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EPUB: Difference between revisions
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When using reflowable EPUB, there's no real concept of a page, and thus no real concept of footnotes. One can move them to the end of a chapter, but an arguably better solution is a popup. Enclose the footnote text in an <tt>aside</tt> tag ala: | When using reflowable EPUB, there's no real concept of a page, and thus no real concept of footnotes. One can move them to the end of a chapter, but an arguably better solution is a popup. Enclose the footnote text in an <tt>aside</tt> tag ala: | ||
<syntaxhighlight lang="html"> | <syntaxhighlight lang="html"> | ||
<aside epub:type="footnote" id="SOMEID"> | <aside hidden="hidden" epub:type="footnote" id="SOMEID"> | ||
<div class="footnote"><a href="#CALLSITE">*</a> Footnote text.</div> | <div class="footnote"><a href="#CALLSITE">*</a> Footnote text.</div> | ||
</aside> | </aside> | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Use of <tt>epub:type="footnote"</tt> ought result in the text being hidden. | Use of <tt>epub:type="footnote"</tt> ought result in the text being hidden, but you might need <tt>hidden="hidden"</tt> in your <tt>aside</tt> tag. Unfortunately, this latter causes problems with the popup text in Calibre (at least version 7.4). | ||
Wrap the callsite with an <tt>a</tt> tag: | Wrap the callsite with an <tt>a</tt> tag: | ||
<syntaxhighlight lang="html"> | <syntaxhighlight lang="html"> | ||
<a epub:type="noteref" href="#SOMEID" id>Callsite text.</a> | <a role="doc-noteref" epub:type="noteref" href="#SOMEID" id>Callsite text.</a> | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Without <tt>role="doc-noteref"</tt>, you will not get a popup in Calibre. | |||
===Entities=== | |||
EPUB3 eliminates all but a few HTML entitites. | |||
* &nbsp; ↦ &#160; | |||
==See also== | |||
* [https://kindlegen.s3.amazonaws.com/AmazonKindlePublishingGuidelines.pdf Kindle Publishing Guidelines] from Amazon | |||
Latest revision as of 04:56, 7 February 2024
EPUB (in version 3.3 as of 2023-12-21) is a container for ebooks using ZIP for its archive and compression. Most of the content is XHTML or media (usually graphics).
Contents
- There must be a file mimetype in the toplevel containing the string application/epub+zip
- There must be a directory META-INF in the toplevel containing:
- container.xml specifies one or more rootfiles, using their locations relative to the toplevel:
<?xml version="1.0"?> <container xmlns="urn:oasis:names:tc:opendocument:xmlns:container" version="1.0"> <rootfiles> <rootfile full-path="PATHPATHPATH" media-type="application/oebps-package+xml"/> </rootfiles> </container>
EPUB-specific markup
Ensure you've referenced xmlns:epub="http://www.idpf.org/2007/ops in your html tag.
When using reflowable EPUB, there's no real concept of a page, and thus no real concept of footnotes. One can move them to the end of a chapter, but an arguably better solution is a popup. Enclose the footnote text in an aside tag ala:
<aside hidden="hidden" epub:type="footnote" id="SOMEID">
<div class="footnote"><a href="#CALLSITE">*</a> Footnote text.</div>
</aside>
Use of epub:type="footnote" ought result in the text being hidden, but you might need hidden="hidden" in your aside tag. Unfortunately, this latter causes problems with the popup text in Calibre (at least version 7.4). Wrap the callsite with an a tag:
<a role="doc-noteref" epub:type="noteref" href="#SOMEID" id>Callsite text.</a>
Without role="doc-noteref", you will not get a popup in Calibre.
Entities
EPUB3 eliminates all but a few HTML entitites.
- ↦  
See also
- Kindle Publishing Guidelines from Amazon
