RFC 7932, Brotli Compressed Data Format, https://www.rfc-editor.org/rfc/rfc7932.txt
rfc7932.txt sha256 394abd1879e016f4eac89512c2acaf92f7b2d67feb8ab58b6b118c213be07146
dictionary.bin: Appendix A; transforms.bin: Appendix B; context.bin: section 7.1 (regen.py)
