Run brew edit emacs-mac to open the Formula file of Emacs MacPort

/usr/local/Homebrew/Library/Taps/railwaycat/homebrew-emacsmacport/Formula/emacs-mac.rb

This patch will fix the following:

• Remove the unnecessary left margin when displaying line numbers in buffers
• Compute the maximum line number more precisely when displaying line numbers
• Vertically center lines with extra line spacing
• Draw the filled cursor to

Insert this code into the section installing Emacs 29 emacs-mac.rb:

  patch do
    url "https://raw.githubusercontent.com/taquangtrung/emacs-patches/main/patches/emacs-29-display-prettier.diff"
    sha256 "3344645138c9515d34d88363157d810e1d2d1b7ea321bc0c3d5ada87bf7d9892"
  end