In the foreword to , Frank McCourt wrote:
“If Lynne Truss were Catholic I’d nominate her for sainthood.”
Then McCourt continues: “It’s a book about punctuation. Punctuation, if you don’t mind!”
Smith & Wilhelm note the missing comma in McCourt’s first quote, and the fragment in the second. Note there is also a colloquial exclamation point.
(Smith & Wilhelm 57)