Samuel Lijin <sxlijin@xxxxxxxxx> writes: >> However, I think POSIX mandates the behavior you'd expect. And the only >> shell I know that misbehaves in this way is Solaris /bin/sh, which we >> have already declared too broken to support. > > Off-topic, but where is this explicitly documented? One link I had readily available was https://public-inbox.org/git/7vei5qtnc5.fsf@xxxxxxxxxxxxxxxxxxxxxxxx/ but there may be older discussions that were the actual process of our officially having "written its /bin/sh off as broken and unusable" if you dig further in the list archive.