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This scheme could be used to replace the existing tag browser category icon selection. I didn't do that because the risk seemed high. The category icon dict is used in several places and in plugins. It also has meaning for search and user categories, where the new value icon stuff doesn't. If the new facilities are not used then performance risk is near zero. Performance shouldn't be an issue if used because the icon dictionaries scale well. The exception might be templates. We have no control over the complexity or performance of user-written templates. This PR fixes a few bugs I found while implementing the new feature.
calibre
calibre is an e-book manager. It can view, convert, edit and catalog e-books in all of the major e-book formats. It can also talk to e-book reader devices. It can go out to the internet and fetch metadata for your books. It can download newspapers and convert them into e-books for convenient reading. It is cross platform, running on Linux, Windows and macOS.
For more information, see the calibre About page.
Screenshots
Usage
See the User Manual.
Development
Setting up a development environment for calibre.
A tarball of the source code for the current calibre release.
Bugs
Bug reports and feature requests should be made in the calibre bug tracker at Launchpad. GitHub is only used for code hosting and pull requests.
Support calibre
calibre is a result of the efforts of many volunteers from all over the world. If you find it useful, please consider contributing to support its development. Donate to support calibre development.
Building calibre binaries
See Build instructions for instructions on how to build the calibre binaries and installers for all the platforms calibre supports.
calibre package versions in various repositories
