Rubocop: Lint/UselessAssignment

lib/jekyll/converters/markdown/redcarpet_parser.rb

@@ -7,6 +7,7 @@ module Jekyll
             code = code.to_s
             code = code.sub(/<pre>/, "<pre><code class=\"language-#{lang}\" data-lang=\"#{lang}\">")
             code = code.sub(/<\/pre>/, "</code></pre>")
+            code
           end
         end
 

lib/jekyll/document.rb

@@ -278,7 +278,7 @@ module Jekyll
 
     def post_read
       if DATE_FILENAME_MATCHER =~ relative_path
-        m, cats, date, slug, ext = *relative_path.match(DATE_FILENAME_MATCHER)
+        _, _, date, slug, ext = *relative_path.match(DATE_FILENAME_MATCHER)
         merge_data!({
           "slug" => slug,
           "ext"  => ext