complete --command youtube-dl --long-option playlist-start --description 'Playlist video to start at (default is %default)'
complete --command youtube-dl --long-option playlist-end --description 'Playlist video to end at (default is last)'
complete --command youtube-dl --long-option playlist-items --description 'Playlist video items to download. Specify indices of the videos in the playlist separated by commas like: "--playlist-items 1,2,5,8" if you want to download videos indexed 1, 2, 5, 8 in the playlist. You can specify range: "--playlist-items 1-3,7,10-13", it will download the videos at index 1, 2, 3, 7, 10, 11, 12 and 13.'
complete --command youtube-dl --long-option playlist-start --description 'Playlist video to start at (default is %default)'
complete --command youtube-dl --long-option playlist-end --description 'Playlist video to end at (default is last)'
complete --command youtube-dl --long-option playlist-items --description 'Playlist video items to download. Specify indices of the videos in the playlist separated by commas like: "--playlist-items 1,2,5,8" if you want to download videos indexed 1, 2, 5, 8 in the playlist. You can specify range: "--playlist-items 1-3,7,10-13", it will download the videos at index 1, 2, 3, 7, 10, 11, 12 and 13.'