resolves #554 switch default docbook backend to docbook5

- switch docbook backend to docbook5.
- make tests for DocBook 4.5 specify the correct backend
- update documentation to reflect new docbook backend

1 files changed, 4 insertions, 4 deletions

diff --git a/test/text_test.rb b/test/text_test.rb
index 24de8da2..5501e5d0 100644
--- a/test/text_test.rb
+++ b/test/text_test.rb
@@ -17,14 +17,14 @@ context "Text" do
     assert_xpath '//a', output, 1
   end
 
-  test "proper encoding to handle utf8 characters in document using docbook backend" do
-    output = example_document(:encoding, :attributes => {'backend' => 'docbook'}).render
+  test "proper encoding to handle utf8 characters in document using docbook45 backend" do
+    output = example_document(:encoding, :attributes => {'backend' => 'docbook45'}).render
     assert_xpath '//xmlns:simpara', output, 4
     assert_xpath '//xmlns:ulink', output, 1
   end
 
-  test "proper encoding to handle utf8 characters in embedded document using docbook backend" do
-    output = example_document(:encoding, :header_footer => false, :attributes => {'backend' => 'docbook'}).render
+  test "proper encoding to handle utf8 characters in embedded document using docbook45 backend" do
+    output = example_document(:encoding, :header_footer => false, :attributes => {'backend' => 'docbook45'}).render
     assert_xpath '//simpara', output, 4
     assert_xpath '//ulink', output, 1
   end