404 error by "abc.go.com"

[coldplaytm]

• [x ] I've verified and I assure that I'm running youtube-dl 2017.03.05
• [x ] At least skimmed through README and most notably FAQ and BUGS sections
• [ x] Searched the bugtracker for similar issues including closed ones

What is the purpose of your issue?

• [x ] Bug report (encountered problems with youtube-dl)
• [x ] Site support request (request for adding support for a new site)

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Description of your issue :

according to this issue #12341
the subtitle is available by --list-subs but it couldn't be downloaded by --all--subs

D:\>D:\android\youtube-dl.exe -v --list-subs --skip-download http://abc.go.com/s
hows/world-news-tonight/episode-guide/2017-02/17-021717-intense-stand-off-betwee
n-man-with-rifle-and-police-in-oakland
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', '--list-subs', '--skip-download', 'http://abc.
go.com/shows/world-news-tonight/episode-guide/2017-02/17-021717-intense-stand-of
f-between-man-with-rifle-and-police-in-oakland']
[debug] Encodings: locale cp1256, fs mbcs, out cp720, pref cp1256
[debug] youtube-dl version 2017.03.05
[debug] Python version 3.4.4 - Windows-8.1-6.3.9600
[debug] exe versions: none
[debug] Proxy map: {}
[Go] 17-021717-intense-stand-off-between-man-with-rifle-and-police-in-oakland: D
ownloading webpage
[Go] 3690726: Downloading JSON metadata
[debug] Using fake IP 3.76.113.19 (US) as X-Forwarded-For.
[Go] 3690726: Downloading JSON metadata
[Go] 3690726: Downloading m3u8 information
Available subtitles for 3690726:
Language formats
en-us    ttml

D:\>D:\android\youtube-dl.exe -v --all-subs --skip-download http://abc.go.com/sh
ows/world-news-tonight/episode-guide/2017-02/17-021717-intense-stand-off-between
-man-with-rifle-and-police-in-oakland
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', '--all-subs', '--skip-download', 'http://abc.g
o.com/shows/world-news-tonight/episode-guide/2017-02/17-021717-intense-stand-off
-between-man-with-rifle-and-police-in-oakland']
[debug] Encodings: locale cp1256, fs mbcs, out cp720, pref cp1256
[debug] youtube-dl version 2017.03.05
[debug] Python version 3.4.4 - Windows-8.1-6.3.9600
[debug] exe versions: none
[debug] Proxy map: {}
[Go] 17-021717-intense-stand-off-between-man-with-rifle-and-police-in-oakland: D
ownloading webpage
[Go] 3690726: Downloading JSON metadata
[debug] Using fake IP 3.80.151.51 (US) as X-Forwarded-For.
[Go] 3690726: Downloading JSON metadata
[Go] 3690726: Downloading m3u8 information
WARNING: Unable to download subtitle for "en-us": HTTP Error 404: Not Found
...
<end of log>

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• Single video: http://abc.go.com/shows/world-news-tonight/episode-guide/2017-02/17-021717-intense-stand-off-between-man-with-rifle-and-police-in-oakland

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