Ruby 1.8.7 で //list を含む --target=html がコケる

lib/review/htmlutils.rb

@@ -39,16 +39,20 @@ def highlight(ops)
 
       begin
         require 'pygments'
-        Pygments.highlight(
-                 unescape_html(body),
-                 :options => {
-                             :nowrap => true,
-                             :noclasses => true
-                           },
-                 :formatter => format,
-                 :lexer => lexer)
-      rescue LoadError, MentosError
-        body
+        begin
+          Pygments.highlight(
+                   unescape_html(body),
+                   :options => {
+                               :nowrap => true,
+                               :noclasses => true
+                             },
+                   :formatter => format,
+                   :lexer => lexer)
+        rescue MentosError
+          body
+        end
+      rescue LoadError
+          body
       end
     end
   end

test/test_htmlbuilder.rb

@@ -276,6 +276,14 @@ def @chapter.image(id)
     assert_equal %Q|<div class="image">\n<img src="images/chap1-sampleimg.png" alt="" width="120%" />\n</div>\n|, @builder.raw_result
   end
 
+  def test_list
+    def @chapter.list(id)
+      Book::ListIndex::Item.new("samplelist",1)
+    end
+    @builder.list(["test1", "test1.5", "", "test<i>2</i>"], "samplelist", "this is @<b>{test}<&>_")
+    assert_equal %Q|<div class="caption-code">\n<p class="caption">リスト1.1: this is <b>test</b>&lt;&amp;&gt;_</p>\n<pre class="list">test1\ntest1.5\n\ntest<i>2</i>\n</pre>\n</div>\n|, @builder.raw_result
+  end
+
   def test_emlist
     @builder.emlist(["lineA","lineB"])
     assert_equal %Q|<div class="emlist-code">\n<pre class="emlist">lineA\nlineB\n</pre>\n</div>\n|, @builder.raw_result