Two lines put under a letter typically indicates that the letter is meant to be italicized or underlined. It serves as a formatting instruction for the typesetter or printer, highlighting how the letter should be styled in the final published document.
When proofreading, those three dashes mean capitalize the letter.
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.
Lower Case
Proofreading and editing.
Lower Case
Proofreading means to read something & mark corrections in it. It could also be called editing. ChaCha on!
If you mean the letter x, it has four lines of symmetry.
"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.
"TS" in proofreading stands for "typeset." It is used to reference the version of a document that has been formatted or set in type for publication. Proofreading TS involves checking for errors in the final layout before printing or online publishing.
An underlined caret (^) in proofreading indicates that something needs to be inserted at that point in the text. It signals to the writer or typesetter to add a word, letter, or punctuation mark. The caret is placed below the line of text where the insertion is needed, highlighting the specific location for the correction.
Traction control
The backslash proofreading symbol is used to indicate a space that should be deleted, especially in typesetting or formatting work. It signifies that the space preceding the backslash should be removed to ensure proper formatting and alignment of the text.