> "JBIG2" and its derivative "JB2" I don't belive that's correct; it's rather the other way round. https://github.com/barak/djvulibre/blob/release.3.5.28/libd

> "JBIG2" and its derivative "JB2" I don't belive that's correct; it's rather the other way round. https://github.com/barak/djvulibre/blob/release.3.5.28/libdjvu/JB2Image.h#L75 https://github.com/barak/djvulibre/blob/release.3.5.28/libdj... > JB2 has strong similarities with the forthcoming JBIG2 standard developed by the "ISO/IEC JTC1 SC29 Working Group 1" which is responsible for both the JPEG and JBIG standards. This is hardly surprising since JB2 was our own proposal for the JBIG2 standard and remained the only proposal for years. The full JBIG2 standard however is significantly more complex and slighlty less efficient than JB2 because it addresses a broader range of applications.