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-rw-r--r--ranger/core/helper.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/ranger/core/helper.py b/ranger/core/helper.py
index d1ef3ed0..910c0241 100644
--- a/ranger/core/helper.py
+++ b/ranger/core/helper.py
@@ -73,6 +73,8 @@ def parse_arguments():
 	parser.add_option('--choosedir', type='string', metavar='TARGET',
 			help="Makes ranger act like a directory chooser. When ranger quits"
 			", it will write the name of the last visited directory to TARGET")
+	parser.add_option('--list-unused-keys', action='store_true',
+			help="List common keys which are not bound to any action.")
 
 	options, positional = parser.parse_args()
 	arg = OpenStruct(options.__dict__, targets=positional)