Proofread to eliminate errors of spelling, punctuation, and grammar. (PRF)
Proofreading errors include not only obvious spelling errors but also other basic mistakes such as confusing to and too or its and it’s, using improper capitalization, and misusing punctuation, especially apostrophes, semicolons, and colons. Misplaced and dangling modifiers also count as proofreading errors. For help, see the guidelines in the Pocket Style Manual on grammar, punctuation, and mechanics. See also the American Heritage Book of English Usage, which has a handy glossary.
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