--- a/core.lua	Sat Apr 07 04:59:27 2012 +0000
+++ b/core.lua	Sat Apr 07 05:40:20 2012 +0000
@@ -18,7 +18,7 @@
 - startday		table with month/day/year/text fields from makedate()
 
 Boss specific g_loot indices:
-- bosskill		name of boss/encounter; not necessarily a kill;
+- bossname		name of boss/encounter;
 - 				may be changed if "snarky boss names" option is enabled
 - reason		wipe/kill ("pull" does not generate an entry)
 - instance		name of instance, including size and difficulty
@@ -88,6 +88,7 @@
 
 ------ Constants
 local option_defaults = {
+	['datarev'] = 15,    -- cheating, this isn't actually an option
 	['popup_on_join'] = true,
 	['register_slashloot'] = true,
 	['scroll_to_bottom'] = true,
@@ -441,6 +442,7 @@
 		end,10,self)
 	end
 	opts = OuroLootSV_opts
+	local stored_datarev = opts.datarev
 	for opt,default in pairs(option_defaults) do
 		if opts[opt] == nil then
 			opts[opt] = default
@@ -508,6 +510,19 @@
 	self.history_all.HISTFORMAT = nil   -- don't keep this in live data
 	--OuroLootSV_hist = nil
 
+	-- Handle changes to the stored data format, in stages from oldest to
+	-- newest.  This won't look coherent until multiple stages are happening.
+	if stored_datarev == nil then
+		self:Print("Transitioning saved data format to 15...")
+		for i,e in ipairs(OuroLootSV) do
+			if e.bosskill then
+				e.bossname, e.bosskill = e.bosskill, nil
+			end
+		end
+		stored_datarev = 15
+	end
+	--if stored_datarev == 15 then.... 
+
 	_init(self)
 	self.dprint('flow', "version strings:", revision_large, self.status_text)
 	self.OnInitialize = nil
@@ -801,7 +816,7 @@
 		if addon.latest_instance then return end
 		addon.latest_instance = instance_tag()
 		addon:_mark_boss_kill (addon._addLootEntry{
-			kind='boss',reason='kill',bosskill=[[trash]],instance=addon.latest_instance,duration=0
+			kind='boss',reason='kill',bossname=[[trash]],instance=addon.latest_instance,duration=0
 		})
 	end
 
@@ -1003,7 +1018,7 @@
 
 	elseif cmd == "fake" then  -- maybe comment this out for real users
 		self:_mark_boss_kill (self._addLootEntry{
-			kind='boss',reason='kill',bosskill="Baron Steamroller",instance=instance_tag(),duration=0
+			kind='boss',reason='kill',bossname="Baron Steamroller",instance=instance_tag(),duration=0
 		})
 		self:CHAT_MSG_LOOT ('manual', my_name, 54797)
 		if self.display then
@@ -1395,7 +1410,7 @@
 		if boss.reason == 'kill' then
 			addon:_mark_boss_kill (bossi)
 			if opts.chatty_on_kill then
-				addon:Print("Registered kill for '%s' in %s!", boss.bosskill, boss.instance)
+				addon:Print("Registered kill for '%s' in %s!", boss.bossname, boss.instance)
 			end
 		end
 		wipe(candidates)
@@ -1429,7 +1444,7 @@
 				-- DBM might not trigger for a while).
 				local c = {
 					kind		= 'boss',
-					bosskill	= bossname,      -- minor misnomer, might not actually be a kill
+					bossname	= bossname,
 					reason		= reason,
 					instance	= intag,
 					duration	= duration,      -- these two deliberately may be nil
@@ -1450,7 +1465,7 @@
 			self:Print("Something horribly wrong;", index, "is not a valid entry!")
 			return
 		end
-		if not e.bosskill then
+		if not e.bossname then
 			self:Print("Something horribly wrong;", index, "is not a boss entry!")
 			return
 		end
@@ -1463,8 +1478,8 @@
 
 		local i,d = 1,g_loot[1]
 		while d ~= e do
-			if d.bosskill and
-			   d.bosskill == e.bosskill and
+			if d.bossname and
+			   d.bossname == e.bossname and
 			   d.instance == e.instance and
 			   d.reason == 'wipe'
 			then
@@ -1648,7 +1663,7 @@
 
 		assert(g_loot[is].kind == 'boss')
 		local boss = tremove (g_loot, is)
-		--pprint('loot', "MOVING", boss.bosskill)
+		--pprint('loot', "MOVING", boss.bossname)
 		tinsert (g_loot, should_be, boss)
 		return should_be
 	end