You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: discount.rb
    path of file: ./repos/homebrew-core/Formula/d
    
    the code of the file until where you have to start completion: class Discount < Formula
  desc "C implementation of Markdown"
  homepage "https://www.pell.portland.or.us/~orc/Code/discount/"
  url "https://www.pell.portland.or.us/~orc/Code/discount/discount-2.2.7d.tar.bz2"
  sha256 "12a2041e96ae8cde17e08ff1a215d331580a5c58688daa5a18842b6bb5b77b52"
  license "BSD-3-Clause"
  head 
    
  def install
    # Shared libraries are currently not built because they require
    # root access to build without patching.
    # Issue reported upstream here: https://github.com/Orc/discount/issues/266.
    # Add --shared to args when this is resolved.
    args = %W[
      --prefix=#{prefix}
      --mandir=#{man}
      --with-dl=Both
      --enable-dl-tag
      --enable-pandoc-header
      --enable-superscript
      --pkg-config
    ]
    system "./configure.sh", *args
    bin.mkpath
    lib.mkpath
    include.mkpath
    system "make", "install.everything"
  end