Credit: https://www.merriam-webster.com/dictionary/proofreader
| Symbol | Meaning | Example | |||
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delete |  | |||
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close up |  | |||
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delete and close up |  | |||
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caret |  | |||
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insert a space |  | |||
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space evenly |  | |||
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let stand |  | |||
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transpose |  | |||
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used to separate two or more marks and often as a concluding stroke at the end of an insertion |
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set farther to the left |  | |||
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set farther to the right |  | |||
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set as ligature (such as ć) |  | |||
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align horizontally |  | |||
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align vertically |  | |||
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broken character |  | |||
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indent or insert em quad space | ||||
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begin a new paragraph | ||||
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spell out |  | |||
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set in CAPITALS |  | |||
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set in SMALL CAPITALS |  | |||
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set in lowercase |  | |||
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set in italic |  | |||
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set in roman |  | |||
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set in boldface |  | |||
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hyphen | multi-colored | |||
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en dash | 1965–72 | |||
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em (or long) dash | Now—at last!—we know. | |||
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superscript or superior |  | |||
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subscript or inferior |  | |||
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centered |  | |||
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comma | ||||
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apostrophe | ||||
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period | ||||
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semicolon | ||||
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colon | ||||
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quotation marks | ||||
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parentheses | ||||
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brackets | ||||
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query to author: has this been set as intended? |
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push down a work-up |  | |||
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turn over an inverted letter |  | |||
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wrong font |  | |||