The patent for the marks (which expired in 1995) reads: “Using two new punctuation marks, the question comma and the exclamation comma … inquisitiveness and exclamation may be expressed within ...

I was reminded of this rare example of punctuation prowess recently when I came across a sentence that got it wrong, placing the comma after the single closing quotation mark instead of before it ...

Normally, there would be a comma at the end of that phrase that ends with Sunday. The dash renders it unnecessary. But there are plenty of situations in which one punctuation mark comes ...

Punctuation marks aren't just resigned to the symbols on your keyboard. There are plenty more - like the exclamation comma - that never made it into type but nonetheless exist. The exclamation ...

That year, three inventors filed a patent with the Canadian Intellectual Property Office entitled Two New Punctuation Marks: The Question Comma and the Exclamation Comma. Their patent was short ...

The em dash can replace a comma, a colon, or parenthesis. You can also use it to put emphasis on the ending of your sentence. A colon is a punctuation mark you will come across very often in ...

Commas, semicolons and question ... This was not quite punctuation as we know it – Aristophanes saw his marks as representing simple pauses rather than grammatical boundaries – but the seed ...