Also, perhaps BASH_SUBSHELL should be a readonly like BASHPID is. - M.
- BASH_SUBSHELL reset to 0 on EXIT trap in aubshell Martijn Dekker
- Re: BASH_SUBSHELL reset to 0 on EXIT trap in aubshell Martijn Dekker
- Re: BASH_SUBSHELL reset to 0 on EXIT trap in aubshell Chet Ramey
