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Bon Compagno da Signia

Mentioned in 1 analyzed podcast episode across 1 show

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99% Invisible · Feb 3, 2026

The Em Dash

“12th-century Italian scholar who invented early punctuation marks including the vergula sersum erecta, precursor to the comma.”

Em dash history and evolution in English literatureAI-generated text detection and markersPunctuation as cultural and stylistic expression