Is a keyword forcing the first letter of each word to be converted to uppercase. Other characters are unchanged; that is, they retain their original case as written in the element's text.

Is a keyword forcing the writing of a character, mainly ideograms and latin scripts inside a square, allowing them to be aligned in the usual East Asian scripts (like Chinese or Japanese).

Is a keyword forcing all characters to be converted to lowercase.

Is a keyword preventing the case of all characters to be changed.

Is a keyword forcing all characters to be converted to uppercase.