Duplicates: https://bugs.launchpad.net/ubuntu/+source/calibre/+bug/1894061 https://bugs.launchpad.net/ubuntu/+source/calibre/+bug/1898904 https://bugs.launchpad.net/ubuntu/+source/calibre/+bug/1899259 https://bugs.launchpad.net/ubuntu/+source/calibre/+bug/1899296
Duplicates: /bugs.launchpad .net/ubuntu/ +source/ calibre/ +bug/1894061 /bugs.launchpad .net/ubuntu/ +source/ calibre/ +bug/1898904 /bugs.launchpad .net/ubuntu/ +source/ calibre/ +bug/1899259 /bugs.launchpad .net/ubuntu/ +source/ calibre/ +bug/1899296
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