capturing.rb in nanoc-3.6.8

- old
+ new

@@ -99,21 +99,21 @@
     #   @return [String] The stored captured content
     def content_for(*args, &block)
       if block_given? # Set content
         # Get args
         if args.size != 1
-          raise ArgumentError, "expected 1 argument (the name " +
+          raise ArgumentError, 'expected 1 argument (the name ' +
             "of the capture) but got #{args.size} instead"
         end
         name = args[0]
 
         # Capture and store
         content = capture(&block)
         @site.captures_store[@item, name.to_sym] = content
       else # Get content
         # Get args
         if args.size != 2
-          raise ArgumentError, "expected 2 arguments (the item " +
+          raise ArgumentError, 'expected 2 arguments (the item ' +
             "and the name of the capture) but got #{args.size} instead"
         end
         item = args[0]
         name = args[1]
 