This is a low priority feature request. It would be nice if there was some ability to format text within the body of the email: just simple formatting like bold text, italics, bullets and font color/background color. It would just provide more eye candy for the end-user and make it easier to have certain content jump out.
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
I have reviewed MR-11 and found that now it provides proper options to format email body as seen in attached screenshot.
The changes looks good to me thus moving this to RTBC.