From b8dfc9a32f6ebae45ca367d06d5656af22af8f26 Mon Sep 17 00:00:00 2001
From: Pat Hawks <pat@pathawks.com>
Date: Tue, 2 Oct 2018 03:16:49 -0500
Subject: [PATCH] Cache converter in renderer (#7183)

Merge pull request 7183
---
 lib/jekyll/renderer.rb | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/lib/jekyll/renderer.rb b/lib/jekyll/renderer.rb
index 1b463b9c..9b8b2999 100644
--- a/lib/jekyll/renderer.rb
+++ b/lib/jekyll/renderer.rb
@@ -96,15 +96,17 @@ module Jekyll
     #
     # Returns String the converted content.
     def convert(content)
-      converters.reduce(content) do |output, converter|
-        begin
-          converter.convert output
-        rescue StandardError => e
-          Jekyll.logger.error "Conversion error:",
-                              "#{converter.class} encountered an error while "\
-                              "converting '#{document.relative_path}':"
-          Jekyll.logger.error("", e.to_s)
-          raise e
+      Jekyll::Cache.new("Jekyll::Renderer").getset(content) do
+        converters.reduce(content) do |output, converter|
+          begin
+            converter.convert output
+          rescue StandardError => e
+            Jekyll.logger.error "Conversion error:",
+                                "#{converter.class} encountered an error while "\
+                                "converting '#{document.relative_path}':"
+            Jekyll.logger.error("", e.to_s)
+            raise e
+          end
         end
       end
     end