test/regexp/issue1103 - third_party/github.com/GNOME/libxml2 - Git at Google

 =>[\--A]
 -
 @
 A
 B
 =>[A-\ud83d\ude0a]
 @
 A
 B
 😊
 😍
 =>[\ud83d\ude0a-\ud83d\ude0d]
 A
 😊
 😌
 😍
 =>[\ud83d\ude0a\-A]
 😊
 A
 -
 😍
	=>[\--A]
	-
	@
	A
	B
	=>[A-\ud83d\ude0a]
	@
	A
	B
	😊
	😍
	=>[\ud83d\ude0a-\ud83d\ude0d]
	A
	😊
	😌
	😍
	=>[\ud83d\ude0a\-A]
	😊
	A
	-
	😍