resolves #1544 built-in writer should not fail if output is nil

- don't fail if output is nil
- don't output trailing endline if output is empty
- inline doctype should return nil if there's nothing to convert

1 files changed, 2 insertions, 2 deletions

diff --git a/test/paragraphs_test.rb b/test/paragraphs_test.rb
index 2e2a8be4..4a3b0402 100644
--- a/test/paragraphs_test.rb
+++ b/test/paragraphs_test.rb
@@ -514,10 +514,10 @@ Wise words from a wise person.
         assert_equal '<a href="http://asciidoc.org">AsciiDoc</a> is a <em>lightweight</em> markup language&#8230;&#8203;', output
       end
 
-      test 'should output empty string if first block is not a paragraph' do
+      test 'should output nil if first block is not a paragraph' do
         input = '* bullet'
         output = render_string input, :doctype => 'inline'
-        assert output.empty?
+        assert output.nil?
       end
     end
   end