Anthony Towns <aj@azure.humbug.org.au> wrote:

> If it's not to enable backwards and cross-Unix compatability, why do we
> care about POSIX at all?

> bash, /bin/echo and POSIXLY_CORRECT /bin/echo all treat "\c" as a literal,
> for reference.

GNU has always adopted the BSD behaviour of not interpreting back
slashes.  All SYSV shells behaved like

printf "%b\n" "$*"

This includes pdksh.
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