KOReader is an open-source, multi-format document viewer designed primarily for E Ink devices like Kobo, Kindle, PocketBook, and Android tablets
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Reading & Progress Synchronization
1. Progress Sync (prog_sync)
One of KOReader’s killer features, this plugin allows you to synchronize reading position across multiple devices. Perfect if you read on a Kobo at home and a PocketBook on the go.
Then, he saw the error message flash across the Wall: ERROR: FONT EMBEDDING INVALID.
