It may contain the following character sequences:
.Bl -column "Character sequence" "Replaced with" -offset indent
.It Sy "Character sequence" Ta Sy "Replaced with"
+.It Li "+<" Ta "Pad with a space"
.It Li "+A" Ta "Output of the external script"
.It Li "+C" Ta "Window class"
.It Li "+D" Ta "Workspace name"
maintaining default floating window behavior.
Possible stack_mode values are
.Pa vertical ,
-.Pa horizontal
+.Pa vertical_flip ,
+.Pa horizontal ,
+.Pa horizontal_flip
and
.Pa fullscreen .
.Pp