resolves #3005 remove the converter for the docbook45 backend (PR #3040)

- remove the DocBook45Converter class
- remove accomodations in DocBook5Converter for DocBook 4.5
- don't register the docbook45 backend name in the converter registry
- drop docbook45 from the backend CLI option values
- don't mention DocBook 4.5 in the man page
- don't mention DocBook 4.5 in the CLI usage statement
- update tests to use DocBook 5 instead of DocBook 4.5

1 files changed, 6 insertions, 6 deletions

diff --git a/test/text_test.rb b/test/text_test.rb
index b8bf24b6..daa4a172 100644
--- a/test/text_test.rb
+++ b/test/text_test.rb
@@ -13,16 +13,16 @@ context "Text" do
     assert_xpath '//a', output, 1
   end
 
-  test "proper encoding to handle utf8 characters in document using docbook45 backend" do
-    output = example_document(:encoding, attributes: { 'backend' => 'docbook45', 'xmlns' => '' }).convert
+  test 'proper encoding to handle utf8 characters in document using docbook backend' do
+    output = example_document(:encoding, attributes: { 'backend' => 'docbook', 'xmlns' => '' }).convert
     assert_xpath '//xmlns:simpara', output, 4
-    assert_xpath '//xmlns:ulink', output, 1
+    assert_xpath '//xmlns:link', output, 1
   end
 
-  test "proper encoding to handle utf8 characters in embedded document using docbook45 backend" do
-    output = example_document(:encoding, header_footer: false, attributes: { 'backend' => 'docbook45' }).convert
+  test 'proper encoding to handle utf8 characters in embedded document using docbook backend' do
+    output = example_document(:encoding, header_footer: false, attributes: { 'backend' => 'docbook' }).convert
     assert_xpath '//simpara', output, 4
-    assert_xpath '//ulink', output, 1
+    assert_xpath '//link', output, 1
   end
 
   # NOTE this test ensures we have the encoding line on block templates too