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Old 12-28-2017, 11:22 AM   #13
dwig
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Quote:
Originally Posted by primetime34 View Post
If I open the xhtml files in a text editor, I get the same garbled set of random characters that I get when I open them in calibre.

Opening it in the calibre editor shows me the same set of random characters.

I don't know what the error checking routines are...

Thanks
It sounds like the book does have a form of DRM, a proprietary type that doesn't "lock" the container but instead encodes the xHTML files. Their custom app would then use its internal "Magic Decoder Ring" to decode the content.
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