MIGX: Add a delimiter to the output of a listbox-multiple group

So I have a listbox (multi) within a MIGX element which works just fine for one item, in this case a listing of cities, but when I select any number of them, it just crams them all together. So I’m getting something like PittsburghHarrisburgCharlotte.

How can I process the output to something that makes sense like:

  • Pittsburgh, Harrisburg, Charlotte
  • Pittsburgh, Harrisburg and Charlotte

I feel like there’s something basic here I’m missing.

Isn’t this the same question you asked here?

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I thought I did. I didn’t see it when I looked back through my recent posts. haha thanks.