fixup! Enable cross reference in code

Author: nobu

lib/rdoc/markup/to_html_crossref.rb

@@ -182,13 +182,13 @@ def convert_flow(flow)
       case item
       when RDoc::Markup::AttrChanger then
         # Make "+Class#method+" a cross reference
-        if respond_to?(:cross_reference) and
-          tt_tag?(item.turn_on) and
-          String === (str = flow[i]) and
+        if tt_tag?(item.turn_on) and
+          String === (text = flow[i]) and
           RDoc::Markup::AttrChanger === flow[i+1] and
           tt_tag?(flow[i+1].turn_off, true) and
-          (text = cross_reference str) != str
+          (@options.hyperlink_all ? ALL_CROSSREF_REGEXP : CROSSREF_REGEXP).match?(text)
         then
+          text = cross_reference text
           text = yield text, res if defined?(yield)
           res << text
           i += 2

test/rdoc/test_rdoc_markup_to_html_crossref.rb

@@ -17,8 +17,10 @@ def test_convert_CROSSREF
     assert_equal para("<a href=\"C1.html\"><code>C1</code></a>"), result
 
     result = @to.convert '+C1+'
-
     assert_equal para("<a href=\"C1.html\"><code>C1</code></a>"), result
+
+    result = @to.convert '<tt># :stopdoc:</tt>:'
+    assert_equal para("<code># :stopdoc:</code>:"), result
   end
 
   def test_convert_CROSSREF_method