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Two questions:
Is the absence of pants on some NPCs in Flotsam deliberate? This seems like a strange and hilarious bug, if not.
Do you have to hold onto diagrams and formulae in order to use them? Or is it like Witcher 1, where you read a book and store it in Geralt's vast memory.

Thanks :)
I came here to pose the question about formulae myself. You can't use/read them, so either you can only craft the item while the formula/recipe/diagram is in your inventory or it's saved as soon as it enters your inventory and you can sell it.