//http://www.alanwood.net/unicode/arrows.html
var uArrows = 
['larr', 2190, //left arrow
 'uarr', 2191, //up arrow
 'rarr', 2192, //right arrow
 'darr', 2193, //down arrow
 'harr', 2194, //horizontal arrow (<->)
     '', 2195  //vertical arrow
];

//http://www.alanwood.net/unicode/block_elements.html
var uBlocks =
[    '', 2580, //upper half block
/*
     '', 2581, //lower one eighth block
     '', 2582, //lower one quarter block
     '', 2583, //lower three eights block
*/
     '', 2584, //lower half block
/*
     '', 2585, //lower five eighths block
     '', 2586, //lower three quarters block
     '', 2587, //lower seven eighths block
*/
     '', 2588, //full block
/*
     '', 2589, //left seven eighths block
     '', 258A, //left three quarters block
     '', 258B, //left five eighths block
*/
     '', 258C, //left half block
/*
     '', 258D, //left three eights block
     '', 258E, //left one quarter block
     '', 258F, //left one eighth block
*/
     '', 2590, //right half block
     '', 2591, //light shade
     '', 2592, //medium shade
     '', 2593, //dark shade
     '', 2594, //upper one eighth block
     '', 2595, //right one eighth block