open standard", they mean that it is a "de jure" standard controlled by a recognized standards body like ISO, and Adobe Systems is a single interest, not a standards body. Another usage of "open standard" with respect to Adobe PDF refers to the fact that it's published and royalty-free. If Microsoft publishes the Word document format, it is still a proprietary format.

      The problem with proprietary formats like PDF is that a company who wants to influence the standard cannot join the controlling standards body. So basically if you don't like the direction Adobe Systems is taking with their format, you're screwed unless you have clout with the company. If you're concerned with archiving information for a long period of time or choosing an interoperable format, the proprietary nature of PDF is discouraging.

      Don't get me wrong, I like using the PDF format and have produced some nice documents using pdflatex, ebnf2ps, and other free PostScript tools. I just think it's important to understand the limitations of PDF which are primarily that it is 1) a publishing format more than an editing format and 2) Adobe controls it. At work, for example, documents are stored and passed through an editing and publishing workflow as XML, archived as XML, and only rendered to PDF on demand at the end.

      I hate to ramble on, but there seems to be a lot of misunderstanding on this topic. Some other people have made the analogy between the JPEG graphics format and a format with layer information like Photoshop's proprietary format. PDF is not designed to carry the types of metadata you might want in a document workflow as well as XML (or SGML), just like JPEG only represents the final rendered and flattened ("published") image from what may have been a multilayer graphic in the editing process. In other words, PDF is not a universal document format when you are concerned with editting or automation which relies on metadata that is not part of the document displayed to a user.

      -Kevin

    20. Re:I couldn't live without it today by Tet · · Score: 3, Insightful
      When NEXT used display Postscript, they had to pay some license money to Adobe. Also Postscript compatible printer often were not called Postscript for licence reason.

      Precisely. NeXT chose to license Adobe's PostScript RIP, rather than reimplement it from scratch using the publically available specs. That's doesn't make PostScript any less open. It's a business decision. Brother apparently chose to implement it themselves, which means they don't have to pay a license fee to Adobe (but in the process, they lose the right to use the PostScript trademark). A business decision once again.

      --
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    21. Re:I couldn't live without it today by Anonymous Coward · · Score: 0

      You couldn't hack your way our of your grandmother's dirty underwear, which I'm sure you're wearing right now on your head. Fuck off troll boy.

    22. Re:I couldn't live without it today by LocalYokel · · Score: 1
      I assume you meant this comment, not "this comment".

      I'll back you up and say that for nearly every argument in favor of PDF, there is a counterpoint against it. If you need something printed, PDF is the way to go, but for the most part, a Word doc, or (gasp!) an HTML page is just fine. A digital signature can't have much more validity than a checksum tossed into a comment on an HTML page.

      --

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    23. Re:I couldn't live without it today by Anonymous Coward · · Score: 0

      Not to sound like an advertisement but Macromedia Fireworks use PNG as its native file format and it doesn't flatten the images when you save.

    24. Re:I couldn't live without it today by SpinyNorman · · Score: 2

      Your criticisms of PDF are answered by your own last paragraph! PDF is a distribution format, not a source format. You should be concerned about who has control of your source format (e.g. Microsoft who deliberately change the .doc format with every Word release to force upgrades), but the only criteria for a distribution format should be whether people on every platform can read/print it, which is true of PDF. The fact the PDF has an open specification is really just a bonus, given that PDF readers are freely available from Adobe for every platform.

    25. Re:I couldn't live without it today by Anonymous Coward · · Score: 0

      What the hell is Acrobat Pro? I've been using Acrobat (not the reader) for several years but I guess I am still a rookie and haven't gone Pro.

      Anyway, the full version of Acrobat allows limited text editing - very limited. Considering few people actually use Acrobat to create the document editing in Acrobat really isn't all that useful.

    26. Re:I couldn't live without it today by GigsVT · · Score: 2

      Speaking of RIP, I work at a litho printer.

      We want to get our harlequin RIP onto linux and off of SGI, we mostly are doing DCS and PS RIP. Any sugesstions?

      gigs at vt dot edu

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    27. Re:I couldn't live without it today by RossyB · · Score: 1

      Don't take this as gospel, but AFAIK the PNG spec only allows one image per file. That would probably be a copy of the image flattened, then each layer of the image (and the vector parts) would be stored as custom data chunks.

    28. Re:I couldn't live without it today by tzanger · · Score: 2

      Adobe however, does make the worlds best tools for authoring PDF from a variety of sources...

      I don't know about that; ps2pdf13 makes far nicer screen-optimized documents (smaller too) than I could get Acrobat 4.06 to make under Win32.

    29. Re:I couldn't live without it today by martinschrder · · Score: 1
      PDF is a proprietary format, that's right -- because PDF is a trademark of Adobe. But you are free to add your own keys to a PDF file (there's even the possibility to register prefixes of key with Adobe).

      There is an open standards version of PDF: PDF/X

      You can easily embed Metadata in PDF 1.3++. See here.

    30. Re:I couldn't live without it today by uebernewby · · Score: 2

      Not this lame old argument again. PDF gains nothing, as far as tamper proofing goes

      I didn't say they're perfect, but if you're going to tamper with a PDF, you'll need to know what you're doing, whereas any idiot can (unintentionally) mess up a Word doc. But yes, I agree with you in that it's primarily a matter of perception. Or, to be really mean, I'll say it's a document format that lets the layout guys keep their jobs. Let's just say it's the former ...

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    31. Re:I couldn't live without it today by markmoss · · Score: 2

      The concern with who actually controls PDF comes about because most of us _are_uneasy about who controls our source formats. That is, if we have to dig out a 10 year old project and make changes, we may have to try to replicate the computer environment of 10 years ago -- Office documents are probably OK, but the engineering programs I used in DOS and Win 3.11 won't run in 98 or NT. So, can I find those disks, and can I find a computer they'll run on, because DOS 6.22/Win 3.11 certainly doesn't believe in 30G hard drives, or plug and pray, or the printer drivers I use now?

      And getting into today's projects in 10 years is goiing to be worse. Hell, if you "upgraded" to XP with the product activation, you'll have to crack that just to run the same software!

    32. Re:I couldn't live without it today by Anonymous Coward · · Score: 0

      shut up moron, pdfs are slow to load, worthless because you can't cut and paste, and a huge pain to lay out. worthless, proprietary format for a loser like you

    33. Re:I couldn't live without it today by Beetjebrak · · Score: 1

      The pdf format saves me a hell of a lot of time, and is far from worthless! A great lot of pages are laid out using Quark Xpress or Pagemaker. Each of these programs needs to gather all the photo's and other graphical elements included on the layout, put them in a folder, relink the file to the document's new relative location and gather all required fonts for proper printing into a single directory. This goes wrong almost 100% of the time. It's not like it's the end of the world when your printing company calls you for a missing font, but still.. it went wrong! PDF saves huge loads of trouble by embedding graphics, fonts, photo's, colour management, printing instructions and a bunch of stuff more into a single very small file. The collected Quark files I used to send off would easily reach 100MB in size. A PDF document, generated from InDesign with its excellent PDF-export function, rarely gets bigger than 5MB and there's no perceivable loss of quality. PDF is not very useful online in combination with Acrobat Reader. If you were to use PDF in a more browser-like manner, without the zooming controls and stuff like that but proportionally fitting the page to your browser window, you'd probably have a very usable browsing experience. The way it is now, Acrobat Reader (one of the many PDF-readers, I'm aware of that fact)is too much paper-centric. This, in my opinion, is merely a matter of presentation and should be easy to solve for on-screen applications. All things said: PDF is an absolute boon to anyone wanting to print elaborately laid out pages. LaTeX is great for books, but don't even go there if you want to lay out the next issue of Cosmopolitan. On-screen presentation should be hugely improved, but calling the format worthless clearly shows your ignorance on subjects dealing with professional printing.

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    34. Re:I couldn't live without it today by Beetjebrak · · Score: 1

      As a "layout guy" I have to reply to this little piece of flamebait. File format is of absolutely no concern at all to a page layout. I've seen nice layouts done in Word, some brilliant HTML-pages and also some totally dismal Quark work. You need a decent set of skills to come up with properly laid out pages. These skills take years to develop, just like geek-skills. The better the sysadmin, the less he's appreciated by the users because their computers hardly ever fail. Same goes for a good designer of informative pages. You've only produced a good layout when the readers aren't consciously aware of the layout. Proper layouts can be made using any file format that'll store pixels or vectors. It requires insight and knowledge of the psychology of readers'perception of a page before you can even begin to make a good page design, which has nothing at all to do with computers or file formats.

      --
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    35. Re:I couldn't live without it today by Fillup · · Score: 1

      Adobe however, does make the worlds best tools for authoring PDF from a variety of sources...

      Yes. But to digress...considering that Mac OS X uses PDF as its display layer, ANY document that can be printed in Mac OS X can be automagically made into a PDF -- even if you haven't installed any printers/drivers/special software. Right from the Print dialog box.

      Granted, you can't make them all crazy and form-like and everything without other tools (like adobe's acrobat) but if you can program on Mac os x, you can quite easily make PDF-creation and manipulation programs since it's already married to the operating system's 2d display layer and API. Without having to bend over backwards and do a bunch of low-level implementation.

      --
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    36. Re:I couldn't live without it today by khuber · · Score: 1

      Ahh. Thank you for the correction about PDF allowing metadata! That's good news.

      -Kevin

  3. Profound. by torpor · · Score: 4, Informative

    Especially when you consider that OSX now has a graphics engine based on PDF, which begins to finally close the gap between screen and paper ...

    Gotta love those dreamy nerds.

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    1. Re:Profound. by znu · · Score: 2, Informative

      "Finally?" NeXTStep's Display PostScript closed this gap 13 years ago.

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      This space unintentionally left unblank.
    2. Re:Profound. by Anonymous Coward · · Score: 0

      Nextstep is OS X except no one used it (well not no one, but not the millions that will end up with OS X). We can thank NeXt for all the innovations that have made their way into Mac OS X. There's a lot of stuff in there that Apple wouldn't have put in if they did it from scratch, but is good to have since it was pre-made by NeXt.

    3. Re:Profound. by scrutty · · Score: 2, Interesting
      Huge NEXSTEP fan that I am I still feel compelled to point out that Display Postscript was Adobe's tech,and licensed by NeXT, and also that Sun NeWS was doing this before Display Postscript.

      --
      -- Oh Well
    4. Re:Profound. by Alan+Partridge · · Score: 1

      I'd agree with that wholeheartedly, under OS9 I'd either have to use Acrobat Distiller or InDesign to get my pages out to pdf easily, under OSX it's a breeze, the next step is to allow editing of pdfs in Text Edit. I'm sure that Windows will be where OSX is now in 3-5years as usual... :-[

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    5. Re:Profound. by Anonymous Coward · · Score: 0

      There is a piece of software for windows that can make a pdf from any print dialog and it's much more reasonably priced that Distiller. It's called pdfFactory (www.fineprint.com). I've been using it since they released it, it works very well.

    6. Re:Profound. by Fillup · · Score: 1

      ummm...i don't think this is a disagreement, maybe just more information....

      NEXT is OS X. Except, that as another poster said, NEXT licensed Display Postscript from Adobe. Apple specifically made the switch to display PDF (quartz) so as not to have to pay any licenses for the technology.

