我在OPF
文件中添加了以下内容。
<?xml version="1.0" encoding="UTF-8"?>
<package xmlns="http://www.idpf.org/2007/opf" version="3.0" xml:lang="en" unique-identifier="pub-id">
<metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
<dc:type>ePub</dc:type>
</metadata>
但Epub 验证器出错。http://validator.idpf.org/
element "dc:type" not allowed here; expected the element end-tag or element "dc:contributor", "dc:coverage", "dc:creator", "dc:description", "dc:format", "dc:identifier", "dc:language", "dc:publisher", "dc:relation", "dc:rights", "dc:subject", "dc:title", "link" or "meta"
如何type
在文件中添加元数据元素OPF
?