https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47781
--- Comment #26 from joseph at codesourcery dot com <joseph at codesourcery dot com> --- It's hard to define something that is sufficiently general to be useful but doesn't expose too much of the details of GCC's internal data structures for describing standard formats. %b for binary is now a standard C23 format and supported for GCC 12 and later.
