A Learning Support on Using a Comma to Indicate Omitted Words in a Repeated Pattern

Here is a learning support on using a comma to indicate omitted words in a repeated pattern. This is the eighth of fifteen related supports on commas on this blog. (You can find an excursus on this choice of publishing practice here.)

If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.