>>> "SM" == Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> Every such notification email has its Reply-To header set to a unique
>> email address. Any reply you send to that address will be added as a
>> comment to the corresponding issue or PR. (It will be interpreted as
>> Markdown so quoting works as expected. Just don’t overquote.)

> AFAIK it doesn't actually treat it as markdown.
> It only handles the usual email convention of quoting of previous text
> with `>`.

Currently I am looking for a email--> markdown converter, a bit like 
org-mime that htmlises email, but I try to avoid htmlizing email, but
using markdown seems ok to me in specific situations such as this.