      --
      "I think there is a world market for, maybe, five computers." __ IBM Chairman, 1943 __
  4. Warnock's always had great ideas by Anonymous Coward · · Score: 2, Informative
    I attended college with John Warnock many, many years ago. Although I didn't really get to know him well, few people did; he spent most of his time meeting with the "Graphical Science" professors (no joke, that is what they were called at our school) and working on obscure programming projects. I remember one time when he exhibited what must have been an early version of the Photoshop core at an engineering fair - it had a very primitive GUI but produced some amazing (for the era) effects on the images he used it on. The one effect I remember the best was the "emboss" transformation - it's now a staple in all graphical toolkits and editors, but I had never seen it before his demo.

    John and I haven't kept in touch in recent years but I wish him the very best of luck with Adobe. He's a very talented man and he deserves success.

    df

    1. Re:Warnock's always had great ideas by animaal · · Score: 1

      How could the above be a troll?

    2. Re:Warnock's always had great ideas by Yakman · · Score: 1
      How could the above be a troll?

      One clue might be that the troll says "I wish John the best of luck at Adobe" when this paper was written by Dr Warnock "CEO and Co-Founder of Adobe" in 1991.

    3. Re:Warnock's always had great ideas by Howie · · Score: 1

      John Knoll was the creator of Photoshop, not Warnock (Photoshop History). Warnock did work on Postscript before founding Adobe though (I believe the early work was done at Xerox PARC).

      --
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    4. Re:Warnock's always had great ideas by Metrol · · Score: 2

      How could the above be a troll?

      Another clue can be found in how Photoshop wasn't developed at Adobe. The original developers for Photoshop had gone to Apple before approaching that printer font company known as Adobe.

      --
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  5. less is more PDF & Multiple Master Fonts by red_crayon · · Score: 3, Informative

    Another function of the IPS binder will be to include reconstituted fonts into the IPS file. The idea here is to include just the characters of a font that are actually used in the document. A result of including the necessary characters from the fonts used is that an IPS file will be completely self contained. In other words, when I send a file around the country, I don't have to worry about whether the receiving location has all the fonts required by the document. The current situation is that complex font substitution schemes are used to deal with locations not having the appropriate fonts.

    Later on Adobe did better than this, with the Multiple Master Font idea --- even if a font or a subset of the font is not embedded (this can seriously bloat file sizes as the font encodings are a lot of overhead for a small document), Acrobat reader (or some other display device) can render the font pretty well because it knows how to "fake" the correct appearance based on similarities to combinations of master fonts. It's a very clever approach.

    --
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  6. OSX, PDF, and Windows by banky · · Score: 3, Interesting

    Everyone knows about OSX and DPDF. When will Windows abandon the bitmapped display it has used since, well, forever? Is MS working on a system similar to DPDF? Or do they not even really regard the technology as worthwhile? It seems odd to me, since MS's cash cow is Word and Excel, that they are essentially using the same graphics engine they have always used, albeit much faster and with more features. (opponents of MS will say that this applies to all their technologies). Is it merely that they (MS) have not built their own, and are hesitant to license PDF from Adobe? Or are there strong technical reasons (besides, I guess, breaking the old software).

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    1. Re:OSX, PDF, and Windows by znu · · Score: 2

      You don't need to license PDF from Adobe. It's an open standard. This is one of the reasons why OS X has a shiny new PDF-based graphics engine, instead of continuing to use the Display PostScript engine from NeXTStep.

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    2. Re:OSX, PDF, and Windows by spectecjr · · Score: 1

      Well, these days they have a reasonably display-independent graphics system (GDI+), which is unfortunately saddled with the fact that:

      1. It's buggy. (create a bitmap to cover your entire window, and it'll be a pixel shy at the bottom and right sides).
      2. It uses a mix of pixel coordinates and real-world units.
      3. You have to switch to drawing things in a kind of reverse-polish notation if you're doing any kind of transformations. For example, drawing text so that the line goes vertically upwards can get real messy. Especially when you start measuring the bounds of it.

      It probably needs a little time to mature -- heck, the documentation is 'pre-release'. But for now, I think a lot of people are going to stick with GDI for regular windows development.

      Of course, I'll happily be proved wrong.

      Si

      --
      Coming soon - pyrogyra
    3. Re:OSX, PDF, and Windows by Anonymous Coward · · Score: 0

      If anyone could read and/or write Word documents with any old software, there would be no arm-twisting reason for them to stay with Word. Microsoft do not (and will not) support open standards because that would interfere with their ability to leverage their market share.

  7. Very useful by The+Cat · · Score: 2, Informative

    ..and it would seem to be a solid alternative to the office/printer problem on Linux. Color printing on Linux remains a problem for some printer models (although this is improving). Any office suite is limited in use without the ability to print *correctly* from Linux. The need for the Windows printer driver is very inconvenient.

    However, once one learns LyX, it would seem, one can author documents at least (with color graphics, no less) on Linux in a format that can be exported to either PDF or HTML, and viewed or printed on any platform with a PDF viewer, including eBooks, Linux, Mac and Windows. This makes things far more convenient.

  8. They Certainly Changed the Sales Plans by herbierobinson · · Score: 2, Interesting

    Note that the paper indicates they were originally planning on selling the viewers. I'll bet there is an internal political story there...

    I assume they eventually got paid for including it in the printer drivers in Mac OS and Windows, but initially, they were just giving it away. In fact, they also gave away the rendering tools to just about everybody who owned another Adobe product. Of course the net result was that it quickly became indispensable.

    --
    An engineer who ran for Congress. http://herbrobinson.us
    1. Re:They Certainly Changed the Sales Plans by LL · · Score: 1

      Ahhh ... the good ol' days of font wars between Adobe and MS. I believe that one unintended side-effect (at least I hope so otherwise it would indicate some really devious business thinking) was that by making acroread ubiquitous, they effectively controlled the pathway to the printer. All their publishing products can suppress printing/cut&pasting and those rules are enforced by acroread. Hence by giving away their viewers, they effectively created a distribution channel for PDF files that required comparatively expensive authoriing tools ... it is a heck of lot easier selling 10,000 $500 packages than trying to flog 1,000,000 $5 viewers.

      The puzzling thing is why they don't produce unix versions of their latest acroread versions. This opens up a gap in their product range which open-source viewers could potentially evolve to bypass any protection scheme.

      LL

    2. Re:They Certainly Changed the Sales Plans by yora · · Score: 1

      Note that the paper indicates they were originally planning on selling the viewers. I'll bet there is an internal political story there.

      In fact, Adobe initially used to sell the Acrobat Reader software for something like $99. I don't remember the exact ammount, but there was a charge. This was changed in the later versions of Acrobat Reader.

      In fact the initial target market for Acrobat was internal corporate documentation in a mixed computing environment. It was only later that Adobe decided to give out the Acrobat Reader for free and turned PDF into what it is today

  9. Brilliant by baron000 · · Score: 0, Flamebait

    If you are reading this post, and you have not read the document yet, read the document it is a must read; not only is it informative, but it is interesting.

  10. PDF's Role in Mac OS X by guttentag · · Score: 3, Informative
    I find that the real advantage of OSX's PDF-based graphics engine is that I can create PDF files from any print dialog.

    Previously this was available only though special software which had to be purchased from Adobe. Now the operating system emables me to create documents with the assurance that it will be rendered on anyone's screen as it would have been rendered by my printer.

    Beyond that, I know anyone can print their own hard copy of my document without any cross-platform problems. That's something MS Word cannot boast.

    1. Re:PDF's Role in Mac OS X by Darren+Winsper · · Score: 1

      While it's not as easy, under Linux you just print to a PS file and run it through ps2pdf. Not exactly rocket science.

    2. Re:PDF's Role in Mac OS X by khuber · · Score: 1
      If you do that (naively use ps2pdf), your document will probably look like crap on the screen due to using nonstandard fonts. To produce a decent looking PDF document for online viewing you have to use the standard PDF fonts.


      -Kevin

    3. Re:PDF's Role in Mac OS X by gargle · · Score: 2, Informative

      Previously this was available only though special software which had to be purchased from Adobe

      Or you can get Jaws PDF Creatior
      http://www.jawspdf.com/pdf_creator/cost.html

    4. Re:PDF's Role in Mac OS X by demaria · · Score: 2

      There is a nice piece of shareware (freeware?) PrintToPDF by James Walker for classic Mac. It works quite well.

    5. Re:PDF's Role in Mac OS X by Mr.+Slippery · · Score: 1
      To produce a decent looking PDF document for online viewing...

      When will people understand that the best dead-trees layout is not the best on-line layout?

      Reading PDFs on-screen is pain - whether on a MSWindows, Mac, or Linux screen. It's not a question of fonts, it's a question of resolution, color spaces, and luminosity. At best it's almost as much fun as reading from the screen of a microfilm reader.

      --
      Tom Swiss | the infamous tms | my blog
      You cannot wash away blood with blood
  11. Its nice for what it does, but hardly a revolution by gad_zuki! · · Score: 4, Insightful

    The main problem I see is that its designed to reproduce print-like quality, which is great for when you need a hard copy, but the trend to turn PDF into a lazy man's HTML is definately for the worse.

    First, the filesize is ridiculous.

    The interface needs a lot of work, unless I have a scrolling mouse I won't even bother reading one. The little hand widget must go. Also, I don't want to have to resize my screen to be able to read half the poorly produced PDFs out there. No use in jumping to the next page when I can only display 2/3 of the current one. So back to the little hand.

    They're non-editable for the most part once you make them.

    They are in a closed format and controlled by a litigious company unafraid to use the DMCA for their own questionable ends.

    The plug-ins are notoriously buggy.

    Its great for sending something straight to the laser printer, but as an on-line advance it really just stinks.

  12. I never liked PDF by PhilHibbs · · Score: 0, Flamebait

    It has all the disadvantages of online and printed documentation rolled into one.

    1. Re:I never liked PDF by Anonymous Coward · · Score: 0

      I wish this would get modded-up. It's quite true, just unfairly moderated by people that don't want to hear about PDF's shortcommings.

  13. OK, this islinux4you.com is a troll by Kiwi · · Score: 3, Funny
    Talking to myself, but I have concluded that islinux4you.com is a troll. I found the following gem on the site:
    I consider myself to be very technically inclined having programmed in VB for the last 8 years doing kernel level programming. I don't believe in C programming because contrary to popular belief, VB can go just as low level as C and the newest VB compiler generates code that's every bit as fast.
    I have bitten the troll. Sigh.

    - Sam

    --

    The secret to enjoying Slashdot is to realize that it should not be taken too seriously.

    1. Re:OK, this islinux4you.com is a troll by Anonymous Coward · · Score: 0

      You fail it.

      Kthnx.

  14. So, which path did they take? by sasha328 · · Score: 1

    John Warnock said there were two paths, one is to use Display Postscript, and the other is to use Interchange Postscript.
    It sounds like they went with IPS, but how divergent from Postscrip is PDF (or Acrobat Exchange format)? Also, does anyone know if anyone other than Apple uses Display Postscript?

    1. Re:So, which path did they take? by gr · · Score: 1
      Also, does anyone know if anyone other than Apple uses Display Postscript?

