Although not in the original markdown specs.
It’d be nice if this text had a strikethrough applied to it.
(when posting, it doesn’t)
See GitHub’s use: https://help.github.com/articles/basic-writing-and-formatting-syntax/#styling-text
See Slack’s use: https://get.slack.help/hc/en-us/articles/202288908-Format-your-messages#strikethrough
I personally prefer the double tilde use, but I don’t really mind either way.