rails-ruby1.9-utf8.patch

# based on https://rails.lighthouseapp.com/projects/8994/tickets/4807-error-encodingundefinedconversionerror-xc3-from-ascii-8bit-to-utf-8
# invalid multibyte char (UTF-8), ASCII-8BIT to UTF-8 (Encoding::UndefinedConversionError)
diff --git a/activesupport/lib/active_support/buffered_logger.rb b/activesupport/lib/active_support/buffered_logger.rb
index 29c3843..5e562ee 100644
--- a/activesupport/lib/active_support/buffered_logger.rb
+++ b/activesupport/lib/active_support/buffered_logger.rb
@@ -100,7 +100,12 @@ module ActiveSupport
     def flush
       @guard.synchronize do
         unless buffer.empty?
-          old_buffer = buffer
+          if defined? Encoding
+            old_buffer = buffer.map { |b| (b.encoding == Encoding::ASCII_8BIT)? b.force_encoding(Encoding::UTF_8).encode : b }
+          else
+            old_buffer = buffer
+          end
+          
           @log.write(old_buffer.join)
         end