On Fri, Feb 17, 2023 at 10:13 PM Lawrence Velázquez <larryv@xxxxxxx> wrote:
>
>   1) Autoconf uses ${1+"$@"} instead of "$@" to work around a bug
>      in pre-SVR3 Bourne shells.
Fascinating.
This made me Google SVR3. That's System V, Release 3, right? 1987.
Before the first release of bash and zsh.
Roman.