Testing version: Version 2.0 (9803)
What were you doing: Editing a file, trying to toggle a H3 level section
What feature did you use: the shortcut for toggle folding
What happened: header turned into H4
What did you expect to happen: the section should fold
On AZERTY (French) keyboards cmd+4 is the same thing as cmd+’
cmd+shift+’ is equal to screen section capture in os x.