Quote:
Originally Posted by crutledge
The tool doesn't like any header. What is a "XML NMTOKEN"?
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An XML NMTOKEN ís "IDPF speak" for "valid id/name value." You used
Code:
<meta content="2014/11/29" name="dcterms.date of publication" />
which is invalid, because id/name attributes must not contain spaces. If you replace them with dots the error will go away. However, you might as well delete all <meta content=...> entries, because, AFAIK, no reading app actually uses them.
You may want to define these entries in Sigil's Metadata Editor instead.