      OpenWindows (under Sun Solaris) can, NeXTStep does (but I'm presuming that's what you mean by Apple), some SGI Irix X stuff can.
      --
      Do you have a /. uid shorter than five digits? No? Then piss off.
  15. CAMELOT MY EYE by xxSOUL_EATERxx · · Score: 0, Troll
    SAME...
    it is important to structure Camelot components so that they can be sold in ways that are useful to the corporations (emphasis mine)

    OLD...
    . If someone produced a CD-ROM with "maps of the world" on it, then one can imagine selling a retail package with one viewer and the CD-ROM. (emphasis mine)

    STORY....
    . In any event corporations should be interested in site-licensing arrangements

    ...they start with a genuinely innovative idea (using the rebinding features of the PostScript language to develop documents that can do not require the complete PS parser to be read,thus vastly improving portability, as a much smaller reader application compatible with any IPS can then be distributed), and all they can think about is the ALMIGHTY DOLLAR.

    What about truth? What about freedom?! What about human rights, or helping developing countries? ANY hint of idealism is shunted aside. The glorious implications of "Camelot" have been abandoned along with the name, and Adobe is today just another software behemoth slugging it out with the Micro$oft gorilla. Sometimes it's too easy to be cynical.

    1. Re:CAMELOT MY EYE by Anonymous Coward · · Score: 0

      *LOL* Human right violation my ass :)

      So, if a car-company require you to pay for their products your human rights have been violated?

      It's not like adobe is forcing you to buy their products, are they?

      It's just like everything else that is produced on the planet, I spend a bunch on millions of developing something and if you want it you have to pay your share. Ofcause nothing forces you to be a part, you can always go elseware.

      Socialist scum...

    2. Re:CAMELOT MY EYE by Anonymous Coward · · Score: 0

      I guess you are one of them who links your "right" to warez mp3's (the music is the result of hard work) with aids in Africa?

    3. Re:CAMELOT MY EYE by overunderunderdone · · Score: 3, Insightful

      This post is so silly I'm sure I am responding to a troll who is intentionally setting up a weak straw man for others to knock down. But the mindset you parody is so prevelant I can't overcome the temptation to be the one to knock it down.

      ...and all they can think about is the ALMIGHTY DOLLAR.

      And what's wrong with that? Adobe is not a charity - and even if they were charities aren't very effective without the ALMIGHTY DOLLARS that the greedy people pursuing said dollars donate.

      What about truth? What about freedom?!

      They're nice and all, but you can't eat them. Also, they don't seem particularly relevent.

      What about human rights...

      Again seems irrelevant to a portable document format. I suppose now you can send a nicely formatted petition electronically. Is that what you are getting at?

      ...or helping developing countries?

      You can't help them very much without the ALMIGHTY DOLLAR, as I said before truth and freedom (and petulant whining) are nice, but you can't eat them.

      It's all well and good to be altruistically concerned with the welfare of everybody in the world but most people, including yourself, are far more concerned with the welfare of themselves and their families. Starvation in Somalia becomes only an academic concern when you yourself are starving. Altruism is a rich (or at least comfortable) mans game and you don't get rich (or even comfortable) unless you pursue the ALMIGHTY DOLLAR (at least a little) usually by being employed by someone who is pursuing the ALMIGHTY DOLLAR with great zeal.

      Warnock like everybody else is primarily concerned about his own welfare, but to become wealthy he must be concerned about other peoples welfare. He must invent or sell something that will meet those other peoples needs sufficiently that they will spend their own money on his product. To produce and sell that product he must be concerned with the needs (money, health-care, vacations) of the people he will hire to help him sell his product to make himself rich. To get the money he needs to hire those employees he must concern himself with the needs of investors and fund their retirement so they won't starve when they are old. Finding himself a wealthy man. He is forced whether he wants to or not to give a large portion of his wealth to the maintenance of his government and to government charity to several hundred more people. Finally after inadvertently meeting the communications, employment, retirement and charitable needs of hundreds of thousands of people Warnock gives vastly greater sums than you or I to the poor and oppressed.

  16. Re: John Warnock's `Camelot' by Anonymous Coward · · Score: 0


    the dream of universal display / printing remains only partly realized; PDFs really have helped to narrow the gap between dream and reality

    Fuck you.

    IT NEVER HELPED to make MY WINDOWS GDI PRINTER fuction above 1% in LINUX.

  17. Q/A by ceeam · · Score: 1

    If only Distiller wouldn't crash Win2k oh so often...
    And even when it doesn't bluescreen in my experience it's better to reboot it after generation of a bunch of PDFs just to be sure that the mess in kernel structures Distiller driver (usually) causes does not stay there.

    1. Re:Q/A by Anonymous Coward · · Score: 0

      I can't really see the usefulness of PDF. All of our printers handle Postscript, none of them handle PDF with conversion. We use Solaris and Linux boxes, and have three conversion utilities to choose from: Acroread, xpdf, and ghostview. I think I have encountered files which fail on all combinations of them, i.e. some work in Acroread which fail on xpdf, and vice-versa, and some fail on both, but work with gv. Whenever I get an PDF document, I know I'm going to have trouble.

  18. This Post Intentionally Left Blank by pheph · · Score: 2, Interesting

    ... or how printing is highly overrated and I'd rather use hyperlinks than (see page 41). I don't quite see how PDF is better than a regular markup language, a manual or technical paper isn't a work of art. Why does it need to look exactly the same. I'm looking for information, not a breathtaking setup of paragraphs. Why not do it in html?

    And will someone please tell me what's up with those "This page intentionally left blank". Not only is it contradictive, but a waste of paper/time/etc.

    1. Re:This Post Intentionally Left Blank by evilviper · · Score: 2

      I second that anti-PDF notion... PDF puts full control in the hands of the creators and practically no control in the hands of the users. HTML will look damn good at any resolution, in the font I choose, with or without images as I see fit, with the margins that I want it to have.

      My favorite page was a right-to-the point message on a Government intern application:

      "This Page is Blank".

      Now mind you, because it was an offical document, it means the offical opinion of the US Government is: that page is Blank!

      It just reminds me of going up to an officer at some military facility and getting direction to Area 51. Area 51 may not exist according to the government, but you can get directions to it by offical government personell.

      --
      Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
    2. Re:This Post Intentionally Left Blank by Viceice · · Score: 2, Insightful


      I second that anti-PDF notion... PDF puts full control in the hands of the creators and practically no control in the hands of the users. HTML will look damn good at any resolution, in the font I choose, with or without images as I see fit, with the margins that I want it to have.


      You're not getting it, the whole point of .pdf isn't for editing or that matter printing. It's suppose to represent paper on screen. It's so that you can look at the printed pages of (in your case) a manual, on screen just as you would a book.

      The reason you have no control over the content of the .pdf is the same as why you dont go around applying blanko on books and changing its content. But however just like a book, you have the option of 'book marking', Indexing, and leaving a little post-it note on the page with your thoughts and writing in the margins.

      At the same time, the reason PostScript and i belive according to the artical the Camalot project was created it so that Font, Objects, Content and Formatting is expressed the SAME way regardless of generation, machine or platform, and so letting you change the formatting (margins and all) kinda defeats the prupose doesn't it?

      --
      Sometimes I wish I was a plumber, then I'd know how to deal with other people's shit.
    3. Re:This Post Intentionally Left Blank by Anonymous Coward · · Score: 0



      "And will someone please tell me what's up with those 'This page intentionally left blank'. Not only is it contradictive, but a waste of paper/time/etc. "

      It's simple bad design.

      Basic saddle-stitched book imposition (where you print four pages on a single sheet and fold everything in half) assumes an even number of pages, but it's possible to end up with an odd number of filled-up pages, leaving 1 or 3 'intentionally' blank pages in your layout.

      In the fast and loose world of technical manual design, I suppose it's easier just to claim you intentionally did it that way and reassure your audience that nothing is missing, rather than reflow your document to fill the available space.



    4. Re:This Post Intentionally Left Blank by Anonymous Coward · · Score: 0

      XML/SVG and Cascading Style Sheet do all PDF do, plus much less bloated space.

    5. Re:This Post Intentionally Left Blank by pheph · · Score: 1

      I guess the point I was getting at was that I don't really care the way the creator wanted it to look on a page. I want to look at it the way _I_ want to look at it. I'd like to decrease the font, or put two pages side-by-side to fit more on less pages. I want to select parts of text and paste them somewhere else. I loose all that just so it looks like the creator wanted it to on my screen.

    6. Re:This Post Intentionally Left Blank by evilviper · · Score: 2

      I understand very well what PDF is for. The problem is, I don't care for it one bit.

      PDF is ONLY useful when you have a document that you want to be printed out somewhere else on the same-sized media. It is not a format for online viewing as it has been used. I couldn't give less of a damn if it looks different on my system than on anyone elses. I want it to print out they way I want it, and someone else wants to print it out differently. HTML respects that, and makes no attempt to FORCE the viewer to see it in any particular way.

      One of the worst things a web designer can do is attempt to force a user to view it a certain way. To avoid it ,is to make everyone happy all the time. There's nothing wrong with images, as long as there's an ALT= for those that don't wish to load images... Conversely, there's nothing wrong with CSS for the simple reason that the user may disable CSS if he/she chooses to do so.

      PDF should not have a market... PS does just fine for print shops and printers, and in no case is it okay to force a particular layout/font/size/etc. on the end users of your documents.

      Here's an example in case you still don't get it... News papers use a rather tall and wide format... So lets say a newspaper wants to release an online archive of the papers. A monstrocity of a PDF (like that would be) would be damn near impossible to print for those users that don't have ghostscript/Acrobat, and would be pretty damn miserable for anyone to try to read (It would be like reading a letter-sized PDF on a Palm/WinCE device. After a lot of size to side scrolling, you won't give a damn how the publisher intended it to be read! What you will want at that point is a format that will automatically format itself to be easially readable on any size screen: HTML.

      Have I grounded my point in clearly enough yet?

      --
      Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
  19. Open and available specs? Not quite... by Ryu2 · · Score: 1, Troll

    Ask Dmitry Skylarov what happened when he tried to "reverse-engineer" the encryption on that "open" standard (if it's open, why would he need to reverse engineer it in the first place?)

    PDF, open YEAH RIGHT!

    --
    There's 10 types of people in this world, those who understand binary and those who don't.
  20. Breaking news: Debian breaks the social contract by Anonymous Coward · · Score: 0

    Over the past few months, the GNU/Linux community has slowly adopted a way of dealing with security issues which closely resembles the approach suggested by Microsoft last year: more-or-less systematic hiding of security problems from end users, at least for some time.

    Some Debian maintainers seem to participate in this process, and hold back security fixes, waiting for events to happen which are external and not related to the Debian project (for example, other distributors being ready to publish fixes).

    I'm not sure if this approach is desirable, or has the intended effect. However, I do think that it is conflicting with the third item of the Social Contract: The promise, "We Won't Hide Problems", is not held. (The following technical explanation is honored, though, such problem reports never enter the Bug Tracking System before release.)

    However, I do think that the Social Contract needs to reflect this problem. After all, the claim, "We Won't Hide Problems", gives the user a false sense of security and openness.

  21. Prepress industry by lamj · · Score: 3, Interesting

    I know most readers here (myself included) are from IT industry, let me also introduce some effects of PDF on prepress industry. (Let's look at things from another perspective)

    In the old days, there was a lot of press approval and proofs being sent via the ad. agency to the end user for approval. With PDF, even the end user can fire up PDF reader on their own computer and view the electronic proofs, it is not color accurate (looking at the screen), but for most part (especially small cheap run), it works well.

