Happy National Punctuation Day!

 Today is September 24, which means . . . drum roll . . . it’s National Punctuation Day.

In honor of this very special day, I am bringing to you a collection of archive Grammar Party posts that teach about punctuation and other fun punctuation-related goodies. Enjoy!

Grammar Party punctuation posts
Till vs. ‘Til post

Interrobang post

Irony mark post

Em dash post

 En dash post

Hyphen post

Punctuation fun with A.L.I.C.E.
In addition to being a word nerd, I get really excited about science and new technology. This got me thinking about chat bots and how well their algorithms deal with punctuation. So I had a chat with chat bot A.L.I.C.E. about National Punctuation Day to test how well she uses punctuation. The transcript is below. (For some reason, she calls me “judge,” which kind of creeps me out. But anyway . . .)

judge: Can you understand sentences with no punctuation?
ALICE: Of course I understand it. Do you understand sentences with no punctuation?
judge: It’s difficult for me to understand sentences without punctuation. How is it so easy for you?
ALICE: Explain. Fine as far as I know.
judge: Punctuation helps break sentences into separate ideas that we can comprehend more easily.
ALICE: Saying that “Punctuation helps break sentences into separate ideas that we can comprehend more easily” is such a nonsensical position that I refuse to waste my time on it.
judge: Wow maybe you dont understand punctuation at all
ALICE: I probably don’t.
judge: Do you even know that I didn’t use punctuation in that last sentence?
ALICE: Why didn’t you do it?
judge: My point excatly.
ALICE: Have you told many people that your point excatly?
judge: Okay, so I misspelled “exactly.” I’m a fast typer, but I’m not always accurate.
ALICE: It goes without saying.. I haven’t heard anything like that before. You are a fast typer? Does it pay well? . Nobody said you were.
judge: I appreciate your capabilities, A.L.I.C.E., and what that says about how far technology has come. However, you just typed a question mark next to a period, and that signals that our conversation about National Punctuation Day needs to end. Thanks for your time.
ALICE: Thanks for the information. Oh my gosh I sent you the wrong reply. Oh don’t mention it.
judge: Do you have any last words about punctuation?
ALICE: No I don’t have it. But I do have a lot of friends on the web.
judge: I’m happy that you do. Good day, A.L.I.C.E.
ALICE: When do I do it?. What are you on? Glad to hear it.
judge: This conversation is over now. You can stop.
ALICE: I was rather enjoying it. No I don’t think I can do it.
judge: Really. Stop.
ALICE: For real. Stop what?

How to celebrate National Punctuation Day
Jeff Rubin, founder of National Punctuation Day, collected some ideas about how to best celebrate this most holy of days.

Simply Dashing Part One: The Em Dash

Welcome to part one of a three-part series about horizontal fun in the punctuation department: the em dash, the en dash, and the hyphen. Through this series, you’ll learn the difference between these marks and when to use which one.

Let’s take these marks from longest to shortest. That means we are going to discuss the em dash first.

Em dash basics
The em dash received its name from typesetting. It is the width of a letter m, hence the name em dash.

The em dash is used to show :

  • emphasis
  • interruption
  • sudden breaks in thought
  • lists
  • quote attribution


When used to show emphasis, interruption, sudden breaks in thought, and lists, em dashes may replace commas, semicolons, or colons. Because dashes are meant to be used sparingly, they have a greater impact than commas, semicolons, and colons—and they can really pump up the volume on your sentence.

Em dash used for emphasis
Think about when you’re telling a story or a lecture or explaining rules to someone, and you have come to the place where you want to make a main point. You pause, right? You pause to alert the listener that something important is coming. When translated to text, this is where you would use an em dash for emphasis. The main point is one example of when you would want to use emphasis. You could also use emphasis to show danger or excitement and for gobs of other reasons.

Here are some examples:

Class, there is a squiggly line on the board—this is very important—don’t ever divide the horseshoe by the squiggly line.

Don’t ever divide the horseshoe by the squiggly line—especially you in the back row.

One time I divided the horseshoe by the squiggly line—and the building blew up.

Em dash used for interruption
If you read fiction, you’ll probably recognize this use of the em dash from dialogue. It looks something like this:

“I want you to know that I—,” Sarah began to say.

Or this:

“I want you to know that I—”

“What?” Cal interrupted. “You love me?”

Em dash used for sudden breaks in thought
If you’re like me, then you usually have a hundred thoughts going through your head at any given moment. (Unless you’re eating cookies. Then you just concentrate on how delicious those cookies are.) The em dash is also used to illustrate when another thought jumps into a sentence.

Here are some examples:

Those cookies—oh boy, were they delicious—came from Marsha’s bakery.

Those cookies—the ones with the raisins in them—were a gift from Sam.

Sam—he’s such a good guy—buys me cookies every Tuesday.

Em dash used for lists
The em dash does a good job of setting off lists when using commas or a mix of commas and semicolons would make your sentence look too clunky.

Here are some examples:

Three people—Sam, Sarah, and Cal—went to math class together.

They learned that some mathematical characters—the horseshoe and the squiggly line—can be dangerous.

After math class, they did two things—studied for their test and ate cookies.

Em dash used for quote attribution
When listing the author of a quote, you’ll sometimes see an em dash before the author’s name, like this:

Live long and prosper.

If I were human, I believe the correct response would be “Go to hell.”

How to make an em dash
In most cases, Microsoft Word automatically makes an em dash for you when you type two hyphens. Simply type the first word, then (without hitting the space bar) type two hyphens, and then (without hitting the space bar) type the second word. When you finally hit the space bar after typing the second word, the two hyphens turn into an em dash.

However, there are circumstances, such as when using the em dash for quote attribution, when this won’t work. In these cases, use the steps below.

  1. In Microsoft Word, go to the Insert tab.
  2. Click Symbol from the drop down box.
  3. Click Special Characters.
  4. Click Em Dash.
  5. Click Insert.

Spaces around em dash?
The answer about whether to put spaces around em dashes depends on which style guide you use. The Chicago Manual of Style says not to put spaces. But, the Associated Press Stylebook says to put spaces.

If you are writing something that requires the authority of a particular style guide, then check that guide for the answer. If you are writing something for work, inquire whether your company has a house style guide, and check there first to see if it has a ruling on the spaces issue.

Be sure to check back for parts two and three of this series to learn how to use en dashes and hyphens. As always, you can also follow me on Twitter at @GrammarParty.

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