Portable EPUBs. Will Crichton digs into the reasons people still prefer PDF over HTML as a format for sharing digital documents, concluding that the key issues are that HTML documents are not fully self-contained and may not be rendered consistently.
He proposes “Portable EPUBs” as the solution, defining a subset of the existing EPUB standard with some additional restrictions around avoiding loading extra assets over a network, sticking to a smaller (as-yet undefined) subset of HTML and encouraging interactive components to be built using self-contained Web Components.
Will also built his own lightweight EPUB reading system, called Bene—which is used to render this Portable EPUBs article. It provides a “download” link in the top right which produces the .epub file itself.
There’s a lot to like here. I’m constantly infuriated at the number of documents out there that are PDFs but really should be web pages (academic papers are a particularly bad example here), so I’m very excited by any initiatives that might help push things in the other direction.
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