rdamas

[ie/substack] Dont't trust substack's webpage "post.type"

3

A substack "podcast" type can also have a video. Look for "video_upload_id" regardless of content type. If we find one, add it to formats. There's also #12660, but that handles...

### Description of your *pull request* and other information Markup uses double quotes now instead of single quotes Fixes #15607 Template ### Before submitting a *pull request* make sure you...