. . .   is an instruction in some kind of computer language, although I don't know which one. If you have any more questions about this, please advise where you encountered it.
I encountered it in an interview with a singer. I give you a few sentences to show you the context.
I spent the first couple of months putting down a load of songs like I had learned how to do in studios before, putting a click down first and then layering. But I ended up throwing all those recordings out. Then
My guess is this. It's a formatting command that is included with the text. Normally, they don't appear when you read the text, but they may if there is some kind of computer problem with the software.
In the examples you supplied, you can just omit the and the whole text reads just fine.
  is a code in html for a space. Equivalent to hitting the spacebar once. Spaces are often not recognized as such in html, so you have to code them specifically. There are exceptions of course.