1	#!/bin/bash
2	#
3	# POSIX rule about special builtins pointed at:
4	#
5	# https://www.reddit.com/r/oilshell/comments/5ykpi3/oildev_is_alive/
6
7	### Rule about special builtins -- : is special
8	test -n "$BASH_VERSION" && set -o posix # Bash only implements it behind the posix option
9	foo=bar :
10	echo $foo
11	# stdout: bar
12
13	### Rule about special builtins -- true is not special
14	foo=bar true
15	echo $foo
16	# stdout: