One more Acid2 fix came in build 7597. Authors may set fallback content for OBJECT elements in HTML 4.01 to be displayed if the OBJECT cannot be rendered. If the server response for an OBJECT resource was an HTTP error code (i.e. 404), Opera would display an inline error page instead of the fallback content. Check this test case to see how your browser handles it.
Opera will now properly show the fallback content for HTTP errors, making the eyes in rows 4 and 5 appear. Here's the updated rendering with this bug fixed:
