"ZIP" in proofreading marks indicates a passage is fine and should not be changed. It is used to show that no edits are needed in that particular section.
The "^" symbol is used in proofreading marks to indicate that a letter should be lowercase.
It is important to use standard proofreading marks because it creates less confusion for the writer whose work is edited. The standard proofreading marks tell the writer exactly what needs to be corrected.
One can understand proofreading marks by reading guides on various websites like DesktopPub and Merriam. Both websites offer a variety of guides including one on understanding proofreading marks.
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proofreading marks
If what you are referring to is proofreading marks, see the link below. WikiAnswers does not support images, and proofreading marks are not available for the standard keyboard, or the character maps used on Windows.
SP stands for "spelling error" when proofreading. It indicates that there is a mistake related to the spelling of a word that needs to be corrected.
When proofreading, those three dashes mean capitalize the letter.
Proofreading marks, or stets, are marks that are added to a draft to flag errors that need to be revised. These include ¶ (indent), ^ (insert information), and many others.
capitalize the letter:Place three lines underneath the letter that needs to be capitalized.
Lower Case
Proofreading and editing.