lib/rouge/lexers/diff.rb in rouge-3.2.1 vs lib/rouge/lexers/diff.rb in rouge-3.3.0

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 module Rouge
   module Lexers
     class Diff < RegexLexer
       title 'diff'
       desc 'Lexes unified diffs or patches'