    The same PDF sometimes also get on the RIP (Rasterized Image Processor) for output, this assures same results from the electonic proofs. (accuracy is very important in this industry)

    Major problem now is sometimes a prepress shop get one job done and sent to other for output to film or CTP (to plate), the PDF files does not have fonts embeded (PDF have this "feature"), then, it will become a hunt for the right fonts.

    Prepress shops have mixed feelings for PDF, most that I talked to see it as a constructive technology.

    1. Re:Prepress industry by Metrol · · Score: 2

      Prepress shops have mixed feelings for PDF, most that I talked to see it as a constructive technology.

      First off, this is not meant to be flamebait, which I guess is the surest way to get modded down. From what I understand of PDF at professional printing houses is they don't much care for it at the moment at all. Most of the ones my company has worked with definitely prefer Quark, or some other type of raw file format. Apparently PDF is still way too clever to get a proper output to the press machines, and tends to cause a lot of glitches.

      Most of that realm is way outside my personal understanding of printing. PDF has always done a really outstanding of job of printing to a laser printer for me from either FreeBSD or Windows. The only thing I know for sure is that there's quite a difference between a professional level print house and a laser printer.

      The only reason I mention this here is that I know Adobe wants to make PDF "the" file format for professional level needs. It would be nice to see them succeed in getting PDF working as nicely at both the user and professional level. It'd simplify a lot of processes. Especially keeping fonts together with documents.

      --
      The line must be drawn here. This far. No further.
    2. Re:Prepress industry by Beetjebrak · · Score: 1

      I don't know what you're doing, but I've been working with PDF to hand in documents to professional printers for quite a while now. I've sent and received thousands of such documents and have never ever had a SINGLE problem with fonts or anything else for that matter using PDF. Using Quark's own file format would give font-hell one out of three times approximately. PDF sure saved me and the printing companies I work with a lot of headaches!

      --
      Learn from the mistakes of others. There isn't enough time to make them all yourself.
  22. Re:Its nice for what it does, but hardly a revolut by banky · · Score: 2

    >First, the filesize is ridiculous.
    Yes, but personally, I see it as a trend; Moore's Law, HD technology, and better broadband will make this trivial.

    >The interface needs a lot of work
    Eh, its just an implementation detail, isn't it?

    >They're non-editable for the most part once you make them.
    Only because Adobe wants to charge a lot for Acrobat. Were PDF as common as .DOC, you'd see more of a slant towards editing them.

    >They are in a closed format
    Isn't the actual format open? For instance, xPDF isn't a hack, it uses the open specs, right?

    >controlled by a litigious company unafraid to use the DMCA for their own questionable ends.
    Yeah, no argument there.

    >The plug-ins are notoriously buggy.
    Another implementation detail. Fix the plugins. I am not aware of something specific to PDF that causes that.

    --
    ZOMG I WOULD LOVE TO KNOW ABOUT YOUR FEELINGS ON MACINTOSH VERSUS WINDOWS, VI VERSUS EMACS, AND HOW YOU'RE NOT A DORK
  23. Insanity inc. by Anonymous Coward · · Score: 0

    From gnu.org (http://www.gnu.org/philosophy/freedom-or-power.ht ml)

    "However, one so-called freedom that we do not advocate is the "freedom to choose any license you want for software you write". We reject this because it is really a form of power, not a freedom. "

    So, RMS should be the universal super-police that dictates what everyone else should do like how they sell/use/whatever with their OWN DAMN SOFTWARE?

  24. MS & PDF by lamj · · Score: 2, Interesting

    I think one of the major resistance that PDF have today is support from major Word Processor. MS Office and most major suite does not support saving as PDF "yet".

    By the way, the most easiest way to covert MS Word doc to PDF without Acrobat would be Adobe's website, they offer 5 free online file conversion (supporting many source formats). Might be useful for some of you.

    1. Re:MS & PDF by troc · · Score: 1

      Nope, the easiest way to convert to pdf is to use the print dialogue box in OS X and print to a file instead of the printer.

      ;)

      --
      Troc's dubious podcast and blog: http://www.trocnet.net
    2. Re:MS & PDF by xtremex · · Score: 1

      The easiest was is to use KDE for your Desktop Manger and choose File | Print to PDF

      --
      If you're not a Liberal in your 20's, then you have no heart.If you're still a Liberal in your 30's you have no brain.
    3. Re:MS & PDF by RDW · · Score: 1

      Even easier:

      http://www.et.dtu.dk/Software/GhostWord/Index.ht ml

      It's a free(beer)ware interface to Ghostscript that works from within MS-Office applications, and enables conversion to a .pdf in two mouse clicks.

    4. Re:MS & PDF by Rude+Turnip · · Score: 1

      I would kill for built-in PDF conversion in Word at our office. You can open up the exact same DOC file on different computers and the pagination will be different, which is a pain if you need to send corrections (hardcopy only) of anything to a client. It all has to do with printer settings and templates and whatnot, but it is no excuse when something as consistent as PDF exists.

  25. Re:Breaking news: Debian breaks the social contrac by Anonymous Coward · · Score: 0

    Watchew talkin' 'bout Willis?
    you sniffin' paint cans agaiine?

  26. I don't know about you... by Viceice · · Score: 2, Interesting

    ... but i feel for publishing purposes, i have yet to see anything with the ease of use of Acrobat. Espcially in publishing, where you have to mail upteen versions of magazine pages etc to clients who arn't technically oriented but whose go ahead for a run is needed.

    Besides, even with pros, acrobat gives WYSIWYG, embeded fonts, compression for text and images and so on.... i think the size overhead for all this is worth every bit it takes up...

    And even if you don't agree, which is more moronic, sending in MS Publisher .PUB or Pagemaker and PDF?

    --
    Sometimes I wish I was a plumber, then I'd know how to deal with other people's shit.
  27. Re:Its nice for what it does, but hardly a revolut by Anonymous Coward · · Score: 0

    This is a score 4 post on a technical forum and he doesn't know the difference between PDF and Acrobat.

  28. PDF Proprietry - what about 'Portable HTML' by WhyteRabbyt · · Score: 2

    I'm surprised no-one (that I'm aware of) has proposed a 'bundled' portable HTML file format that would be non-proprietry, vendor neutral, and immune to problems like the Skylarov case.

    All it would take (IMHO) is an extended HTML document which contained each individual HTML page in < PAGE > < /PAGE > sections, as well as < MEDIA > < /MEDIA> wrappers around text-encoded graphics file. Fonts could possibly also be shipped within the document.

    All the browser would have to be extended to do would be split up the pages, and decode the image information. Or, a simple parser could chop it into its component pages and images. Voila, a single-file multi-part document viewable by any browser.

    Why is this better than a zipped set of HTML pages? For one it misses the unzipping and saving stage, making it as immediate as PDF. Secondly, the PHTML generator would do link checking and remunging ensuring local links within the document was completely self contained.

    Any thoughts?

    --
    free experimental electronic music netlabel at www.viablehybrid.com
    1. Re:PDF Proprietry - what about 'Portable HTML' by epeus · · Score: 2

      There are standrads for doing this already - HTML mail encapsualtes images inline, and the data: URL specifier allows inline base64 images, though most browsers don't implement it.

    2. Re:PDF Proprietry - what about 'Portable HTML' by Matthias+Wiesmann · · Score: 3, Informative

      It has not been proposed because HTML is not a page description language. It's a document structuring language, even if a lot of people do not understand the difference. Its is simply the wrong tool. HTML displays a document using information about its structure (title, paragraphs), to an arbitrary media. A page description language is about describing precisely the graphical structure (x,y position of all elements).

      Take a arbitrary page layout (say a magazine - a paper one), and ask yourself, can I describe this with HTML? The answer is no. HTML and PDF have different goals. Trying to use one for the other is not a good idea. Use the right tool.

      A much better candidate would be the SVG format, which is based on XML, open and has all the needed features. It is a true vector graphic file format. The only problem is, it is not widely supported (and maybe the font embedding mechanism is not as good).

      Then again, PDF does the job nicely -- and is widely supported. While you can embed proprietary features in PDF, so can you with an HTML file (simply by including a GIF file). In fact if you take the current HTML technology, as far as I know, the font embedding mechanism used for HTML is completly proprietary.
      Maybe this issue is more complicated than Adobe = BAD Open Source = GOOD

      As to why PDF has better compression that an compressed html page. The difference is that the compression is done inside the file, so each type of data is compressed with a different compression algorithm. Also PDF has a feature that is called object reuse, the basic idea is that if an element is present multiple time in a document, it will only be stored once (perfect compression if you want). If you design your html document carefully, you can get this, but more often, machine generated html is very redundant.

    3. Re:PDF Proprietry - what about 'Portable HTML' by znu · · Score: 2

      There are also .htmld bundles in OS X. An OS X bundle is really a directory (that shows up as a single file in the file manager), so .htmld bundles are fully backwards compatible, since browsers just see a directory with HTML files and images in it.

      --
      This space unintentionally left unblank.
    4. Re:PDF Proprietry - what about 'Portable HTML' by Simon+Hibbs · · Score: 1

      >I'm surprised no-one (that I'm aware of) has
      >proposed a 'bundled' portable HTML file format
      >that would be non-proprietry, vendor neutral,
      >and immune to problems like the Skylarov case.

      HTML Mail has already be mentioned as a form of this, but I agree that a compressed, packaged HTML bundle format would be usefull.

      Somethign like this already exists, and has for almost a decade. It's a hypertext file format with embedded graphics, including click-maps, that is fully searchable and indexable. I've seen it used for electronic magazines distributed by email, and it's automaticaly supported by all Windows PCs. It's the Microsoft Help file format.

      (Ok, I'm sorry... please don't lynch me. I surrender allready!).

      Simon Hibbs

    5. Re:PDF Proprietry - what about 'Portable HTML' by evilviper · · Score: 2

      The AbiWord way is the right way to do this. Just make a program that can transparently view/edit zipped html/image files.

      With HTML in seperate files than the images, the HTML can be quickly loaded, taking up few resources. The images may or may not be loaded at the user's option, and the font/layout will match the user preferences.

      The best part is that it can easially be edited by hand using modest system resources to view/edit.

      --
      Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
    6. Re:PDF Proprietry - what about 'Portable HTML' by Anonymous Coward · · Score: 0

      In particular: RFC:2557 MIME Encapsulation of Aggregate Documents, such as HTML

      This is what an IE .MHT file is. As far as I know, no other vendor has added support for this format. (Although, see Mozilla bug 40873 even though it doesn't seem to be going anywhere.)

    7. Re:PDF Proprietry - what about 'Portable HTML' by Howie · · Score: 2

      IE 5 & 6 can save any webpage as what MS call a Web Archive. It's actually a multi-part MIME document, the same as used for HTML E-Mail.

      CSS has some allowances for print-specific layout and page breaks. I think between them you'll get what you want, but it won't be as nice and controllable as PDF.

