> On 11 Sep 2018, at 13:13, Eli Zaretskii via Unicode <unicode@unicode.org> > wrote: > > In Emacs, each raw byte belonging > to a byte sequence which is invalid under UTF-8 is represented as a > special multibyte sequence. IOW, Emacs's internal representation > extends UTF-8 with multibyte sequences it uses to represent raw bytes. > This allows mixing stray bytes and valid text in the same buffer, > without risking lossy conversions (such as those one gets under model > 2 above).
Can you give a reference detailing this format?