.Xr xterm 1
binary without the setgid bit set.
.It Ic tile_gap
-Pixel width of empty space between tiled windows.
+Pixel width of empty space between tiled windows. Negative values cause overlap.
+Set this to the opposite of border_width to collapse the border between tiles.
Disable by setting to 0.
.It Ic title_class_enabled
Enable or disable displaying the window class in the status bar.