lib/roadie/stylesheet.rb in roadie-3.0.2 vs lib/roadie/stylesheet.rb in roadie-3.0.3

@@ -62,10 +62,11 @@
       StyleBlock.new(selector, properties)
     end
 
     def setup_parser(css)
       parser = CssParser::Parser.new
-      parser.add_block! css
+      # CssParser::Parser#add_block! mutates input parameter
+      parser.add_block! css.dup
       parser
     end
   end
 end