Fire PostsInserted event on common ancestor of inserted posts.

src/General/Index.coffee

@@ -152,7 +152,7 @@ Index =
       board = $ '.board'
       $.replace board, Index.root
       if Index.loaded
-        $.event 'PostsInserted'
+        $.event 'PostsInserted', null, Index.root
       # Hacks:
       # - When removing an element from the document during page load,
       #   its ancestors will still be correctly created inside of it.
@@ -884,7 +884,7 @@ Index =
       nodes.push thread.nodes.root, $.el('hr')
     $.add Index.root, nodes
     if Index.root.parentNode
-      $.event 'PostsInserted'
+      $.event 'PostsInserted', null, Index.root
     Index.loaded = true
     return
 
@@ -901,7 +901,7 @@ Index =
         $.queueTask fn
       else
         if Index.root.parentNode
-          $.event 'PostsInserted'
+          $.event 'PostsInserted', null, Index.root
         Index.loaded = true
     fn()
     return

src/Miscellaneous/ExpandThread.coffee

@@ -98,7 +98,7 @@ ExpandThread =
       postsRoot.push root
     Main.callbackNodes 'Post', posts
     $.after a, postsRoot
-    $.event 'PostsInserted'
+    $.event 'PostsInserted', null, a.parentNode
 
     postsCount    = postsRoot.length
     a.textContent = Build.summaryText '-', postsCount, filesCount

src/Monitoring/ReplyPruning.coffee

@@ -122,7 +122,7 @@ ReplyPruning =
           ReplyPruning.hidden--
           ReplyPruning.hiddenFiles-- if post.file
       $.after ReplyPruning.summary, frag
-      $.event 'PostsInserted'
+      $.event 'PostsInserted', null, ReplyPruning.summary.parentNode
 
     ReplyPruning.summary.textContent = if ReplyPruning.active
       Build.summaryText '+', ReplyPruning.hidden, ReplyPruning.hiddenFiles

src/Monitoring/ThreadUpdater.coffee

@@ -337,7 +337,7 @@ ThreadUpdater =
         unless QuoteThreading.insert post
           firstPost or= post.nodes.root
           $.add ThreadUpdater.root, post.nodes.root
-      $.event 'PostsInserted'
+      $.event 'PostsInserted', null, ThreadUpdater.root
 
       if scroll
         if Conf['Bottom Scroll']

src/classes/Fetcher.coffee

@@ -48,7 +48,7 @@ class Fetcher
 
     $.rmAll @root
     $.add @root, nodes.root
-    $.event 'PostsInserted'
+    $.event 'PostsInserted', null, @root
 
   fetchedPost: (req, isCached) ->
     # In case of multiple callbacks for the same request,