func insertMention(user: Token, at range: NSRange) -> Void {
let tokenImage: UIImage = renderMentionToken(text: "@\(user.username)")
let attachment: NSTextAttachment = NSTextAttachment()
attachment.image = tokenImage
attachment.bounds = CGRect(x: 0, y: -3, width: tokenImage.size.width, height: tokenImage.size.height)
attachment.accessibilityLabel = user.username
attachment.accessibilityHint = "Mention of \(user.username)"
let attachmentString: NSMutableAttributedString = NSMutableAttributedString(attributedString: NSAttributedString(attachment: attachment))
attachmentString.addAttribute(.TokenID, value: user.id, range: NSRange(location: 0, length: 1))
attachmentString.addAttribute(.Tokenname, value: user.username, range: NSRange(location: 0, length: 1))
let mutableText: NSMutableAttributedString = NSMutableAttributedString(attributedString: textView.attributedText)
mutableText.replaceCharacters(in: range, with: attachmentString)
mutableText.append(NSAttributedString(string: " "))
textView.attributedText = mutableText
textView.selectedRange = NSRange(location: range.location + 2, length: 0)
mentionRange = nil
tableView.isHidden = true
}#RUN
