pornhub.com - Specifically report "Video is not available in your country" when it is opportune instead of "Unable to extract title"

[ale5000-git]

Checklist

• I'm reporting a site feature request
• I've verified that I'm running youtube-dl version 2020.05.08
• I've searched the bugtracker for similar site feature requests including closed ones

Description

Specifically report "Video is not available in your country" when it is opportune instead of "Unable to extract title".

Output:

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose', 'https://www.pornhub.com/view_video.php?viewkey=ph5dffec575cfff']
[debug] Encodings: locale cp1252, fs mbcs, out cp850, pref cp1252
[debug] youtube-dl version 2020.05.08
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.18362
[debug] exe versions: none
[debug] Proxy map: {}
[PornHub] ph5dffec575cfff: Downloading pc webpage
ERROR: Unable to extract title; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp4z7swgz7\build\youtube_dl\YoutubeDL.py", line 797, in extract_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp4z7swgz7\build\youtube_dl\extractor\common.py", line 530, in extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp4z7swgz7\build\youtube_dl\extractor\pornhub.py", line 206, in _real_extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp4z7swgz7\build\youtube_dl\extractor\common.py", line 1014, in _html_search_regex
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp4z7swgz7\build\youtube_dl\extractor\common.py", line 1005, in _search_regex
youtube_dl.utils.RegexNotFoundError: Unable to extract title; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

[kcubeterm]

Use vpn or proxy,

[ale5000-git]

Thanks, I know but here I'm just asking to have a more correct error message.