Yes… U’r damnit right…. This is proxy problem..
Some strange thinks…
Same server, same WP version, same same same.. but results with or without proxy are different’s:
Some screenshots: http://mantas.lt/tmp/wp_bugs/
And piece of HTML code from http://www.bararama.net/mal with malformed code at http://p.defau.lt/?lS8g3XelKzZgshMdjRiw8w