====== Control Codes, Private Use, and Combining Marks ======

^General Category^Stack^Mixed^Memo^
|[[http://www.fileformat.info/info/unicode/category/Cc/list.htm|Other, Control (Cc)]]|R|R|:?: undefined in stacked mode|
|[[http://www.fileformat.info/info/unicode/category/Cf/list.htm|Other, Format (Cf)]]|R|R|:?: undefined in stacked mode|
|[[http://www.fileformat.info/info/unicode/category/Co/list.htm|Other, Private Use (Co)]]|U|U| Bias for East Asian use, since other usage is unknown |
|[[http://www.fileformat.info/info/unicode/category/Cs/list.htm|Other, Surrogate (Cs)]]|R|R|:?: no need to define?|
|M*|Follows grapheme cluster|||