When IFS is null, unquoted $* within an unquoted substitution (e.g.
${1+$*} or ${unset_var-$*}) joins the PPs together into one field, as if
either "$*" or the whole substitution were quoted.
POSIX says the unquoted substitution is supposed to generate one field
for each positional parameter, with
On 2/18/17 8:35 PM, Martijn Dekker wrote:
> When IFS is null, unquoted $* within an unquoted substitution (e.g.
> ${1+$*} or ${unset_var-$*}) joins the PPs together into one field, as if
> either "$*" or the whole substitution were quoted.
>
> POSIX says the unquoted substitution is supposed to ge
