I just checked out the Instiki trunk, and am experiencing two unit test 
failures:
  1) Failure:
test_content_with_inlined_img_tag(PageRendererTest)
    [./test/unit/page_renderer_test.rb:382:in `assert_markup_parsed_as''
     ./test/unit/page_renderer_test.rb:201:in 
`test_content_with_inlined_img_tag'']:
Rendering output not as expected.
<"<p>This <IMG SRC=\"http://hobix.com/sample.jpg\"
alt=\"\"> is an
inline image link.</p>"> expected but was
<"<p>This <IMG
SRC=\"http://hobix.com/sample.jpg\" alt=\"\"> is an
inline image link.</p>">.
  2) Failure:
test_content_with_wikiword_in_tag(PageRendererTest)
    [./test/unit/page_renderer_test.rb:382:in `assert_markup_parsed_as''
     ./test/unit/page_renderer_test.rb:161:in 
`test_content_with_wikiword_in_tag'']:
Rendering output not as expected.
<"<p>That is some <em style=\"WikiWord\">Stylish
Emphasis</em></p>">
expected but was
<"<p>That is some <em style=\"\">Stylish
Emphasis</em></p>">.
Application bugs, or test bugs?
// Gregory