code: func unquoteUsage(usage string) (string, string) {
  	for i := 0; i < len(usage); i++ {
  		if usage[i] == '`' {
  			for j := i + 1; j < len(usage); j++ {
  				if usage[j] == '`' {
  					name := usage[i+1 : j]
  					usage = usage[:i] + name + usage[j+1:]
  					return name, usage
  				}
  			}
  			break
  		}
  	}
  	return "", usage
  }
docs: // Returns the placeholder, if any, and the unquoted usage string.