Sometimes, he tries to explain how to use the em-dash.

Today I received a request for a “Writing Glitch” post dealing with how to use dashes correctly. Alas, in the examples I’ve been gleaning from Pinterest, Facebook, and other sites, sentences where a dash should be used are conspicuous in their relative absence.

When I talk about dashes, I mean the em dash unless otherwise specified. (An en dash looks a lot like a hyphen, although it’s used quite differently. Back in my day, dashes were dashes, and hyphens were hyphens, and furry little critters from alpha Centauri were… Never mind.)

Anyway, here are a few things The Chicago Manual of Style (Sixteenth Edition) says about dashes:

Using dashes or parentheses (6.92): “Parentheses — stronger than commas and similar to the dash — are used to set off material from the surrounding text. Like the dash but unlike commas, parentheses can set off text that has no grammatical relationship to the rest of the sentence.”

Em dashes instead of commas, parentheses, or colons (6.82): “Em dashes are used to set off an amplifying or explanatory element and in that sense can function as an alternative to parentheses, commas, or a colon — especially when an abrupt break in thought is called for.”

Em dashes to indicate sudden break (6.84): “An em dash or a pair of em dashes may indicate a sudden break in thought or sentence structure or an interruption in dialogue. (Where a faltering rather than a sudden break is intended, suspension points [ellipsis …] may be used; see 13.39.)”

The main thing to remember is that dashes indicate abruptness: the sentence changes direction suddenly, or the speaker is interrupted.

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About Thomas Weaver

I’m a writer and editor who got into professional editing almost by accident years ago when a friend from university needed someone to copyedit his screenplay about giant stompy robots (mecha). Having discovered that I greatly enjoy this kind of work, I’ve been putting my uncanny knack for grammar and punctuation, along with an eclectic mental collection of facts, to good use ever since as a Wielder of the Red Pen of Doom. I'm physically disabled, and for the past several years, I’ve lived with my smugly good-looking twin Paul, who writes military science fiction and refuses to talk about his military service because he can’t. Sometimes Paul and I collaborate on stories, and sometimes I just edit whatever he writes. It's worked out rather well so far. My list of non-writing-related jobs from the past includes librarian, art model, high school teacher, science lab gofer… Although I have no spouse or offspring to tell you about, I do have six cats. (The preferred term is "Insane Cat Gentleman.") I currently spend my time blogging, reading, editing, and fending off cats who like my desk better than my twin’s.
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2 Responses to Sometimes, he tries to explain how to use the em-dash.

  1. Awesome post. Citing the ol editor’s bible instead of ranting…I should take a page from your book. Seems that every time I try to mix being clever with punctuation and grammar I end up putting my foot in my cyber mouth. Hah!

    Liked by 1 person

  2. Thank you for answering my query!

    Liked by 1 person

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