Added a new "var" in the data module to store mapped item results, in order to handle variants

diff --git a/CauldronData.lua b/CauldronData.lua
index b963a9b..8144471 100644
--- a/CauldronData.lua
+++ b/CauldronData.lua
@@ -76,3 +76,9 @@ Cauldron.vars.vendoritems = {
 	39501, -- heavy parchment
 	39502, -- resilient parchment
 };
+
+-- map of items that may result from a particular crafted item, e.g., perfect gem cuts,
+-- minor inscription research, alchemy discovery, etc.
+Cauldron.vars.results = {
+};
+
diff --git a/CauldronMain.lua b/CauldronMain.lua
index 4d416f3..a9529f7 100644
--- a/CauldronMain.lua
+++ b/CauldronMain.lua
@@ -76,6 +76,15 @@ function Cauldron:OnInitialize()
 				type = 'execute',
 				func = function() self:DisplayVersion() end,
 			},
+			logging = {
+				name = L["Logging"],
+				desc = L["Sets the logging level"],
+				type = 'select',
+				values = {
+					['normal'] = function() Cauldron:SetLogLevel(Cauldron.logLevels.INFO); end,
+					['debug'] = function() Cauldron:SetLogLevel(Cauldron.logLevels.DEBUG); end,
+				},
+			},
 			reset = {
 				name = L["Reset"],
 				desc = L["Resets Cauldron to a fresh state"],
@@ -158,6 +167,7 @@ function Cauldron:OnEnable()
 	-- scan bags
 	self:ScanBags();

+	-- register for events we're interested in
 	self:RegisterEvent("TRADE_SKILL_SHOW", "OnTradeShow");
 	self:RegisterEvent("TRADE_SKILL_UPDATE", "OnSkillUpdate");
 	self:RegisterEvent("TRADE_SKILL_CLOSE", "OnTradeClose");
@@ -183,6 +193,7 @@ function Cauldron:OnEnable()
 --	self:RegisterEvent("PLAYER_LOGOUT");
 	self:RegisterEvent("UI_ERROR_MESSAGE", "OnError");

+	-- setup hooks for tooltips
 	self:HookTooltips();

 --@alpha@
@@ -320,6 +331,9 @@ function Cauldron:OnTradeSkillRecast()
 	self:debug("OnTradeSkillRecast enter");
 --@end-alpha@

+	-- keep the processing flag set
+	self.processing = true;
+
 	self:UpdateSkills();

 	CauldronAmountInputBox:SetNumber(GetTradeskillRepeatCount());
@@ -332,14 +346,10 @@ function Cauldron:OnTradeSkillRecast()
 end

 function Cauldron:OnBagUpdate(event, bagid)
---@alpha@
+	--@alpha@
 	self:debug("OnBagUpdate enter");
---@end-alpha@
+	--@end-alpha@

---	if (not CauldronFrame) and (not CauldronFrame:IsShown()) then
---		return;
---	end
-
     -- make sure we're not reacting to initial bag update events when the DB isn't initialized yet
     if (not Cauldron.db) or (not Cauldron.vars) then
         return;
@@ -349,20 +359,20 @@ function Cauldron:OnBagUpdate(event, bagid)
 	local items = Cauldron:GetItemDeltas(bagid);
 	local recalc = false;
 	for item, itemCount in pairs(items) do
---@alpha@
+		--@alpha@
 		self:debug("OnBagUpdate: item="..tostring(item).."; itemCount="..itemCount);
---@end-alpha@
+		--@end-alpha@
 		if itemCount > 0 then
 			-- adjust shopping list
---@alpha@
+		--@alpha@
 		self:debug("OnBagUpdate: adjust shopping list");
---@end-alpha@
+		--@end-alpha@
 --			CauldronShopping:RemoveFromList(self.db.realm.shopping, self.vars.playername, item, itemCount);

 			-- adjust intermediate list
---@alpha@
-		self:debug("OnBagUpdate: adjust intermediate list");
---@end-alpha@
+			--@alpha@
+			self:debug("OnBagUpdate: adjust intermediate list");
+			--@end-alpha@
 			local queue = self.db.realm.userdata[self.vars.playername].queue;
 			local intItem = CauldronQueue:GetIntermediateItem(queue, item);
 			if intItem and (not recalc) then
@@ -378,19 +388,19 @@ function Cauldron:OnBagUpdate(event, bagid)

 	-- check if we were making something, and then update the queue
 	if self.makingItem then
---@alpha@
+		--@alpha@
 		self:debug("OnBagUpdate: self.makingItem="..self.makingItem);
---@end-alpha@
+		--@end-alpha@
 		local count = GetItemCount(self.makingItem);
---@alpha@
+		--@alpha@
 		self:debug("OnBagUpdate: count="..count);
 		self:debug("OnBagUpdate: self.itemCurrentCount="..self.itemCurrentCount);
---@end-alpha@
+		--@end-alpha@
 		if count ~= self.itemCurrentCount then
 			local delta = self.itemCurrentCount - count; -- TODO: is this necessary?
---@alpha@
+			--@alpha@
 			self:debug("OnBagUpdate: delta="..delta);
---@end-alpha@
+			--@end-alpha@
 			CauldronQueue:AdjustItemCount(Cauldron:GetQueue(), self.queueInfo.name, -1);
 			self.itemCurrentCount = count;
 		end
@@ -403,9 +413,9 @@ function Cauldron:OnBagUpdate(event, bagid)
 	self:Frame_Update();
 	Cauldron:UpdateShoppingList();

