content: use AppleScript version "2.4" -- Yosemite (10.10) or later
  use scripting additions
  use O : script "omnifocus"
  use OmniFocus : application "OmniFocus"
  
  on run
  	tell O to toggleConsider(selectedItems())
  end run
  
  on handle_string(argv)
  	if argv is "set" then
  		tell O to setConsider(selectedItems())
  	else if argv is "clear" then
  		tell O to clearConsider(selectedItems())
  	end if
  end handle_string