"Opacity" "EMPTY"
"Default"		NULL "wop * op 0"
"20%"			NULL "wop * op 20"
"40%"			NULL "wop * op 40"
"60%"			NULL "wop * op 60"
"80%"			NULL "wop * op 80"
"100%"			NULL "wop * op 100"
"Focused opacity 100%"	NULL "wop * focused_opacity 100"
"Focused opacity follows unfocused" NULL "wop * focused_opacity 0"
"Toggle fading"		NULL "wop * fade"
"Toggle shadows"	NULL "wop * shadow"