'rename' -> RENAME
'nop' -> NOP
'scratchpad' -> SCRATCHPAD
+ 'title_format' -> TITLE_FORMAT
'mode' -> MODE
'bar' -> BAR
'show'
-> call cmd_scratchpad_show()
+state TITLE_FORMAT:
+ format = string
+ -> call cmd_title_format($format)
+
# bar (hidden_state hide|show|toggle)|(mode dock|hide|invisible|toggle) [<bar_id>]
state BAR:
bar_type = 'hidden_state'