EPUB (short for electronic publication; sometimes styled ePub) is a free and open e-book standard by the International Digital Publishing Forum (IDPF). Files have the extension .epub. EPUB is designed for reflowable content, meaning that an EPUB reader can optimize text for a particular display device. EPUB also supports fixed-layout content. The format is intended as a single format that publishers and conversion houses can use in-house, as well as for distribution and sale. It supersedes the Open eBook standard. History EPUB became an official standard of the IDPF in September 2007, superseding the older Open eBook standard. In August 2009, the IDPF announced that they would begin work on maintenance tasks of the EPUB standard. Two broad objectives were defined by this working group: "One set of activities governs maintenance of the current EPUB Standards (i.e. Features File format Version 3.0.1 (current version) Version 2.0.1 <? .opf file <? .ncx file <?
Related: ebook project
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