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- Wait, email and epub are just html? - points gun Always has been.

• rchaud 6y ago
  clearly it's not just html because if it was, dragging an epub file into the browser would display the book in a navigable format.
  • adjav 6y ago
    Yeah, it's compressed HTML/CSS with some additional XML files for use in navigation and DRM support.
• theandrewbailey 6y ago
  Except for the time when email was plain text only.
  • mattl 6y ago
    Or NeXT RTFd