On 9/5/23 15:44, Chet Ramey wrote: > On 9/5/23 4:32 PM, Dragan Simic wrote: >> On 2023-09-05 22:25, Chet Ramey wrote: >>> On 9/5/23 3:58 PM, enh wrote: >>>> On Fri, Sep 1, 2023 at 6:59 AM Chet Ramey <chet.ra...@case.edu> wrote: >>> >>>>> I think you'll find that, regardless of its origins, there are more >>>>> scripts >>>>> using the %b specifier than you think. >>>> >>>> i'd personally never heard of printf(1) %b before this thread, but >>>> debian code search agrees with you: >>> >>> It's a POSIX invention dating from at least 1991 (P1003.2-D11). >>> >>> The POSIX guidance to use it as a portable way to replace SysV echo has >>> dated from the same time. It's a pretty big lift to suddenly invalidate >>> all that prior art. ("POSIX giveth, and POSIX taketh away."). >> >> Are there any official explanations why is the invalidation actually >> happening now? > > https://lists.gnu.org/archive/html/bug-bash/2023-08/msg00112.html > > C23 is going to use %b to print binary literals.
Upper case %B was taken? Rob