Draft UTR #50, Unicode Vertical Text Layout is now available for public review and comment. The main changes in this version from the previous proposed draft:
* The intended interaction with document formats has been clarified.
* The guidelines for the assignment of a property value have been clarified.
* A number of characters have been assigned a different property value. http://www.unicode.org/review/pri253/http://unicode-inc.blogspot.com/2013/04 ... -text.html