They should support multiple markdown languages, including Github's. The reason is that when using slack with github integration, it's annoying to need to swit

They should support multiple markdown languages, including Github's. The reason is that when using slack with github integration, it's annoying to need to switch markdown language as one goes back and forth between the two. And Slack's lack of support for code formatting, bullet lists, etc. is IMO a sorely missed in that scenario.