Notices by Robin Hill (robinhill@mastodon.me.uk)

@MrAndrewD @anon_opin They're all basically hyphens, just of different lengths — n-dash being the width of a 'n' and m-dash the width of an 'm' (and the basic hyphen being shorter than both). I think the hyphen is only used within words (or when splitting a word between lines), and the n/m dashes used for separating parts of a sentence (as I did earlier), though I'm not sure how the n-dash usage differentiates from the m-dash.