.It Li "+F" Ta "Floating indicator"
.It Li "+I" Ta "Workspace index"
.It Li "+N" Ta "Screen number"
+.It Li "+P" Ta "Window class and title separated by a colon"
.It Li "+S" Ta "Stacking algorithm"
.It Li "+T" Ta "Window title"
.It Li "+U" Ta "Urgency hint"
Note that many terminal emulators require this to be enabled for it to
propagate.
In xterm, for example, one needs to add the following line
-.Pa xterm.urgentOnBell: true
+.Pa xterm.bellIsUrgent: true
to
.Pa .Xdefaults .
.It Ic verbose_layout