      --
      "don't fall into the fallacy of believing that Perl can solve social problems. Maybe Perl 6 can, but that's a ways off"
    8. Re:PDF Proprietry - what about 'Portable HTML' by WhyteRabbyt · · Score: 2

      It has not been proposed because HTML is not a page description language.
      I doubt if that is correct. There are probably other reasons it may not have been proposed, but that certainly isnt one of them.

      It's a document structuring language, even if a lot of people do not understand the difference.
      Actually the differentation was lost fairly early on in HTML, and was only really made absolute again in HTML 4.
      But thats irrelevant to my point. HTML+CSS gives you content, structure, and page description. Didnt I already mention having all external files incuded in the bundle. Was I talking about something only in terms of page description? Or did you just bring up some arbitrary points with no relevance to what I was saying?

      Its is simply the wrong tool. HTML displays a document using information about its structure (title, paragraphs), to an arbitrary media.
      Actually incorrect, for reasons you have already mentioned. Are you getting yourself confused? An HTML browser does the display. HTML basically only marks up predefined (and somewhat content-null) structural components.

      A page description language is about describing precisely the graphical structure (x,y position of all elements).

      I was talking about a vendor-neutral method of distributing multi-part hypertextual documentation in a single easily-parsed file. Who limited that definition to 'page description language'?

      --
      free experimental electronic music netlabel at www.viablehybrid.com
    9. Re:PDF Proprietry - what about 'Portable HTML' by overunderunderdone · · Score: 2

      It has not been proposed because HTML is not a page description language. It's a document structuring language

      Despite the original intention HTML has almost NEVER been used as a document structuring language but as an easy (and really bad) page description language. Nobody uses HTML to structure their documents; they use it to display their documents. HTML has always been a bastard between page description and document structure and does neither terribly well. It was originally concieved as a document structuring language (with tags like P, STRONG, CITE, BLOCKQUOTE, H1, H2 etc.) but reflecting some confusion between structure and display it always included some display tags. With no other mechanism for defining display, people used the structure tags to define display. People used BLOCKQUOTE not because they were quoting a block of text but because they wanted margins on either side. As it developed HTML was increasingly encrusted with display tags (B, I, FONT, etc.) and hacks, particularly using TABLE to position elements. Because display is what people wanted. Unfortunately since it was never designed to do that it never did it very well and now doesn't do document structure very well either (on the few occasions someone may want to use it for that purpose). Despite these fundamental flaw HTML was a success because it was easy - attempts to address these flaws have undermined that initial advantage.

      This is the gordian knot XML is designed cut. XML will handle document structure and CSS and someday XSL (eXtensible Stylesheet Language) will handle display/page description. Hopefully each component will be both more powerful for their respective function and remain easy to use (XML in my opinion succeeds in this, XSL I don't know enough about but I have high hopes).

    10. Re:PDF Proprietry - what about 'Portable HTML' by dublin · · Score: 2

      'm surprised no-one (that I'm aware of) has proposed a 'bundled' portable HTML file format... All it would take (IMHO) is an extended HTML document which contained each individual HTML page in < PAGE > < /PAGE > sections, as well as < MEDIA > < /MEDIA> wrappers around text-encoded graphics file. Fonts could possibly also be shipped within the document.

      Only last week did I find out there's already a solution that does exactly this: HTMLDOC (See http://www.easysw.com/htmldoc/) It's free as in beer, but not totally free as in speech, since it's GPL'd, limiting your rights much more than a BSD license would. :-)

      It's not a replacement for PDFs at all though: in fact, one of the things it can do is make beautifully formatted PDFs (or PS) from HTML files. It even has some fairly useful formatting options to support books and such.

      This is a very nice program - I am VERY impressed, so much so that I'd like to see full HTML editors that understand the HTMLDOC extended tags in Konqueror, Mozilla, Netscape 6.next, etc., and also see that these and other browsers implement the HTMLDOC filter as a checkbox option when printing an HTML file.

      HTMLDOC supports HTML 3.2 and some 4.0, and is supposed to support type 1 & 2 CSS in the next release.

      Highly recommended. It's clearly not the right format for everything, and it's clearly not a page layout program, but it is applicable in a great many situations. It seems to bridge the gap between web/dynamic, page, and distribution formats quite well. It's even rich enough that a simple word processor could be built using it - perhaps a bit more like "HTMLroff" than Word, but then that's not a bad thing...

      --
      "The future's good and the present is nothing to sneeze at." - Roblimo's last ./ post
  29. Display Ghostscript by krmt · · Score: 2, Informative

    There is actually a free DPS library for X. It's made by Aladdin, the people who brought you Ghostscript, and the package itself is called Display Ghostscript.

    It's actually not complete, and I don't know what's going on with it currently. I had seriously toyed with the idea of writing a window manager based off the library, a la' OSX, but from what I gathered the lib wasn't quite in a useable state. You can get it on debian via "apt-get install libdps" and there are dev packages too.

    I would seriously love to see someone (particularly the Windowmaker & GNUStep team, as it fits them best) create my project of the DPS window manager and Widget set. I don't know how useful it would be, but I think it would definitely compel people to move forward. The URL for DPS programming info is here, if anyone is interested.

    --

    "I may not have morals, but I have standards."

  30. Re:Breaking news: Debian breaks the social contrac by Anonymous Coward · · Score: 0

    Wow... you are so full of shit I can smell you from here.

  31. Re:Its nice for what it does, but hardly a revolut by cowboy+junkie · · Score: 2
    First, the filesize is ridiculous.

    I dunno - the complete 423 page manual for Macromedia's Fireworks (with tons of embedded graphics) is about 6.5 megs and the print quality is light years ahead of the same document reproduced in HTML. That doesn't seem outrageous to me.

    They're non-editable for the most part once you make them.

    I think you're truly asking for magic software that can take input from any existing application, make it universally readable while retaining the formatting and also allow you to make changes to the complex formatting within the document.

    PDF is revolutionary because it enables organizations to easily take documents intended for print and quickly/cheaply make them freely available electronically for a multitude of users. Think of all of the forms, manuals, etc. that are now available because they could just run it through Acrobat.

  32. Re:Its nice for what it does, but hardly a revolut by martinschrder · · Score: 2, Informative
    First, the filesize is ridiculous.
    Compared to what? XML and DOC are usually larger. PDF provides compression (lzw,flate) and the overhead of the file format is relativly small.
    The interface needs a lot of work, unless I have a scrolling mouse I won't even bother reading one. The little hand widget must go. Also, I don't want to have to resize my screen to be able to read half the poorly produced PDFs out there. No use in jumping to the next page when I can only display 2/3 of the current one. So back to the little hand.
    Is this a critic of the Portable Document Format? You are talking about a specific viewer on a specific plattform for that; there are other viewers available (e.g. xpdf, gv, gsview). And even the Acrobat Reader has keyboard interface. You might want to read the manual.
    They're non-editable for the most part once you make them.
    PDF was never intended to be editable (You would know that if you had read the original paper). It's for viewing and sending to the printer. And you can add comments to it. It's great for sending to the printer (or printing house) because it's (in a way) simplified PostScript with all fonts attached.
    They are in a closed format and controlled by a litigious company unafraid to use the DMCA for their own questionable ends.
    PDF is a proprietary open format which can be extended by everyone (you should really check the specification ). And there will be an ISO version of it: PDF/X.
    The plug-ins are notoriously buggy.
    And this is a problem of the file format? Or are you talking about the reader working as a plug-in in your browser? Because the Acrobat plug-ins we use are not "notoriously buggy".
    Its great for sending something straight to the laser printer, but as an on-line advance it really just stinks.
    Show us something better for on-line reading with perfect layout and graphics that prints as intended. XHTML with CSS2? Where do I get a viewer for that that's as small and fast as Acrobat Reader?

    P.S.:And this has a score of 4? :-(

  33. Re:Its nice for what it does, but hardly a revolut by anpe · · Score: 3, Informative

    I'm no Adobe fan, but I've been working on PDF format for a few years and I found it great.

    First, the filesize is ridiculous.

    If you're comparing to plain text, yes. Otherwise, PDF have a built-in format that allows the producer to compress the PDF's streams (ie text and images) with a LZW algorithm.

    They are in a closed format

    These are java libraries for creating and editing PDFs :

    pj[Open Source, GPL]
    Big Faceless[Commercial w/ Evaluation]
    retepPDF[Open Source, LGPL]
    Java Pdf Library[Open Source, LGPL]
    PDFGo[commercial]
    rugPDF0.20[Open Source, LGPL]

    By the way the closed format has an open specification : http://partners.adobe.com/asn/developer/acrosdk/do cs/PDFRef.pdf

  34. Re:Open and available specs? Not quite... by Ryu2 · · Score: 2

    Hey, why the fuck is this moderated as 'Troll'? Have people forgotten the Sklyarov so quickly?

    Are Adobe employees now moderators on Slashdot?

    --
    There's 10 types of people in this world, those who understand binary and those who don't.
  35. Ummmm.... by evilviper · · Score: 2

    Ummmmm, I'm not quite sure how to phrase this;

    is there a non-pdf version available?

    --
    Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
    1. Re:Ummmm.... by stg · · Score: 1

      Yes. Just go to the page. It has the whole text, in plain HTML...

    2. Re:Ummmm.... by Anonymous Coward · · Score: 0
  36. Re:Open and available specs? Not quite... by evilviper · · Score: 2

    That was not PDF, that was their 'eBook' format. Very different indeed.

    Ignorance is often modded down on /. (although not often enough)

    --
    Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
  37. NO, NO, NO by evilviper · · Score: 3, Insightful

    You're right in the fact that it is ridiculous, but for the wrong reasons....

    With HTML, the page contures and changes to match your environment. Width, Height, Font, Color, etc.

    If a web page made up of PDFs is designed on a 1024x768 screen, anyone with a 640x480 screen is really screwed. Imagine Lynx trying to read PDFs!

    PDFs are great for documents that WILL be printed on a standard and consisten sized media (letter-sized paper) but it's serious drawbacks are that it doesn't scale, resize, change fonts etc. Try printing an A4 PDF on letter-sized paper, or vice versa.

    In fact, I've seen PDFs made quite badly. The problem is, the creator holds all the cards, and the user is screwed. With some PDFs, the designers use damn tiny fonts, and huge margins, making the printout look like suck.com. With HTML, we can override the font settings, we set the margins, and in general, the user simply controls exactly how they want it.

    That's the difference. PDFs put the creator in too-much control, and HTML puts the end user's in total control.

    Screw PDF, I like HTML.

    --
    Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
    1. Re:NO, NO, NO by Anonymous Coward · · Score: 1, Insightful

      Yes yes yes, you are right. It is so true. I've noticed a lot lately how many BAD pdf's I've run across, to the point where I avoid opening one whenever possible. They can be slow to download and open, hard to read, cumbersome to navigate through... and the scrolling, scrolling, scrolling! Whatever I do, I can't get the pages to a manageable size for viewing.
      I understand that authors like them because of the control they have, and because the text can't be edited by the end user. Still, it seems to me that there has to be a better way. I'm irritated that it's become the standard, and I just have to live with it.

    2. Re:NO, NO, NO by Anonymous Coward · · Score: 0

      Unless you use cascading style sheets. It's not HTML's fault that authors fail to use it's formatting feature.

