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Ruby is a dynamic programming language known for its simplicity and productivity. RB files contain the source code of programs written in Ruby and can include definitions of classes, methods, variables, and other language elements.
More informationOEB, which stands for Open eBook, is an open standard for the creation and distribution of electronic books. This format allows the inclusion of text, images and other media within an electronic book. The OEB standard was developed to provide interoperability between different e-book reading devices and software. With the OEB format, publishers can create e-books that are compatible with a variety of devices and reading platforms.
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