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Most people aren't taking the time to type in
ctrl+shift+u+2+0+1+4when a regular minus-dash would get the point across with a single keystroke. But there is enough of a distinction that some people (like you and I) will use the proper punctuation when there is an opportunity to do so.What I find far more suspicious is the unicode hyphen, because no human would be able to tell the difference, and would therefore always choose to input a minus.
emacs:
C-x 8 _ mC-x 8 RET e m SPC d TAB RETemacs using input methods
C-\ T e X RETto enter TeX input method.- - -to enter an em dash when in that input method.C-\ s g m l RETto enter sgml input method.& m d a s h ;to enter an em dash when in that input method.C-\ r f c 1 3 4 5 RETto enter rfc1345 input method.& - Mto enter an em dash when in that input method.For X11 or Wayland, if you have assigned a key to be Compose: Compose and then three hyphens to get an em dash.
I use emacs every day but idk if this post is putting its best foot forward lol
The stuff there is a heck of a lot easier to input than memorizing numeric Unicode codepoints and using GTK's control-shift-U thing that the parent post was suggesting.
Emacs also can do that (
C-\ u c s RETto enter ucs input method, andu 2 0 1 4with that input method enabled), but it's almost certainly not how you want to input oddball characters unless you've no other choice.I don't know, it seems like a fairly minimalist OS.