    3. Re:NO, NO, NO by evilviper · · Score: 2

      Netscape
      |_ Edit
      |_Preferences
      |_Advanced

      {X} Load Images
      { } Enable Java
      { } Enable JavaScript
      { } Enable Style Sheets

      --

      In HTML, the user can turn off any feature they don't like. With PDF, the creator decides what you will and won't like! Go ahead and use CSS. it will make pages look exactly as you designed them to (to most users) and will look as we wants it to look (for those few of use that disable CSS).

      --
      Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
  38. Hardcoded paper size by Ed+Avis · · Score: 4, Insightful

    In a way, PDF is one of the most idiotic formats for document interchange ever designed. Who exactly thought it would be a good idea to hardcode the paper size?

    At a minimum this means that all internationally distributed PDFs have to come in two variants, A4 and Letter. And you need a screen wide enough to view a whole line of text - no possibility of reformatting into narrower columns for palmtops etc.

    There are plenty of good things about PDF, taken as a way to represent a printed page. But it certainly is not a good format to exchange documents that are meant to be readable by everyone.

    --
    -- Ed Avis ed@membled.com
    1. Re:Hardcoded paper size by Xenu · · Score: 2
      The paper size is an integral part of the document design. If you want to support Letter and A4, you need to create two versions, and check them both for problems. That is a good thing, not a bug.

      With PDF, you know how the document is going to look. It isn't going to get screwed up by all the things that can change the appearance of a Microsoft Word or HTML document, such as fonts and printer drivers.

    2. Re:Hardcoded paper size by bcrowell · · Score: 2
      If you want the features you're talking about, you can use HTML, or you can distribute, say pdflatex source code, which other people can use to produce the paper size they want. HTML is very limited however; it's not a desktop publishing system.

      There is no general, automatic way to reformat a document to different sizes with results that always look good. What about that long equation? A human is going to have to decide how to break it up into two lines if you want a smaller output. What about that big table? A human is going to have to reformat it.

      The more you care about how good your output looks, the less possible it is to do automatic changes on it.

    3. Re:Hardcoded paper size by Ed+Avis · · Score: 1

      The point I was making isn't that PDF is a bad format - it is good at what it does. But that it gets misused as a general method for document exchange when it's really too low-level and restricted to a particular paper size, margins and so on.

      I take back the first part of my earlier comment: PDF is not an idiotic format. It's just idiots who take down working HTML pages and 'improve' them into PDF files which are much harder to read.

      --
      -- Ed Avis ed@membled.com
    4. Re:Hardcoded paper size by markmoss · · Score: 2

      If you want a document to re-format to fit different page sizes and displays, use HTML. PDF is for transmitting a fully laid-out page. You can't do a layout without assuming a page size. Change the page size and the only way a computer can make the layout fit right is "shrink to fit". (That _is_ a checkbox option when printing from Acrobat 4.x.) Otherwise some _human_ is going to have to make decisions about how to rearrange the layout.

      My understanding is that A4 is a few mm narrower and a few mm taller. So printing an A4 pdf to letter page with "shrink to fit" on will give overly wide side margins, but it isn't too bad. Letter to A4 would give a lot of top or bottom margin. I wouldn't mind a few other options in Acrobat -- keep the header and footer at the same position from the top & bottom, and call me if things truly won't fit in between -- but I do get and send PDF's internationally and it's acceptable.

      Palmtops are a problem. They are a lousy way of viewing files, but when you have to, HTML might work, because (if the writer didn't overspecify) it does allow the displaying computer to reformat the text layout to whatever width is desirable. However, HTML often has to be re-written for palmtops. Besides the issue of authoring tools that somehow locked in a minimum width, often people are trying to receive the documents on low bandwidth wireless links. So if you want people to have a good experience viewing your web page on a palm-top, keep the byte count down -- use text only as much as possible, and only as many html tags as strictly needed. Since PDF's tend to be enormous, they won't mix well with palmtops even if you reformatted for the screen size...

    5. Re:Hardcoded paper size by panaceaa · · Score: 1

      Actually, with the onset of Tagged PDF and PDF Reflow, paper size is completely variable. One excellent example of this is the Acrobat Reader for Palm. (Also PocketPC). These completely reformat the PDFs so they are viewable on the extremely skinny displays that PDAs have. In addition, in Acrobat 5 Reader you can reflow your PDF with larger fonts, maintaining the author-intended margins.

      In the future, products like Acrobat Distiller Server will allow for documents to be automatically generated especially for certain display sizes, when reflow alone isn't enough. But for most documents, reflow automatically resizes fonts and margins wonderfully.

    6. Re:Hardcoded paper size by Ed+Avis · · Score: 1

      Automatic reformatting of PDFs is cool. It does get rid of one selling point of PDF, that you have 100% control over how your document will appear. But that's probably not important anyway.

      Hmm, if a PDF contains enough information about the original text to do searching and reformatting, it should be possible to edit the text. I don't imagine Adobe will be putting out a PDF editor any time soon, but it would be a useful tool to have. If only to drive home the point that digital signatures are the only way you can ensure an unmodified document, and 'security through manky file format' doesn't work.

      --
      -- Ed Avis ed@membled.com
  39. Re:Open and available specs? Not quite... by Anonymous Coward · · Score: 0

    Isn't Adobe eBook just PDF with some DRM stuff added?

  40. Adobe's offline mind set by ynotds · · Score: 1

    I won't clutter this with too many "I was there" stories nor add my view of the value of PDF to prepress operations. But ever since Sun rolled over on its support from its own Display PostScript-based Network extensible Window System (NeWS) in the face of the tide of X, I have been intrigued by how Adobe has managed to become so important to the Web without ever really getting it.

    At its heart, Adobe never quite manages to shake its cultural foundation in the (permanent) placement of dots on paper and take on the very different challenge of realising the potential of interactive displays and ever "under construction" documents. (Nor does much of the printing industry but that is another story.)

    Having been seduced by PostScript from the start, how do we now deal with the enigmatic prospect that Adobe also appears to be the driving force behind the great white hope of Scalable Vector Graphics (SVG)?

    --
    -- Our systemic servants do not good masters make.
  41. Camelot is a silly place by JediTrainer · · Score: 1

    At least, according to King Arthur (Monty Python)

    --

    You can accomplish anything you set your mind to. The impossible just takes a little longer.
  42. LaTex? by markmoss · · Score: 4, Interesting

    The computer industry already had a standard format for controlling the layout, fonts, and appearance of printed text. Tex. I'm not real familiar with it, but I know it existed in the 70's, is still around as LaTex, and I think it's not proprietary. So can anyone clarify whether PDF has advantages over LaTex for anyone besides Adobe?

    1. Re:LaTex? by MouseR · · Score: 2

      Tex and LaTex are more a typesetting language. It's aimed at formating text documents.

      Meanwhile, PostScript is much more. It's a programming language designed for laying out page content. You can do some pretty funky stuff with PostScript. I've seena PostScript library (a 'dict') that rendersOpenGL models (not ray-tracing, but surface shading that's still convincing).

      The PostScript/PDF relationship is analogous to C and pre-processed C.

    2. Re:LaTex? by BlueGecko · · Score: 5, Insightful
      Well, you'd want to be comparing PDF to DVI, or the Device-Independent Imaging format, not [La]TeX to PDF. LaTeX simply is a way to mark up the structure of a document and then process that and turn it into a well-formatted, ready-for-print version. DVI is the output files you get after running LaTeX on a source file, and, like PDF, they are platform-independent files that can be viewed at any resolution and used to be used in conjunction with PostScript for printing. My understanding of PDFs vs. DVI is as follows:
      • Both support essentially unlimited resolution (DVI's default measuring unit is the wavelength of light, while PDF uses a point but allows you to go to something like one one-millionth of that)
      • Both support hyperlinks
      • PDF allows you to embed fonts and images easily, while DVI relies on a PostScript renderer to be available for these features
      • PDF allows you to have a table of contents pane for quick navigation, while DVI does not (or, if it does, I've never seen a viewer implement this functionality)
      • I believe both allow you to theoretically embed content in other formats (indeed, as I just said, this is how DVI handles EPS images), but this is much more fully fleshed-out in PDF where one can easily embed movies and audio clips
      • PDF allows forms and "secure content," while DVI does not (and if you followed the Skylarov deal, you know PDF really doesn't either.)

      • and the biggest advantage of PDF:

      • It's far, far more widely available.


      I'm sure there are other differences, but even many people I know simply use pdfLaTeX now to generate PDFs from LaTeX markup instead of the old DVIs, so presumably even they see an advantage in Adobe's format. When it comes down to it, I suspect that PDF's font embedding, better handling of other embedded content, and on top of that simply its pervasiveness are the biggest factors. Anyone is welcome to correct me on any of this, however.
    3. Re:LaTex? by thogard · · Score: 2

      TeX puts letters in boxes and is very good at it. It is not so good at doing things like drawing an image on the background of the page or even vector graphics.

      Most DVI drivers will let you put Postscript into a TeX document that will come out nice on a postscript printer.

      I've been attempting to convert some of our web page catalogn data into TeX so that it prints out better. The text is great but the tables just don't have a modern fluffy look that is so common in modern catalogs.

      I've been using pdflatex which take LaTeX input and makes a pdf file directly.

    4. Re:LaTex? by markmoss · · Score: 2

      Somebody mod bluegecko's post up, please. Very informative. I was wondering if there was a _technical_ advantage to PDF, not just that Adobe flooded the internet with free viewers. (I'd assume there are free viewers for DVI somewhere also.) The answer was, yes. DVI doesn't (easily) embed fonts and images; that's a big point for PDF, and in a good many cases it would decide the issue all by itself.

      "Secure content" I consider a point against PDF -- it won't work, but it provides jobs for lawyers.

      Other than that, how proprietary are these formats? Can you write an open-source/free PDF editor or converter program without running afoul of Adobe patents, copyrights, or trademarks? Has anyone written such programs? And for DVI, same questions.

    5. Re:LaTex? by slashdot2.2sucks · · Score: 1
      "DVI's default measuring unit is the wavelength of light"

      So, uhm, any number between zero and infinity?

    6. Re:LaTex? by pressman · · Score: 1

      They're not open source, but you can pretty handily edit PDF's in Freehand, Acrobat and Illustrator.

      --
      Pooty tweet
    7. Re:LaTex? by BlueGecko · · Score: 2

      You are correct, different colors of light have different wavelengths. I left out the words "shorter than." The actual unit used, IIRC, is slightly inside the infrared spectrum. The DVI documentation clarifies.

  43. Obligatory monty python reference. by bludstone · · Score: 2

    "Camelot"... laid out the foundation for what has become Acrobat/PDF.

    I dont see what the hubbub is.. its only a model.

    --

    no .sig
    1. Re:Obligatory monty python reference. by Salsaman · · Score: 1

      Hehe, just what I was going to post ;-)

  44. Re:About the post by rixster · · Score: 0, Offtopic

    This is a terrible day. I've just read the K5 stuff about it, and I have to agree that a site is supposed to be a "community" site, then it should be run by the community, (as it is suggests), and not by the eds. deciding to -1 you all the time. I guess this post will live for a few seconds before I start burning karma. FWIW, this may be my last post.
    Goodbye /.

    --
    Two wrongs may not make a right, but three ....
  45. Caution with LyX by Doctor+Fishboy · · Score: 1

    Having used LyX for a couple of years, I've found it to be incredibly useful for many simple documents and poster displays. The one gripe that I have, though, is with the conversion to PDFs when you have embedded postscript files, or the page is a non-standard size. The PDF it produces can be very wonky, and/or suffer from the dreaded "embedded bitmapped font" syndrome which makes PDFs about 10 times larger and look shit on a computer screen.

