none::
The window will neither be focused, nor be marked urgent.
+=== Drawing marks on window decoration
+
+If activated, marks on windows are drawn in their window decoration. However,
+any mark starting with an underscore in its name (+_+) will not be drawn even if
+this option is activated.
+
+The default for this option is +yes+.
+
+*Syntax*:
+-------------------
+show_marks [yes|no]
+-------------------
+
+*Example*:
+--------------
+show_marks yes
+--------------
+
== Configuring i3bar
The bar at the bottom of your monitor is drawn by a separate process called
this mark, add it if the window has none or replace the current mark if it has
another mark.
+Refer to +show_marks+ if you don't want marks to be shown in the window decoration.
+
*Syntax*:
------------------------------
mark [--toggle] identifier