eBook publication in accordance to the Open eBook Standard requires a package file (.opf file) to be converted into system- dependent format. requires a package file for each eBook.
Package files are XML-style files that like all others XML files are largely lower-case throughout (the exceptions are the various "dc:Metadata" tags).
Sample (given in Microsoft ® Reader SDK):
package unique-identifier="isbn">
<metadata>
<dc-metadata
xmlns:dc="http://purl.org/metadata/dublin_core"
xmlns:oebpackage="http://openebook.org/namespaces/oeb-package/1.0/">
<dc:Title>Great Expectations</dc:Title>
<dc:Contributor role="aui">Stanley Weintraub</dc:Contributor>
<dc:Contributor role="art">Robert Braithwaite Martineau</dc:Contributor>
<dc:Creator file-as="Dickens, Charles" role="aut">Charles Dickens</dc:Creator>
<dc:Coverage>19th Century England</dc:Coverage>
<dc:Date>July, © 2000</dc:Date>
<dc:Identifier id="isbn">0-451-52671-6</dc:Identifier>
<dc:Language>en</dc:Language>
<dc:Publisher>Penguin Putnam Inc.</dc:Publisher>
</dc-metadata>
<x-metadata>
<meta name="ms-chaptertour" content="chaptertour"/>
</x-metadata>
</metadata>
<manifest>
<item id="content" href="Dickens_Expect.htm" media-type="text/x-oeb1-document" />
<item id="about" href="Dickens_About.htm" media-type="text/x-oeb1-document" />
<item id="coverstandard" href="GEcover.jpg" media-type="image/jpeg" />
<item id="thumbstandard" href="GEthumbnail.jpg" media-type="image/jpeg" />
<item id="titlestandard" href="GEtitle.jpg" media-type="image/jpeg" />
<item id="cover" href="Dickens480.jpg" media-type="image/jpeg" />
<item id="thumb" href="Dickens090.jpg" media-type="image/jpeg" />
<item id="plate 1" href="kit.jpg" media-type="image/jpeg"/>
<item id="plate 2" href="havisham.jpg" media-type="image/jpeg"/>
<item id="plate 3" href="jaggers.jpg" media-type="image/jpeg"/>
</manifest>
<spine>
<itemref idref="content" />
</spine>
<guide>
<reference type="toc" title="Table of Contents" href="Dickens_Expect.htm#TOC" />
<reference type="other.ms-coverimage-standard" title="cover image standard" href="GEcover.jpg" />
<reference type="other.ms-thumbimage-standard" title="thumb image standard" href="GEthumbnail.jpg" />
<reference type="other.ms-titleimage-standard" title="title image standard" href="Getitle.jpg" />
<reference type="other.ms-coverimage" title="PPC cover image" href="Dickens480.jpg" />
<reference type="other.ms-thumbimage" title="PPC thumbnail image" href="Dickens090.jpg" />
<reference type="other.ms-firstpage" title="" href="Dickens_Expect.htm#p1"/>
<reference type="title-page" title="" href="Dickens_About.htm"/>
</guide>
<tours>
<tour id="chaptertour" title="chapter tour">
<site title="ch1" href="Dickens_Expect.htm#Ch1"/>
<site title="ch2" href="Dickens_Expect.htm#Ch2"/>
<site title="ch3" href="Dickens_Expect.htm#Ch3"/>
<site title="ch4" href="Dickens_Expect.htm#Ch4"/>
<site title="ch5" href="Dickens_Expect.htm#Ch5"/>
<site title="ch6" href="Dickens_Expect.htm#Ch6"/>
<site title="ch7" href="Dickens_Expect.htm#Ch7"/>
<site title="ch8" href="Dickens_Expect.htm#Ch8"/>
<site title="ch9" href="Dickens_Expect.htm#Ch9"/>
<site title="ch10" href="Dickens_Expect.htm#Ch10"/>
<site title="ch11" href="Dickens_Expect.htm#Ch11"/>
<site title="ch12" href="Dickens_Expect.htm#Ch12"/>
<site title="epilogue" href="Dickens_Expect.htm #Epilogue"/>
</tour>
</tours>
</package>
See also: