1 files changed, 25 insertions, 0 deletions
diff --git a/config/initializers/kramdown_patch.rb b/config/initializers/kramdown_patch.rb
new file mode 100644
index 00000000000..5cb769cec24
--- /dev/null
+++ b/config/initializers/kramdown_patch.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+#
+# This pulls in https://github.com/gettalong/kramdown/pull/708 for kramdown v2.3.0.
+# Remove this file when that pull request is merged and released.
+require 'kramdown/converter'
+require 'kramdown/converter/syntax_highlighter/rouge'
+
+module Kramdown::Converter::SyntaxHighlighter
+  module Rouge
+    def self.formatter_class(opts = {})
+      case formatter = opts[:formatter]
+      when Class
+        formatter
+      when /\A[[:upper:]][[:alnum:]_]*\z/
+        ::Rouge::Formatters.const_get(formatter, false)
+      else
+        # Available in Rouge 2.0 or later
+        ::Rouge::Formatters::HTMLLegacy
+      end
+    rescue NameError
+      # Fallback to Rouge 1.x
+      ::Rouge::Formatters::HTML
+    end
+  end
+end