<!-- ISO BOX: Box and Line Drawing -->
<!-- $Id$ -->
<!-- Derived from the corresponding ISO 8879 standard entity set -->
<!-- Checked against MathML 2.0 2nd Ed -->

<!ENTITY boxDL	"&#x2557;"> <!-- lower left quadrant, double -->
<!ENTITY boxDl	"&#x2556;"> <!-- lower left quadrant, double down -->
<!ENTITY boxdL	"&#x2555;"> <!-- lower left quadrant, double left -->
<!ENTITY boxdl	"&#x2510;"> <!-- lower left quadrant -->
<!ENTITY boxDR	"&#x2554;"> <!-- lower right quadrant, double -->
<!ENTITY boxDr	"&#x2553;"> <!-- lower right quadrant, double down -->
<!ENTITY boxdR	"&#x2552;"> <!-- lower right quadrant, double right -->
<!ENTITY boxdr	"&#x250C;"> <!-- lower right quadrant -->
<!ENTITY boxH	"&#x2550;"> <!-- horizontal line, double -->
<!ENTITY boxh	"&#x2500;"> <!-- horizontal line -->
<!ENTITY boxHD	"&#x2566;"> <!-- lower quadrants, double -->
<!ENTITY boxHd	"&#x2564;"> <!-- lower quadrants, double horizontal -->
<!ENTITY boxhD	"&#x2565;"> <!-- lower quadrants, double down -->
<!ENTITY boxhd	"&#x252C;"> <!-- lower quadrants -->
<!ENTITY boxHU	"&#x2569;"> <!-- upper quadrants, double -->
<!ENTITY boxHu	"&#x2567;"> <!-- upper quadrants, double horizontal -->
<!ENTITY boxhU	"&#x2568;"> <!-- upper quadrants, double down -->
<!ENTITY boxhu	"&#x2534;"> <!-- upper quadrants -->
<!ENTITY boxUL	"&#x255D;"> <!-- upper left quadrant, double -->
<!ENTITY boxUl	"&#x255C;"> <!-- upper left quadrant, double up -->
<!ENTITY boxuL	"&#x255B;"> <!-- upper left quadrant, double left -->
<!ENTITY boxul	"&#x2518;"> <!-- upper left quadrant -->
<!ENTITY boxUR	"&#x255A;"> <!-- upper right quadrant, double -->
<!ENTITY boxUr	"&#x2559;"> <!-- upper right quadrant, double up -->
<!ENTITY boxuR	"&#x2558;"> <!-- upper right quadrant, double right -->
<!ENTITY boxur	"&#x2514;"> <!-- upper right quadrant -->
<!ENTITY boxV	"&#x2551;"> <!-- vertical line, double -->
<!ENTITY boxv	"&#x2502;"> <!-- vertical line -->
<!ENTITY boxVH	"&#x256C;"> <!-- all four quadrants, double -->
<!ENTITY boxVh	"&#x256B;"> <!-- all four quadrants, double vertical -->
<!ENTITY boxvH	"&#x256A;"> <!-- all four quadrants, double horizontal -->
<!ENTITY boxvh	"&#x253C;"> <!-- all four quadrants -->
<!ENTITY boxVL	"&#x2563;"> <!-- left quadrants, double -->
<!ENTITY boxVl	"&#x2562;"> <!-- left quadrants, double vertical -->
<!ENTITY boxvL	"&#x2561;"> <!-- left quadrants, double left -->
<!ENTITY boxvl	"&#x2524;"> <!-- left quadrants -->
<!ENTITY boxVR	"&#x2560;"> <!-- right quadrants, double -->
<!ENTITY boxVr	"&#x255F;"> <!-- right quadrants, double vertical -->
<!ENTITY boxvR	"&#x255E;"> <!-- right quadrants, double right -->
<!ENTITY boxvr	"&#x251C;"> <!-- right quadrants -->