Earlier quoted context omitted.
Why is - and -- used as a switch character if it is used in dates (and even quite common in normal text, names) Those uses rarely have it next to whitespace, and almost never immediately after whitespace. If someone’s named Jean-Claude, it is not customary to refer to them as -Claude for short, and if I refer to items dated 2012-03-19 and 2012-03-20, it is not customary to call one of them -20. But that last example…
Well responded. Two (not entirely serious) counterarguments: - Lists like this - Abusing the char as em-dash - Weird languages. In German it's quite common to use that character to shorten the monster words. Pulling samples from my reared (note the disclaimer about being not to serious) Lebens- und Krankenversicherung (Shorthand for Lebensversicherung und Krankenversicherung) The inverse is possible, but less common…
The last usage is also possible in English. A construction like “face-huggers and -eaters” is rare but not outlandish.