Because sometimes, periods, commas, colons, semi-colons, dashes, hyphens, apostrophes, question marks, exclamation points, ...

The correct version, using a comma, would be “Judy jogged on the pavement, but it wasn’t good for her knees.” Of course, if ...

I’m talking about the poor, misunderstood semicolon. Yes, that most elegant of punctuation marks – sitting elusively somewhere between an en-dash and a colon – is officially under threat.

However, the actual punctuation marks that we have adopted to go with these names in modern usage did not arrive until 1566 when Italian printer Aldus Manutius first printed books using symbols we ...

It is not a very well known punctuation mark, and I believe it should have more recognition. But the interrobang is not alone in the world of under-appreciated punctuation.

The semicolon has been described as a "graceful pause" in writing. But this graceful punctuation mark is being forgotten.

So now we have taken all punctuation marks under a statistical magnifying glass, and we have also looked at what happens to punctuation during translation,” says Prof. Stanislaw Drozdz (IFJ PAN ...

Even between languages, sentence punctuation seemed to follow the same mathematical rules. The researchers looked at texts in English, French, Spanish, Italian, Russian, German and Polish.