Quote:
Originally Posted by Rev. Bob
Uh, no. That’s not even remotely connected to my diagnosis. See the attached thumbnail – the same one you posted, but now with a bonus red box to highlight the option where you’re telling Modify to break your fonts.
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I did some digging to find out just where that dc:identifier line was removed since the code used for the Adobe DRM removal did not seem to be capable of detecting a dc:identifier tag. I first removed the check from Remove Adobe resource DRM meta tags. Ran ModifyEpub and the dc:identifier line disappeared. Removed the checks in the Known Artifacts section and the dc:identifier line disappeared. Removed the checks from each section in turn leaving only the Metadata, section and shock and disbelief, the dc:identifier line disappeared. At this point the only checkbox left checked was the update metadata checkbox. So I removed that check box and checked the Strip spans checkbox. The dc:identifier line stayed.
At this point I would have to say that this disappearance has nothing to do with removing Adobe DRM and is (IMNSHO) a bug in the metadata update routine within calibre itself.
As a crosscheck, I opened the epub in calibre's editor and the dc:identifier line had disappeared when I opened the content.opf file. Nastily, even if I opened the book and closed the calibre processes from Task Manager, the change in content.opf was still saved.