In tabular work reversed commas are used as a sign for ditto.
The dash is sometimes used in catalogue work as a ditto mark.
Ditto,” cried Waller still more emphatically; “what say you, Hawkswing?
The fodder is odious, not fit for a pig, and the wine is ditto.
Cromwell was mad and a quack; Anselm, Becket, Goethe, ditto ditto.
“Ditto,” said Muggins, nodding his head and ...