Index: app/models/issue.rb
===================================================================
--- app/models/issue.rb	(revision 13182)
+++ app/models/issue.rb	(working copy)
@@ -1093,6 +1093,7 @@
     s << ' child' if child?
     s << ' parent' unless leaf?
     s << ' private' if is_private?
+    s << ' has_attachments' unless attachments == []
     if user.logged?
       s << ' created-by-me' if author_id == user.id
       s << ' assigned-to-me' if assigned_to_id == user.id
Index: public/stylesheets/application.css
===================================================================
--- public/stylesheets/application.css	(revision 13182)
+++ public/stylesheets/application.css	(working copy)
@@ -154,6 +154,7 @@
 tr.issue td.relations { text-align: left; }
 tr.issue td.done_ratio table.progress { margin-left:auto; margin-right: auto;}
 tr.issue td.relations span {white-space: nowrap;}
+tr.issue.has_attachments td.subject {padding-left: 18px; background: url(../images/attachment.png) no-repeat 0 50%;}
 table.issues td.description {color:#777; font-size:90%; padding:4px 4px 4px 24px; text-align:left; white-space:normal;}
 table.issues td.description pre {white-space:normal;}

Index: test/unit/issue_test.rb
===================================================================
--- test/unit/issue_test.rb	(revision 13182)
+++ test/unit/issue_test.rb	(working copy)
@@ -2279,6 +2279,17 @@
     assert_include 'assigned-to-me', issue2.css_classes(user)
   end

+  def test_css_classes_should_include_attachments
+    set_tmp_attachments_directory
+    issue = Issue.generate!
+    assert_not_include 'has_attachments', issue.css_classes.split(' ')
+    issue.save_attachments({
+      '1' => {'file' => mock_file_with_options(:original_filename => 'foo')}
+    })
+    issue.attach_saved_attachments
+    assert_include 'has_attachments', issue.css_classes.split(' ')
+  end
+
   def test_save_attachments_with_hash_should_save_attachments_in_keys_order
     set_tmp_attachments_directory
     issue = Issue.generate!