Bi-directional text is a function of CSS2. What is the importance of this function?
A.
CSS2 determines the display of paged media.
B.
Some languages, such as Arabic, can cause documents to render with mixed directionality.
C.
The need for the browser proprietary <layer> tag is eliminated.
D.
A Z-axis allows elements to be stacked on a page and displayed in either direction.