--- a/core.lua	Mon Jul 30 19:25:46 2012 +0000
+++ b/core.lua	Wed Aug 01 06:51:52 2012 +0000
@@ -134,7 +134,8 @@
 	['display_bcast_from'] = true,
 	['precache_history_uniques'] = false,
 	['chatty_on_remote_changes'] = false,
-	['chatty_on_remote_changes_frame'] = 1,
+	['chatty_on_local_changes'] = false,
+	['chatty_on_changes_frame'] = 1,
 	['itemfilter'] = {},
 	['itemvault'] = {},
 } }
@@ -392,7 +393,7 @@
 -- En masse forward decls of symbols defined inside local blocks
 local _register_bossmod, makedate, create_new_cache, _init, _log, _do_loot_metas
 local _history_by_loot_id, _setup_unique_replace, _unavoidable_collision
-local _notify_about_change, _notify_about_remote
+local _notify_about_change
 
 -- Try to extract numbers from the .toc "Version" and munge them into an
 -- integral form for comparison.  The result doesn't need to be meaningful as
@@ -957,7 +958,7 @@
 
 	self:_scan_LOD_modules()
 
-	self:_set_remote_change_chatframe (opts.chatty_on_remote_changes_frame, --[[silent_p=]]true)
+	self:_set_chatty_change_chatframe (opts.chatty_on_changes_frame, --[[silent_p=]]true)
 
 	if self.debug.flow then self:Print"is in control-flow debug mode." end
 end
@@ -1058,6 +1059,15 @@
 --
 -- Can't *quite* use the expiring caches for this, but that's okay.
 do
+	local mtnewindex = function() error("This table is read-only", 3) end
+	local function make_readonly (t)
+		return _G.setmetatable({}, {
+			__newindex = mtnewindex,
+			__index = t,
+			__metatable = false,
+		})
+	end
+
 	local unpack = _G.unpack
 	local function F (t)
 		addon.callbacks:Fire (unpack(t))
@@ -1066,6 +1076,9 @@
 	function addon:Fire (...)
 		self.dprint('callback', ...)
 		local capture = flib.new(...)
+		for k,v in ipairs(capture) do if type(v) == 'table' then
+			capture[k] = make_readonly(v)
+		end end
 		self:ScheduleTimer (F, 1.2, capture)
 	end
 end
@@ -1816,9 +1829,9 @@
 
 -- Routines for printing changes made by remote users.
 do
-	local remote_change_chatframe
-
-	function addon:_set_remote_change_chatframe (arg, silent_p)
+	local change_chatframe
+
+	function addon:_set_chatty_change_chatframe (arg, silent_p)
 		local frame
 		if type(arg) == 'number' then
 			arg = _G.math.min (arg, _G.NUM_CHAT_WINDOWS)
@@ -1827,7 +1840,7 @@
 			frame = _G[arg]
 		end
 		if type(frame) == 'table' and type(frame.AddMessage) == 'function' then
-			remote_change_chatframe = frame
+			change_chatframe = frame
 			if not silent_p then
 				local msg = "Now printing to chat frame " .. arg
 				if frame.GetName then
@@ -1844,7 +1857,7 @@
 		end
 	end
 
-	function _notify_about_change (chatframe, source, index, olddisp, from_whom, from_class)
+	local function _notify (chatframe, source, index, olddisp, from_whom, from_class)
 		local e = g_loot[index]
 		if not e then
 			-- how did this happen?
@@ -1886,8 +1899,8 @@
 			e.itemlink, from_text, to_text)
 	end
 
-	function _notify_about_remote (sender, index, olddisp, from_whom, from_class)
-		_notify_about_change (remote_change_chatframe, sender, index, olddisp, from_whom, from_class)
+	function _notify_about_change (sender, index, olddisp, from_whom, from_class)
+		_notify (change_chatframe, sender, index, olddisp, from_whom, from_class)
 	end
 end
 
@@ -3160,11 +3173,12 @@
 		self.loot_clean = nil
 
 		if how == "local" then
-			_notify_about_change (_G.DEFAULT_CHAT_FRAME, _G.UNIT_YOU, index,
-				nil, from_name, from_person_class)
+			if opts.chatty_on_local_changes then
+				_notify_about_change (_G.UNIT_YOU, index, nil, from_name, from_person_class)
+			end
 			self:vbroadcast('reassign', unique, id, from_name, to_name)
 		elseif opts.chatty_on_remote_changes then
-			_notify_about_remote (sender, index, nil, from_name, from_person_class)
+			_notify_about_change (sender, index, nil, from_name, from_person_class)
 		end
 		if self.display then
 			self.display:GetUserData("GUI state").eoiST:OuroLoot_Refresh(index)
@@ -3373,6 +3387,9 @@
 		-- A unique tag has been set by this point.
 		if how == "local" then
 			unique = assert(e.unique)
+			if opts.chatty_on_local_changes then
+				_notify_about_change (_G.UNIT_YOU, index, olddisp)
+			end
 			self:vbroadcast('mark', unique, id, olddisp, newdisp)
 		end
 		self:Fire ('MarkAs', unique, id, e, olddisp or 'normal', newdisp or 'normal')
@@ -3467,7 +3484,7 @@
 		local index = addon:loot_mark_disposition ("remote", sender, unique, item, old, new)
 		--if not addon.enabled then return end   -- hmm
 		if index and opts.chatty_on_remote_changes then
-			_notify_about_remote (sender, index, old)
+			_notify_about_change (sender, index, old)
 		end
 	end