t use the cursor specified for the frame
nil don't display a cursor
- bar display a bar cursor with default width
- (bar . WIDTH) display a bar cursor with width WIDTH
+ bar display a vertical bar cursor with default width
+ (bar . WIDTH) display a vertical bar cursor with width WIDTH
+ hbar display a horisontal bar cursor with default width
+ (hbar . WIDTH) display a horisontal bar cursor with width WIDTH
ANYTHING ELSE display a box cursor.
When the buffer is displayed in a nonselected window,