multimarkdown 6.2.2

Closes #19511.

Signed-off-by: ilovezfs <ilovezfs@icloud.com>

Formula/multimarkdown.rb

@@ -1,12 +1,9 @@
 class Multimarkdown < Formula
   desc "Turn marked-up plain text into well-formatted documents"
-  homepage "http://fletcherpenney.net/multimarkdown/"
-  # Use git tag instead of the tarball to get submodules
-  url "https://github.com/fletcher/MultiMarkdown-5.git",
-    :tag => "5.4.0",
-    :revision => "193c09a5362eb8a6c6433cd5d5f1d7db3efe986a"
-
-  head "https://github.com/fletcher/MultiMarkdown-5.git"
+  homepage "https://fletcher.github.io/MultiMarkdown-6/"
+  url "https://github.com/fletcher/MultiMarkdown-6/archive/6.2.2.tar.gz"
+  sha256 "48a7405c524eda7d47c66ed1f61aece142ce91ee35417f9d960587bb9f726b7c"
+  head "https://github.com/fletcher/MultiMarkdown-6.git"
 
   bottle do
     cellar :any_skip_relocation
@@ -24,9 +21,7 @@ class Multimarkdown < Formula
   conflicts_with "discount", :because => "both install `markdown` binaries"
 
   def install
-    system "sh", "link_git_modules"
-    system "sh", "update_git_modules"
-    system "make"
+    system "make", "release"
 
     cd "build" do
       system "make"