From 2f5865cc6d08d3c1d49f3182335a4ae10cbd788a Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Fri, 4 Oct 2013 11:09:43 +0200
Subject: [PATCH] Clarify that url and ext are optional when formats is given
 (#980)

---
 youtube_dl/extractor/common.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index b577c9e6d..69cdcdc1b 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -35,6 +35,8 @@ class InfoExtractor(object):
     title:          Video title, unescaped.
     ext:            Video filename extension.
 
+    Instead of url and ext, formats can also specified.
+
     The following fields are optional:
 
     format:         The video format, defaults to ext (used for --get-format)