[jeremy151]

You're absolutely right! I kid. I'm also a former avid user of the em-dash, but have mostly stopped using it. I've even started replacing em-dash usage with commas, which often results in a slightly awkward, perhaps incorrect, but quaintly artisanal sentence with a LaCroix-like spritz of authenticity.

My double-space-after-a-period though, I will keep that until the end. Even if it often doesn't even render in HTML output, I feel a nostalgic connection to my 1993 high school typing teacher's insistence that a sentence must be allowed to breathe.

[bhk]

And by the way, what the Hell is up with all these people claiming that two spaces is an obsolete typewriter-era pre-proportional-font thing? Narrow proportional spaces make two spaces after a period MORE important for visually separating sentences. Is it old fashioned to think logically?

[fn-mote]

It’s old fashioned to think that space in the input relates to space in the output.

[CuriouslyC]

Sadly, the comma is not a good em-dash replacement. IME, periods and semicolons do the job best. I still use em-dashes in place of parentheses though because they're so much more readable.

[skue]

You know the only reason we used double spaces between sentences in the typewriter days was because everything was monospaced, right? Modern variable width fonts provide additional space automatically.