code: func (s *IssuesService) Create(ctx context.Context, owner string, repo string, issue *IssueRequest) (*Issue, *Response, error) {
  	u := fmt.Sprintf("repos/%v/%v/issues", owner, repo)
  	req, err := s.client.NewRequest("POST", u, issue)
  	if err != nil {
  		return nil, nil, err
  	}
  
  	// TODO: remove custom Accept header when this API fully launches.
  	req.Header.Set("Accept", mediaTypeLabelDescriptionSearchPreview)
  
  	i := new(Issue)
  	resp, err := s.client.Do(ctx, req, i)
  	if err != nil {
  		return nil, resp, err
  	}
  
  	return i, resp, nil
  }
docs: // Create a new issue on the specified repository.
  //
  // GitHub API docs: https://developer.github.com/v3/issues/#create-an-issue