Testing alias definitions using reserved words

sudoers:1:12: syntax error, reserved word ALL used as an alias name
Cmnd_Alias ALL=ALL
           ^~~
sudoers:2:12: syntax error, reserved word CHROOT used as an alias name
Cmnd_Alias CHROOT=foo
           ^~~~~~
sudoers:3:12: syntax error, reserved word CMND_TIMEOUT used as an alias name
User_Alias TIMEOUT=foo
           ^~~~~~~
sudoers:4:13: syntax error, reserved word CWD used as an alias name
Runas_Alias CWD=bar
            ^~~
sudoers:5:12: syntax error, reserved word NOTBEFORE used as an alias name
Host_Alias NOTBEFORE=baz
           ^~~~~~~~~
sudoers:6:12: syntax error, reserved word NOTAFTER used as an alias name
Host_Alias NOTAFTER=biff
           ^~~~~~~~

root ALL = ALL