First of all I have to say i'm impressed and surprised by your extensive reply, it's not taken for granted and I want to thank you for explaining everything in such great detail.
I am familiar with HTML 4.01 and HTML5 standards, however, it never crossed my mind to use the doctype declaration since other ePubs were passing validation via ePubCheck for ePub3. Thanks for pointing out the correct form, I was wondering actually why Calibre automatically inserts a meta tag for charset, I guess next time I need to stop and think before I do
I have used an online URL escape tool via google search, input data was:
Output data:
Quote:
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http%3A%2F%2Fhebrewbooks.org%2Fpdfpager.aspx%3Freq %3D22413%26amp%3Bst%3D%26amp%3Bpgnum%3D19
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Now the:
Quote:
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value of attribute "href" is invalid; must be a URI
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error is gone but I get a new one:
Quote:
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'Text/http://hebrewbooks.org/pdfpager.aspx': referenced resource missing in the package.
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Do I really need to declare each link resource in the content.opf file for it to get passed validation or am I doing something wrong?
Calibre says:
Quote:
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The resource pointed to by this link does not exist. You should either fix, or remove the link.
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I assume the url conversion is not supported or something similar...