Quoted heredoc:
a\
	b
a\\
	b
 123456 -$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
	-$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
c\

Unquoted heredoc:
a	b
a\
	b
 123456 -qwerty-\t-\-\"-\'-`-\--\z-\*-\?-
	-qwerty-\t-\-\"-\'-`-\--\z-\*-\?-
cEOF2

Quoted -heredoc:
a\
b
a\\
b
 123456 -$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
-$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
c\

Unquoted -heredoc:
a	b
a\
b
 123456 -qwerty-\t-\-\"-\'-`-\--\z-\*-\?-
-qwerty-\t-\-\"-\'-`-\--\z-\*-\?-
cEOF4

Done: 0