Each service has different features. But the way they implement the features can be different and may not be interoperable with each other.
That said, you can subscribe to Peertube channels on Lemmy. New videos will show up like any other post on your feed.
You need to put a double space at the end of a line if you use only a single return, or two returns for the text to appear on a new line with more spacing between.
You can also view the source of comments to see their formatting.
Text with two spaces at the end
Text on a new line
Text with two returns at the end
Text on the second return line
I am always surprised I don’t hear more discussion about Automotive Grade Linux.
I’ve seen a few of these “shell tricks” articles. This one I actually learned quite a few, which I will promptly forget when I actually need to use them.