Definition from Wiktionary, the free dictionary
- A system of quotation wherein punctuation marks are enclosed within a quotation only if the sense of the punctuation is part of the quotation.
- "Journal of Irish and Scottish Studies – Style Guide", (PDF) Research Institute of Irish and Scottish Studies]]: 2008. URL accessed on 2011-10-22.
- Yagoda, Ben (2011-05-12), "The Rise of 'Logical Punctuation'. The period outside the quotation marks is not a copy error.", Slate. Washington Post Company. URL accessed on 2011-10-23.