Quote:
Originally Posted by BetterRed
 I was hoping someone might know what they were. I thought they might be an artefact of some cover creation gadget, do they get copied by a Copy to library?
Good to know someone reads my posts
BR
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Not sure if they get copied or not. However it does not seem to really matter as Calibre2opds will regenerate such files if needed the next time it is run. It is just that saving them between runs provides a significant runtime optimisation.