Bug#1034344: Bug#1028002: dash: sid dash globs no longer allow [^...] to negate a class; upcoming breaking change from bullseye
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
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