    The good news is that the LyX team are very aware of these kinds of problems and they are very enthusiastic with helping you out, even with simple questions. It's everything you hoped an enthusiastic Linux community would be.

  46. PDF Version? by Anonymous Coward · · Score: 0

    does anyone have this article in PDF version?

    Bitterman

    1. Re:PDF Version? by Anonymous Coward · · Score: 0

      http://www.planetpdf.com/mainpage.asp?webpageid=18 51 links to a PDF version

  47. humor by HenryC · · Score: 1

    Anybody else find it funny that you can download his document, the founder of .pdf, in .pdf format?

  48. Re:Editing not a goal by jjohn · · Score: 2

    I like to think of PDF as an output format only. By using a flexible markup system like Docbook, you can export to a number of formats. PDF is excellent (and often required) by book printers. It provides an unambiguous picture of how a book should be laid out.

    To me, PDF is a lot like a system executable. You write the document in some portable source code, then compile it for a particular need. Of course, this is a very different philosophy than WYSIWYG edits. Oh well.

  49. PDF is bent by Anonymous Coward · · Score: 1, Insightful

    I am amazed to see how much possitive things people have to say about PDF here at /. The popularity of PDF is one of the most broken things about the web. TBL was quite familar with PDF when he invented HTML -- it was the problems with PDF (and word processor formats) that motivated him!

    PDF promotes archaic thinking. Information needs structure not paper-oriented formating! PDF also causes huge amounts of trouble for the blind and others with print handicaps. It is not a proper format for on-line viewing. Its proper place is only for lawyers and others who overly cherish the "original" hard copy document.

    Complain about PDF wherever you encounter it when HTML would be better! HTML can be accessible, but most office suites do such a bad job with their HTML export that authors who have tried that think the PDF will be a better "linga franca". They are wrong.

  50. Re:Its nice for what it does, but hardly a revolut by dr00g911 · · Score: 1

    php also has built-in PDF editing and creation functions as well, FWIW.

    LXXIV. PDF functions (PHP)

    And here's the PDFlib for Perl which allows much of the same functionality (create/modify)

    CPAN PDFLib

    Also, last time I checked, I could still edit PDF files in Acrobat (authoring suite) or Illustrator.

    I also remember programming a bit of Postscript in college as well... do PDF/PS really qualify as closed architectures?

  51. Am I the only person...? by mattlmattlmattl · · Score: 1

    Who's had problems with pdf files?

    When building a site for Lucent in '97 or so, we had to publish documents that included rather detailed images with small text. On many printers around the world, they would not print legibly, and often they were illegible on the screen as well. It took a lot of futzing to get versions that were more broadly printable and we never reallly figured out the problem.

    Then I didn't generate any pdf's until about a month ago when, surprise, the same thing happened! This time in relatively simple forms. The client couldn't print nice copies, so we told her to try a different (newer) printer and of course, that fixed the problem.

    Am I the only one who's seen this? Or is it just an acceptable issue for most people?

    1. Re:Am I the only person...? by Slartibartfast · · Score: 1

      With all due respect, I think you're the one who's goofing, here. Most likely, the printer didn't support the fonts that you'd used. Upgrading the printer was easily the *most* expensive solution: instead, you should've clicked the "download fonts to printer" button in your printer control panel dialog. Of course, I'm saying this while sitting here, but I've *never* had a problem with PDFs when the fonts were all present and accounted for.

  52. Only partially realised? by jabley · · Score: 2, Insightful
    Of course, now it's 2002, and the dream of universal display / printing remains only partly realized; PDFs really have helped to narrow the gap between dream and reality, though.

    NeXTStep realised that dream, as does Mac OS X. Apple is now the largest Unix OS vendor on the planet, so it's fair to say that the majority of Unix systems now realise this dream.

    If we discount Windows users, on the basis that they are not qualified to make informed decisions about anything (or else they wouldn't be using Windows) it looks like that dream has been mainly realised, in fact.

    Hooray!

    1. Re:Only partially realised? by Anonymous Coward · · Score: 0

      How many OS X computers are out there do you suppose? I seriously doubt there are more people using OS X than there are using Linux.

    2. Re:Only partially realised? by Anonymous Coward · · Score: 0

      How many unix flavor do you have?

      You may compare in this meaning RedHat, Windows, OS X which are different vendor but you may not compare Linux, OS X, IRIX, Solaris which are all derived of unix.
      Which UNIX vendor got the biddest market share?
      Solaris, RedHat, Apple, SGI???

  53. Re:Open and available specs? Not quite... by Anonymous Coward · · Score: 1

    What the hell do you think eBook is?!?

    PDF + cheesy encryption.

  54. Cross-platform *win*, dammit. by Slartibartfast · · Score: 1

    "Of course, now it's 2002, and the dream of universal display / printing remains only partly realized; PDFs really have helped to narrow the gap between dream and reality, though."

    Oh, come on -- let's be realistic, here. PDF has succeeded beyond anyone's wildest dreams. Is it perfect? No, but it's far and away as successful as any other multi-platform software that's ever existed, and I certainly am including Java. "Narrow the gap," indeed. It's closed it, for all intents and purposes, except for folks who really, *really* care _exactly_ about what stuff looks like (eg. marketing weenies), and then they should really be using the same s/w as their production agencies/dep'ts, anyway. I guess I'm just defending against your damning with faint praise, since I think that PDF has been a Godsend, right across the board. If it weren't for PDFs, we'd certainly all have to be opening up our favorite docs in Word, nowadays. Instead, we have a reasonably open standard, with the ability to read/generate PDFs with free software, and nevertheless a commercial community to back it up. I entirely fail to see this as the qualified success that Timothy seems to see it as. Note that, as someone else pointed out, NeXT, etc., have done a better job -- but I'm talking about PDF addressing the needs of an imperfect, cross-platform world, not various OSes that have managed to do it right.

  55. Misuse of PDF by Faust7 · · Score: 1

    I just wish some people used the PDF format more wisely. The other day I came across a page that was simply a PDF file containing one image and a little text--stuff that would have been better presented as simple HTML, and would have loaded faster besides.

  56. Re:Its nice for what it does, but hardly a revolut by mugnyte · · Score: 1

    So by this argument, HTML and XML would be an even bigger, more revolutionary, format.

    PDF is no better than DOC - and as MS's market share shows, not used as much as DOC. However, I understand they serve different purposes.

  57. Re:Its nice for what it does, but hardly a revolut by martinschrder · · Score: 1

    Of the java libraries only pj allows reading PDF; the others can only write PDF.

  58. Editing PDF by martinschrder · · Score: 1

    PDF is not editable in general, although there are tools that allow some changes.

  59. Try Mac OS X by Anonymous Coward · · Score: 0

    The PDF format is an open standard. From any OS X application you can generate a PDF. Just go to the Print Preview and you have a great looking PDF you can send to anyone.


    Mac Lover since June, 2001.

  60. Both PostScript and PDF are bad ideas by Animats · · Score: 2
    PostScript and PDF both date from the era of the programmer-oriented word processors, NROFF, TROFF, TeX, and such. Those things were all based on an interpretive model, with the document being represented as a form of executable code.

    That's a terrible idea.

    The basic problem with executable documents is that about all you can do is execute them. Editing them is tough. Conversion to another format is tough (PDF->HTML translation often sucks.) Search engines have trouble indexing executable documents reliably.

    Compare HTML, which is declarative, not executable. It's much easier to do things with an HTML document than a PostScript, PDF, or TeX document. You can reformat for a different screen size, you can view it in a text browser, and you can even listen to it in an audio browser.

    What PDF and PostScript tend to actually look like is a big block of canned code at the the beginning that converts whatever the generating program likes to generate, followed by the actual content in some nonstandard format. That's a pain to deal with.

    Microsoft's .DOC format, while deliberately obscure and inconsistent, is a declarative format which can do most of the things PDF can. But you can also re-edit a .DOC document, which doesn't work on PDF or PostScript.

    Now that we have enough experience with machine-readable documents to know what we need and don't need in the format, we don't have to use executable formats. PDF as a distribution format should go, and PostScript's role should be limited to printing.

    1. Re:Both PostScript and PDF are bad ideas by pressman · · Score: 1

      PDF's are not meant to be edited. They are meant to be distributed. There is always a source document for a PDF that is "distilled". If you need to edit the PDF, you simply edit it's source file (whatever that may be) and re-distill. It's no more difficult than editing a Photoshop file to create a new navigation button for an HTML document. Or can you do that sort of editing in HTML as well and I've just read all the wrong books?

      --
      Pooty tweet
  61. You can do it with Acrobat 5.0 by iamr00t · · Score: 1

    Which converts RDF to RTF.

    1. Re:You can do it with Acrobat 5.0 by Anonymous Coward · · Score: 0

      Great, let me hastily go license a copy for $249.

      Where are my free options?

  62. Some pages can be lost in transmission. by sbguy78 · · Score: 1

    The statement "This page intentionally left blank" makes absolutely certain that there is no information worth reading on that page. Working with engineering documents, I frequently use drawings and specifications that have been faxed or stored on microfilm. If a page was just blank, you could never be sure if:

    1) There was some information there, but it was lost in transmission.
    2) Someone screwed up and copied the document wrong.

  63. yes, as usual by Anonymous Coward · · Score: 0

    like back in 2000 when win2000 was released and MacOS didn't even have virtual memory and multitasking.

    1. Re:yes, as usual by Alan+Partridge · · Score: 1

      the MacOS has had CO-OPERATIVE multitasking longer than Win2K has existed. The lack of protected memory has long been a problem, however.

      --
      That was classic intercourse!
  64. Re:Its nice for what it does, but hardly a revolut by anpe · · Score: 1

    You're right I've written too fast :-(

  65. pstoedit handles PDF by Scott+E.+Johnston · · Score: 1

    pstoedit converts PostScript and PDF to several editable vector-graphic formats: http://home.t-online.de/home/helga.glunz/wglunz/ps toedit/

    1. Re:pstoedit handles PDF by Anonymous Coward · · Score: 0

      Thankfully, it's only another 30000 steps to batch OCR these images into something I can EDIT.

  66. pdf? by Anonymous Coward · · Score: 0

    pdf://

  67. RTF! RTF! RTF! (And I don't mean Read The F...) by namespan · · Score: 2

    Rich Text Format, folks.

    It's not suffectient for EVERY document, but nearly every word processor on the planet can read (and write) them, and you'd be surprised what can be captured in an RTF file.

    The OmniWeb browser uses them for web archives (or did at one time), and I couldn't beleive how beautifully it kept the page appearance the first time I saw it.

    I wonder that more people don't standardize on it.

    --
    Libertarianism is rich wolves and poor sheep playing gambler's ruin for dinner.
  68. PDF is a very poorly documented format by Anonymous Coward · · Score: 0

    I am a programmer and I have built a PDF library for Borland Delphi. My library writes PDF files byte by byte, without using Adobe software.

    The PDF file format is an example of a hard to use command language. We struggled for hours to get text right-aligned, etc.

