DESC	Unpad padded ambiguous width characters

INPUT
	TYPE	Unicode

OUTPUT
	TYPE	Unicode
	DESC	Remove U+000A after ambiguous characters

CTL
	BSDCONV_AMBIGUOUS_PAD
		PTR
			don't care
		INT
			1	Enable
			2	Disable

EXAMPLE
	#used in https://github.com/buganini/bug5
	> echo Б И  2|bsdconv utf-8:ambiguous-unpad:utf-8
	БИ 2
