lib/sie/document/renderer.rb in sie-2.2.0 vs lib/sie/document/renderer.rb in sie-3.0.0

@@ -1,9 +1,8 @@
 require "stringio"
 
 class Sie::Document::Renderer
-  EMPTY_ARRAY = :empty_array
   ENCODING = Encoding::CP437
 
   def initialize
     @io = StringIO.new
     @io.set_encoding(ENCODING)
@@ -42,11 +41,12 @@
 
   def format_value(value)
     case value
     when Date
       value.strftime("%Y%m%d")
-    when EMPTY_ARRAY
-      "{}"
+    when Array
+      subvalues = value.map { |subvalue| format_value(subvalue.to_s) }
+      "{#{subvalues.join(' ')}}"
     when Numeric
       value.to_s
     else
       '"' + value.to_s.gsub('"', '\"') + '"'
     end