code: func (l Logs) Blamelist(template string) []EmailNotify {
  	blamelist := stringset.New(0)
  	for _, log := range l {
  		for _, commit := range log {
  			blamelist.Add(commit.Author.Email)
  		}
  	}
  	recipients := make([]EmailNotify, 0, len(blamelist))
  	for recipient := range blamelist {
  		recipients = append(recipients, EmailNotify{
  			Email:    recipient,
  			Template: template,
  		})
  	}
  	sortEmailNotify(recipients)
  	return recipients
  }
docs: // Blamelist computes a set of email notifications from the Logs.