On 29/05/2023 02:53, Paul Gevers wrote:
Our (crafted with Andrej) proposal is here: https://salsa.debian.org/ddp-team/release-notes/-/merge_requests/181
from the diff:
... as a literal character, as was always the intended POSIX-compliant behavior.
Strictly speaking, behavior of circumflex is *unspecified* in POSIX:
... A bracket expression starting with an unquoted <circumflex> character produces unspecified results.
Moreover, it is intentionally left unspecified: https://www.austingroupbugs.net/view.php?id=1558