Number B<R> of retries for a given download (default is 10).
+=item --playlist-start=B<N>
+
+The number B<N> of the video in a playlist where we should start downlading
+(default is 1).
+
+=item --playlist-end=B<N>
+
+The number B<N> of the video in a playlist where we should stop downloading
+(default is -1, which stands for the last video in the playlist).
+
=item -u B<UN>, --username=B<UN>
Specify the youtube account username B<UN>. Some videos require an
=item -f B<FMT>, --format=B<FMT>
-Specify the video format (quality) in which to download the video. Note
-that not all videos are available in all formats.
+Specify the video format (quality) in which to download the video.
+
+For youtube.com, in particular, the meaning of the format codes is given as:
+
+=over
+
+=item WebM video at 480p: 43
+
+=item WebM video at 720p: 45
+
+=item H264 video in MP4 container at 480p: 18
+
+=item H264 video in MP4 container at 720p: 22
+
+=item H264 video in MP4 container at 1080p: 37
+
+=item H264 video in FLV container at 360p: 34
+
+=item H264 video in FLV container at 480p: 35
+
+=item H263 video at 240p: 5
+
+=item 3GP video: 17
+
+=back
+
+Note that not all videos are available in all formats.
=item -b, --best-quality
video. Can contain "weird" characters that are not filtered like with
the -t option.
+=item -A, --auto-number
+
+When downloading multiple videos from a playlist, automatically number them,
+in sequence, starting from 00000.
+
=item -o B<TPL>, --output=B<TPL>
Specify a template B<TPL> for the names of the files to be created when