Edited stream from May 17th.

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Strikethrough ~~Strikethrough~~ Header1 # H1 or ## H2 or ### H3
• Item * Item
@someone (mention) @someone #123 (gitHub issue) #123
Link [title](http://) Image [alt](http://)
code `code` highlighted code ```
var code = "formated";
*Note: code is surrounded by backticks (i.e. grave symbol). It is found above tab and shares a key with the tidle ~.