Amazon KFX Exporter

UniversalKfxExporter compiles eBooks into native Amazon KFX b"CONT" containers with fragment indexes and CBOR/Ion binary symbol tables.

use ebook_rs::{Book, UniversalKfxExporter};

let book = Book::from_file("input.epub")?;
let kfx_bytes = UniversalKfxExporter::export(&book)?;
std::fs::write("output.kfx", kfx_bytes)?;
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