... mechan-ics mistakes, such as grammar and punctuation.CHAPTERRevising, Editing,and Proofreading55Revising, Editing, and Proofreading CHAPTER 5 HOW TO WRITE GREAT ESSAYSHOW TO WRITE GREAT ... your writing appear too casual, or even sloppy.55MMany writers are tempted to skip the revising, editing, and proofreading steps, feel-ing intimidated by the thought of reworking their writing, ... college-bound students should be aware of: the commasplice, and the serial comma.Comma SpliceA comma splice is the incorrect use of a comma to connect two complete sentences. It cre-ates a run-on...