some fix to work better with ruby 1.8.7

lib/prawnto/template_handlers/partials.rb

@@ -33,7 +33,14 @@ def get_file_path(partial_name)
       end
 
       def cleaned_path(provided_partial_path)
-        *provided_path, file_name = provided_partial_path.split("/")
+        if (RUBY_VERSION > "1.8.7")
+          eval('*provided_path, file_name = provided_partial_path.split("/")')
+        else
+          splitted_provided_partial_path = provided_partial_path.split("/")
+          provided_path = splitted_provided_partial_path[0..-2]
+          file_name = splitted_provided_partial_path.last
+        end
+
         file_name = "_"+file_name unless file_name[0] == "_"
         File.join(provided_path, file_name)
       end

spec/dummy/app/mailers/pdf_emailer.rb

@@ -1,14 +1,14 @@
 class PdfEmailer < ActionMailer::Base
   helper :application
-  default from: "from@example.com"
-  
+  default :from => "from@example.com"
+
   def email_with_attachment
     @x = 1
-    
+
     attachments["hello_world.pdf"] = render("test/default_render", :format => :pdf)
     mail :subject => "Hello", :to => "test@test.com" do |format|
       format.text
     end
   end
-  
+
 end

spec/dummy/config/initializers/session_store.rb

@@ -1,6 +1,6 @@
 # Be sure to restart your server when you modify this file.
 
-Dummy::Application.config.session_store :cookie_store, key: '_dummy_session'
+Dummy::Application.config.session_store :cookie_store, :key => '_dummy_session'
 
 # Use the database for sessions instead of the cookie-based default,
 # which shouldn't be used to store highly confidential information

spec/dummy/config/initializers/wrap_parameters.rb

@@ -5,7 +5,7 @@
 
 # Enable parameter wrapping for JSON. You can disable this by setting :format to an empty array.
 ActiveSupport.on_load(:action_controller) do
-  wrap_parameters format: [:json]
+  wrap_parameters :format => [:json]
 end
 
 # Disable root element in JSON by default.