setup keyboard shortcuts
? : show keyboard shortcuts
j : move downward
k : move upward
o : open
c : compose new message
s (while open) : star / unstar
- (while open) : unmark as important
+ (while open) : mark as important
r : reply
a : reply all
e : archive
# (while open) : delete
u : return to main window
/ : move focus to search bar
Markdown here extension: http://markdown-here.com/
Markdown syntax: http://daringfireball.net/projects/markdown/syntax
fn + control + option + m : convert markdown to rich text using markdown-here