Do 404 redirect for threads left over as stubs.

src/General/Main.coffee

@@ -162,8 +162,8 @@ Main =
       attributeFilter: ['href']
 
   initReady: ->
-    if d.title in ['4chan - Temporarily Offline', '4chan - 404 Not Found']
-      if g.VIEW is 'thread'
+    # XXX Sometimes threads don't 404 but are left over as stubs containing one garbage reply post.
+    if g.VIEW is 'thread' and not $ '.opContainer'
       ThreadWatcher.set404 g.BOARD.ID, g.THREADID, ->
         if Conf['404 Redirect']
           Redirect.navigate 'thread',
@@ -173,6 +173,8 @@ Main =
           , "/#{g.BOARD}/"
       return
 
+    return if d.title in ['4chan - Temporarily Offline', '4chan - 404 Not Found']
+
     # 4chan Pass Link
     if styleSelector = $.id 'styleSelector'
       passLink = $.el 'a',