Quote:
Originally Posted by AlanHK
Sigil's "Metadata Editor" can add a UUID.
But for some reason, it does not show the existing one or allow you to edit it, or enforce its "uniqueness".
You can add a new UUID with this, and epubcheck doesn't complain there are two UUIDs.
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Yes, of course; you can also manually add or change it by editing the opf directly. But then you have to generate the UUID first somewhere, add it to the file... If it's a one-time thing it's not a big deal, but if you have to do that to a lot of books it's time-consuming.
Quote:
Originally Posted by AlanHK
I don't know what real-world effect the UUID has.
Before I even knew the UUID existed, I know I created many epubs by cloning an existing one and replacing text. So they would all have the same UUID.
But they all worked and never had any issues.
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Yes, I'd be very surprised if it had any incidence at all from a reader's perspective. I guess it might be important for reference. For my own personal use I am not particularly bothered one way or another but for clients I hold myself to a stricter standard. And just on principle if a thing is explicitly called a "unique" ID then I feel like it shouldn't be the same as the ID of a radically different file.
Anyway maybe this is outside the scope of this particular plugin, in which case apologies for the digression.