    The Adobe documentation for PDF has about 800 pages. Unfortunately, it is very badly written. It seems to be written by a somebody who is not a developer, and has no idea how to write documents for developers.

    It may seem that I'm bashing PDF. I am, but for a reason.

    Certainly I wouldn't like this (bad) format to gain ground.

  69. Re:Open and available specs? Not quite... by Xerithane · · Score: 1

    I thought about mod'ing you down for this, but decided to post because I believe that you may need to get a few things straight.

    First off, PS is an open format. It is publicly documented and you can develop freely upon it. What Dmitry did was violating Adobe's IP rights when he released it. This is a fact. Is it right? No. Is the DMCA right? No. But, Adobe's actions in the eBook case have absolutely nothing to do with the openness of the PS format.

    Because of this, you are trolling because you are saying inflammatory and incorrect statements with an intent to get a negative reaction from the croud. The moderation was valid, and you made no valid point in your post.

    To further clarify, you can't say that everything a company does is wrong based off a set of actions. That's called bigotry. Even Microsoft has it's merits of positive contribution to the computing industry. Deal with it, and get off the band wagon.

    --
    Dacels Jewelers can't be trusted.
  70. Re:Open and available specs? Not quite... by Ryu2 · · Score: 2

    PS != PDF!
    PS != eBook!

    My valid point was that PDF and its eBook derivative format is NOT open or free, if Dmitry is "violating" IP rights.

    Furthermore, I never said everything Adobe does is wrong. Stop stuffing words into my mouth.

    --
    There's 10 types of people in this world, those who understand binary and those who don't.
  71. Re:Open and available specs? Not quite... by Xerithane · · Score: 1

    Uhm, PS == Open Format. Go re-read the thread.

    I was also discussing your mentality. Relating two non-relating things by a sad legal incident is, at best, stupid and wrong. PS is FREE. PS is OPEN. No matter how much you want to distort your reality, that fact remains.

    Deal with it. Also, learn the difference between PS and PDF, k?

    --
    Dacels Jewelers can't be trusted.
  72. Re:Open and available specs? Not quite... by Ryu2 · · Score: 1

    Also, learn the difference between PS and PDF, k?

    WTF? I never said anything about PS. Did I mention 'PS' in my original post? NO! I certainly know the difference between PS and PDF. YOU were the one who erroneously used the term 'PS' in your reply to me.

    I said PDF was not open. I used Dmitry and the eBook case as an example, because if PDF (and by extension, eBook) was open, why would Dmitry have any "IP rights" to violate anyways, if he's just following/documenting a standard? (ie, not re-using copyrighted Adobe code, etc)?

    --
    There's 10 types of people in this world, those who understand binary and those who don't.
  73. A few comments from someone who's actually used it by oneiros27 · · Score: 2

    The main problem I see is that its designed to reproduce print-like quality, which is great for when you need a hard copy, but the trend to turn PDF into a lazy man's HTML is definately for the worse.

    PDF should not be used as a replacement for HTML. Just as people should be shot for making flash only sites, they should be shot for just slapping a bunch of images or PDFs up, and calling it a 'website'. PDF has its uses, and the problem is that there are still a fair number of folks using the technology incorrectly. Likewise, there are folks who still try to send HTML e-mails to me. You'll do better if you attempt to educate folks about the technology than just blowing it off.

    First, the filesize is ridiculous.

    Yes and no. When handled correctly, it's quite reasonable. The problems are when someone scans in a 50 page document, and saves it all as images, with no compression, and you're looking at 65-70k per page. When you start comparing similar, correctly formatted items (not too many folks have graphics laden 300 page manuals in MS word hanging around), but when you compare it to a similar EPS file, or even something pre-press, like Quark or PageMaker, it's about right. For those folks who need to have the memo or whatever saved electronically exactly as it came in, well, there's options for

    The interface needs a lot of work, unless I have a scrolling mouse I won't even bother reading one. The little hand widget must go. Also, I don't want to have to resize my screen to be able to read half the poorly produced PDFs out there. No use in jumping to the next page when I can only display 2/3 of the current one. So back to the little hand.

    This is an application issue, and not a document standards issue. Personally, I use the pageup/pagedown keys normally.

    They're non-editable for the most part once you make them.

    Yet another pre-conceived falsehood. The problem is that you have Acrobat Reader, which only reads PDF files. There's a similar companion program for MS Word for those who want to read MS Word files, but don't want to shell out to be able to write them.

    However, in this case, last year, when my roommate was entering the Games Workshop WH40k Grand Tournament, they had put up the application as a PDF. Unfortunately, wanted you to print it out, and write in the fields. I don't like that concept, so I opened it up in a full copy of Acrobat, and make it a little more functional. (added some fields, some automatic calculations, etc.)

    They are in a closed format and controlled by a litigious company unafraid to use the DMCA for their own questionable ends.

    *yawn*. You're starting to pull at straws, man. You could make that argument about just about any company who had a software product that they're not giving away for free. If you want to talk about some real hard asses, look up Kodak's Picture CD format.

    The plug-ins are notoriously buggy.

    Once again, straws. I'm guessing my definition of 'notorious' and yours differ greatly. It's rock-solid on a Mac. You might just want to move to a more stable OS.

    Its great for sending something straight to the laser printer, but as an on-line advance it really just stinks.

    Once again. You have to look at folks who use it correctly. There are times when PDF is the better format. Any sort of application or form that needs to be printed and signed can be filled on online, then printed, signed, and sent in. You get your pretty-printed version, and you reduce text-entry and the possibility for user error on the backend. [You just queue it up, and have someone verify they didn't change anything when you get the signed copy].

    Personally, I feel that Flash and HTML3 were crappy advancements, due to the amount that people misuse them. The same with JavaScript and CSS. There are right times, and wrong times for just about any technology. There will never be one product which will solve every problem that folks might have, and to think that it might ever happen is just plain ignorant. PDF fills certain niche markets better than HTML ever will. Likewise, HTML better fills other niches. Just because you don't have the same uses that other folks have doesn't mean the product 'just stinks'.

    --
    Build it, and they will come^Hplain.
  74. Re:Open and available specs? Not quite... by Xerithane · · Score: 1

    Ok, you responded to a thread about the openness of PS and clarity about the trademark issues and the Adobe PS RIP sayin that PDF was not open and brought Dmitry's case into it to add extra emotional excitement.

    You don't even make any sense anymore. I wish I would have just modded you down, which is a practice I typically don't do but you have proven yourself stupid and misinformed.

    --
    Dacels Jewelers can't be trusted.
  75. YES YES YES by olman · · Score: 1

    I suppose that's what the "page resize/rotate" option does in print options.

    I print letter docs on A4s at work all day long, no problem.

    1. Re:YES YES YES by evilviper · · Score: 2

      At that point, you are either wasting space, or distorting the Fonts/Images to fit the page. In other words, there's no reason to use PDF anymore if you aren't getting the exact same result as the source.

      --
      Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
  76. Create Adobe PDF Online by panaceaa · · Score: 1

    The five free online file conversions that lamj mentioned are available at CreatePDF.Adobe.com. It allows you to convert from almost any document format, and even optimize for print or regular display. It will even let you to password protect the PDFs it produces, though this may require the non-trial version.

  77. PDFs are not suitable for online reading by Lord_Scrumptious · · Score: 1

    Adobe promote PDF as an all-round solution for both printing and online reading. But anyone who wants a lightweight, cross-platform document format for online display should choose HTML.

    Although PDFs can contain features like bookmarks and hyperlinks, these simply aid navigation through the document, they don't make reading a PDF any easier on the eye (admittedly, Adobe have developed their own on-screen anti-aliasing technology called CoolType which improves font display on LCD screens).

    The simple fact is: HTML is a more accessible format for online display. With a well-designed HTML page, users can enlarge text and have it reflow around graphics etc. All you can do with the majority of current PDFs is zoom in to a page (and then scroll awkwardly left and right if the page doesn't fit on the screen). Version 5 of Acrobat now has the facility to allow text reflow and re-sizing. But taking advantage of this feature means giving up some of the layout certainty that attracts many document designers in the first place! What this really demonstrates is that one size does not fit all!

    Paper and online reading habits are different and they need different approaches. The current PDF solution may work well for printing documents, but works poorly as an online medium. Consider that every decent book on HTML states that designing for the page and designing for the screen are quite different, so how can a faithful reproduction of a printed page be appropriate for online viewing?

    Although HTML and stylesheets do not match the precise layout control that PDFs provide, it seems to me they represent a much better way forward for cross-platform document creation.

  78. PDF = useless: Thanks God for Google by cyberlawyer · · Score: 1

    Once a document has been converted to PDF it is pretty much useless as a document. It can't be edited, it can't be imported into another format such as .SWD, it's difficult and slow to search etc. This is because it's been converted to what is basically a graphic format.

    PDFs are a pain in the neck. They take forever to download.

    I'm just thankful for google's "view as HTML" feature which allows those anoying PDFs to be viewed and searched more quickly and saved in a text format if need be.

    For those rare occasions when I truly want a photograph of a document e.g. a letter with a signature or official seal stamped on it I find it much more useful to scan the document and save it as a gif.

    FWIW,
    Steve

    --
    *** Please visit my homepage for news and info. about trademark law, domain-name disputes and other e-commerce issues
    1. Re:PDF = useless: Thanks God for Google by pressman · · Score: 1

      PDF has to be simply one of the most useful document formats I've ever come across. They can be made from just about ANY source; Word, Illustrator, Freehand, Photoshop, Quark, PageMaker, InDesign, Excel, PowerPoint.... you name it. You are not dependent on a text editor and finicky browser rendering engines. You can embed low res or high res graphics as well as vector information. Fonts can be embedded. You can embed color profiles and create files in both RGB and CMYK. It can compress images to ridiculously small sizes. They are navigable and can embed a wide variety of media.

      The world is larger than the web browser. Check it out.

      --
      Pooty tweet
  79. Wouldn't it be more appropriate... by anonymous+loser · · Score: 2

    ...to publish it as a pdf document instead of HTML?

  80. Use DjVu by Anonymous Coward · · Score: 1, Interesting
    DjVu is a document/image format that has many advantages over PDF:
    • the files are smaller and display a whole lot faster.
    • unlike PDF, it has no portability problems due to fonts, plug-ins, out-of-sync versions, encryption, etc..... Documents look exactly identical down to the pixel on every platform.
    • it's perfect for scanned documents and photos (PDF does a terrible job at that)
    • it is GPL'd , although the best compressors are commercial (like with MPEG).
    • there are free conversion servers here, and here.
    • the wiewer is 1.5MB (Acroread is 16MB).

    Yeah, I'm biased, but still....

    - AC

  81. Guess what by Anonymous Coward · · Score: 0

    Guess what dipshit... 'Cheesy Encryption' IS NOT an open standard, making eBook NOT an open standard.

  82. FLAMEBAIT????? by PhilHibbs · · Score: 2

    WTF? All I said is I don't like the PDF format, I find it awkward to use! Will the moderator please GO FUCK HIMSELF, how's that for flamebait? Bring it on!

  83. Size? by kimihia · · Score: 1

    No, size is not ridiculous. Here's the file sizes for an A4 sheet, mainly text with line art, exported as an ASCII format PDF and also exported as a 96dpi PNG image:

    176k game.png
    68k game.pdf

    Hmm? Ridiculous?