code: func (b *Btelegram) handleQuoting(rmsg *config.Message, message *tgbotapi.Message) {
  	if message.ReplyToMessage != nil {
  		usernameReply := ""
  		if message.ReplyToMessage.From != nil {
  			if b.GetBool("UseFirstName") {
  				usernameReply = message.ReplyToMessage.From.FirstName
  			}
  			if usernameReply == "" {
  				usernameReply = message.ReplyToMessage.From.UserName
  				if usernameReply == "" {
  					usernameReply = message.ReplyToMessage.From.FirstName
  				}
  			}
  		}
  		if usernameReply == "" {
  			usernameReply = unknownUser
  		}
  		if !b.GetBool("QuoteDisable") {
  			rmsg.Text = b.handleQuote(rmsg.Text, usernameReply, message.ReplyToMessage.Text)
  		}
  	}
  }
docs: // handleQuoting handles quoting of previous messages