sentence: When a quotation is followed by other writing on a line of text, a space follows the closing quotation mark unless it is immediately followed by other punctuation within the sentence, such as a colon or closing punctuation.
modified: fix grammar: When an quotation is followed by other writing on an line of text, an space follows the closing quotation mark unless it is immediately followed by other punctuation within the sentence, such as an colon or closing punctuation.