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The file spec released by Adobe (http://www.adobe.com/devnet-apps/photoshop/fileformatashtml/ http://www.adobe.com/devnet-apps/photoshop/fileformatashtml/) is a

• Zev 13y ago
  I can't speak to its accuracy, but, June 2013 wasn't yesterday. It isn't that old -- and it isn't like there's been a release of Photoshop in the past month and a half, so, it seems pretty recently updated.
  • ricardobeat 13y ago
    recent publish date != up-to-date content
• ejstronge 13y ago
  A bit off-topic, but is there a spec for Illustrator files? It seems the only one I see on Google is from an old version of AI...
  • kellysutton 13y ago
    Not yet, but there's always next week...
  • scardine 13y ago
    Some AI files can read as PDF (try to rename them and see if your reader can open it).
  • TheZenPsycho 13y ago
    As noted, newer illustrator files are just PDF's (perhaps with extra data for editing). Older illustrator files are in fact, EPS files. This is somewhat tricky since, an EPS is not actually so much a data format as it is a turing complete programming language. Sooo... yeah, who knows what black magic they did to pull off reliably reading and writing it.
    • gcr 13y ago
      You can read an EPS file by interpreting it and remembering the shapes it renders on the page. You can write an EPS file by emitting your list of shapes without using the turing-complete features of the language. Not that hard, at least conceptually.
      • TheZenPsycho 13y ago
        That's all fine and good at least up until you have to kern a line of text. Then what?