Comma it is preceded by a semicolon and followed by a comma. Using commas to offset certain adverbs is optional, including "then", "so", "yet", "instead", and "too" (meaning "also"). Commas are often used to enclose parenthetical words and phrases within a sentence (i.e., information that is not essential to the meaning of the sentence). Such phrases are both preceded and followed by a comma, unless that would result in a doubling of punctuation marks or the parenthetical is at the start or end of the sentence. The following are examples of types of parenthetical phrases: A comma is used to separate
Comma splice splice, "Tastes in punctuation are not constant. It makes no sense to accuse Jane Austen of incorrect use of the comma, as no one would have levelled this charge against her at the time. Her conventions of usage were not ours". The author and journalist Lynne Truss writes in "Eats Shoots & Leaves" that "so many highly respected writers observe the splice comma that a rather unfair rule emerges on this one: only do it if you're famous". Citing Samuel Beckett, E. M. Forster, and Somerset Maugham, she says: "Done knowingly by an established writer, the comma splice is effective,