make forward-compatible with mksh R55, which deprecates “global”
-rw-r--r-- 851 0-README
-rw-r--r-- 1302 1-NOT-SH
drwxr-xr-x - LICENCES
drwxr-xr-x - bash-ksh
drwxr-xr-x - bash
drwxr-xr-x - ksh
drwxr-xr-x - ksh93
drwxr-xr-x - mksh
drwxr-xr-x - other
drwxr-xr-x - posix
drwxr-xr-x - zsh