Because my clients’ papers are confidential, I cannot share one to show the edits. Instead, I have edited something I wrote in graduate school.
This first sample shows a light copyedit, where I have corrected spelling and grammar errors and made the text consistent (for example, changing Figure 1(a) and Fig. 1b to have the same format):
This second sample shows the same passage with a heavy copyedit. In addition to the corrections made above, suggestions are made to improve the writing:
Here is the second sample with the edits shown in “bubbles” (I find this view easier to look at):