Unicode Technical Standard #35| www.unicode.org
Unicode Technical Standard #35| www.unicode.org
Unicode® Technical Standard #39| www.unicode.org
Unicode® Standard Annex #31| www.unicode.org
Unicode® Standard Annex #31| www.unicode.org
Unicode® Standard Annex #31| www.unicode.org
Unicode® Standard Annex #31| unicode.org
Unicode Character Encoding Stability Policies| www.unicode.org