01Spot a colon that cuts a sentence off too earlyCover the words after the blank and check that the words before it could end with a period.
02Tell when a list needs a colon and when it needs no markPut a colon before a list only when the words before the list could end with a period on their own.
03Join two sentences with a colon when the second explains the firstRead “because” or “that is” in place of the colon, and keep the colon only when the sentence still makes sense.
04Keep “including” and “such as” attached to their examplesLeave out any mark between “including” or “such as” and the first example after it.
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