scala.rb in rouge-3.17.0

- old
+ new

@@ -38,10 +38,10 @@
       state :root do
         rule %r/(class|trait|object)(\s+)/ do
           groups Keyword, Text
           push :class
         end
-        rule %r/'#{idrest}[^']/, Str::Symbol
+        rule %r/'#{idrest}(?!')/, Str::Symbol
         rule %r/[^\S\n]+/, Text
 
         rule %r(//.*), Comment::Single
         rule %r(/\*), Comment::Multiline, :comment
 