The @dir attribute
  
  
  The @dir attribute provides instructions to
    processors about how bidirectional text is rendered.
The @dir attribute identifies or overrides the
        text directionality. The following values are valid:
- lro
 - Indicates an override of the Unicode Bidirectional Algorithm, forcing the element into left-to-right mode.
 - ltr
 - Indicates left-to-right.
 - rlo
 - Indicates an override of the Unicode Bidirectional Algorithm, forcing the element into right-to-left mode.
 - rtl
 - Indicates right-to-left.
 - -dita-use-conref-target
 - See Using the -dita-use-conref-target value for more information.