https://github.com/Podcastindex-org/podcast-namespace/blob/main/docs/1.0.md : - channel > `<podcast:locked owner="email@example.com">no</podcast:locked>` - item > `<podcast:chapters>` with text/vtt - item > `<podcast:episode>`
https://github.com/Podcastindex-org/podcast-namespace/blob/main/docs/1.0.md :
<podcast:locked owner="email@example.com">no</podcast:locked><podcast:chapters>with text/vtt<podcast:episode>