facebook - ../watch?v={video_id} support

[Zorono]

Checklist

• I'm reporting a site feature request
• I've verified that I'm running youtube-dl version 2020.02.16
• I've searched the bugtracker for similar site feature requests including closed ones

Description

WRITE DESCRIPTION HERE
youtube-dl.exe https://www.facebook.com/watch/?ref=saved&v=157002505754521
must download the following video https://www.facebook.com/578750342565408/videos/157002505754521/ but it results in

C:\Users\Zorono>youtubedl.exe https://www.facebook.com/watch/?ref=saved&v=1570025057
54521
WARNING: Falling back on generic information extractor.
WARNING: Falling back on generic information extractor.
'v' is not recognized as an internal or external command,
operable program or batch file.

/watch?v={video_id} must be supported(while other url parameters similar to ref= must be ignored but they're not...)

[dstftw]

https://github.com/ytdl-org/youtube-dl#video-url-contains-an-ampersand-and-im-getting-some-strange-output-1-2839-or-v-is-not-recognized-as-an-internal-or-external-command