Avoid autolinking Markdown URIs (ticket:177)

app/models/chunks/uri.rb

@@ -71,7 +71,7 @@ class URIChunk < Chunk::Abstract
         '(?=\.?(?:\s|\)|\z))'         # ends only with optional dot + space or ")" 
                                       # or end of the string
 
-    SUSPICIOUS_PRECEDING_CHARACTER = '(!|\"\:|\"|\\\')?'  # any of !, ":, ", '
+    SUSPICIOUS_PRECEDING_CHARACTER = '(!|\"\:|\"|\\\'|\]\()?'  # any of !, ":, ", ', ](
   
     INTERNET_URI_REGEXP = 
         Regexp.new(SUSPICIOUS_PRECEDING_CHARACTER + INTERNET_URI, Regexp::EXTENDED, 'N')

app/models/wiki_content.rb

@@ -142,6 +142,8 @@ class WikiContent < String
     @options[:engine_opts] = [:filter_html, :filter_styles] if @web.safe_mode
     @options[:active_chunks] = (ACTIVE_CHUNKS - [WikiChunk::Word] ) if @web.brackets_only
     
+    @not_rendered = @pre_rendered = nil
+    
     super(@revision.content)
     init_chunk_manager
     build_chunks

test/unit/revision_test.rb

@@ -73,6 +73,15 @@ class RevisionTest < Test::Unit::TestCase
 	    code_block)
   end
   
+  def test_markdown_hyperlink_with_slash
+    # in response to a bug, see http://dev.instiki.org/attachment/ticket/177
+    @web.markup = :markdown
+
+    assert_markup_parsed_as(
+        '<p><a href="http://example/with/slash">text</a></p>', 
+        '[text](http://example/with/slash)')
+  end
+
   def test_mixed_formatting
 
     textile_and_markdown = [