---@alpha@
+	--@alpha@
 	self:debug("OnBagUpdate exit");
---@end-alpha@
+	--@end-alpha@
 end

 function Cauldron:OnCraftShow()
diff --git a/CauldronMainUI.lua b/CauldronMainUI.lua
index b495dfd..d9854aa 100644
--- a/CauldronMainUI.lua
+++ b/CauldronMainUI.lua
@@ -6,101 +6,98 @@ local L = LibStub("AceLocale-3.0"):GetLocale("Cauldron")
 -- CauldronUI = LibStub("AceAddon-3.0"):NewAddon("CauldronUI", "AceEvent-3.0", "AceConsole-3.0", "LibDebugLog-1.0")

 function Cauldron:Frame_Show()
---@alpha@
+	--@alpha@
  	self:debug("Frame_Show enter");
---@end-alpha@
+	--@end-alpha@

 	if Cauldron.vars.enabled and not(IsShiftKeyDown() and IsControlKeyDown()) then
---@alpha@
+		--@alpha@
 	 	self:debug("Frame_Show: close dropdown menus");
---@end-alpha@
+		--@end-alpha@
  		CloseDropDownMenus();

---	self:UpdateFramePosition();
---	self:UpdateFrameStrata();
-
---@alpha@
+		--@alpha@
 	 	self:debug("Frame_Show: show our frame");
---@end-alpha@
+		--@end-alpha@
  		ShowUIPanel(CauldronFrame);

 		if TradeSkillFrame then
---@alpha@
+			--@alpha@
 			self:debug("Frame_Show: hide the original tradeskill frame");
---@end-alpha@
+			--@end-alpha@

 			-- hide the original tradeskill frame
+			Cauldron.vars.origFrameStrata = TradeSkillFrame:GetFrameStrata();
+			Cauldron.vars.origFrameLevel = TradeSkillFrame:GetFrameLevel();
+
 			TradeSkillFrame:SetAlpha(0);
 			TradeSkillFrame:ClearAllPoints();
 			TradeSkillFrame:SetPoint("TOPLEFT", 0, 900);
---		CauldronFrame:SetPoint("TOPLEFT", TradeSkillFrame, "TOPLEFT", 0, 0);
+			TradeSkillFrame:SetFrameStrata("BACKGROUND");
+			TradeSkillFrame:SetFrameLevel(1);
 	end

 	 	self:RegisterMessage("Cauldron_Update", "OnCauldronUpdate");

---@alpha@
+		--@alpha@
  		self:debug("Frame_Show: call Frame_Update()");
---@end-alpha@
+		--@end-alpha@
 		self:Frame_Update();
 	end

---@alpha@
+	--@alpha@
  	self:debug("Frame_Show exit");
---@end-alpha@
+	--@end-alpha@
 end

 function Cauldron:Frame_Hide()
---@alpha@
+	--@alpha@
  	self:debug("Frame_Hide enter");
---@end-alpha@
+	--@end-alpha@

  	self:UnregisterEvent("Cauldron_Update")
  	HideUIPanel(CauldronFrame);

  	if TradeSkillFrame then
  		TradeSkillFrame:SetAlpha(1.0);
+ 		TradeSkillFrame:SetFrameStrata(Cauldron.vars.origFrameStrata);
+ 		TradeSkillFrame:SetFrameLevel(Cauldron.vars.origFrameLevel);
  	end

---@alpha@
+	--@alpha@
  	self:debug("Frame_Hide exit");
---@end-alpha@
+	--@end-alpha@
 end

 function Cauldron:Frame_Toggle()
---@alpha@
+	--@alpha@
  	self:debug("Frame_Toggle enter");
---@end-alpha@
+	--@end-alpha@

  	if CauldronFrame:IsVisible() then
---@alpha@
+		--@alpha@
 		self:debug("Frame_Toggle: call Frame_Hide()");
---@end-alpha@
+		--@end-alpha@
  		Cauldron:Frame_Hide();
  	else
---@alpha@
+		--@alpha@
 		self:debug("Frame_Toggle: call Frame_Show()");
---@end-alpha@
+		--@end-alpha@
  		Cauldron:Frame_Show();
  	end

---@alpha@
+	--@alpha@
  	self:debug("Frame_Toggle exit");
---@end-alpha@
+	--@end-alpha@
 end

 function Cauldron:Frame_Update()
---@alpha@
+	--@alpha@
  	self:debug("Frame_Update enter");
---@end-alpha@
+	--@end-alpha@

 	local numTradeSkills = GetNumTradeSkills();
---@alpha@
-	self:debug("Frame_Update numTradeSkills: ",numTradeSkills);
---@end-alpha@
 	local name, rank, maxRank = GetTradeSkillLine();
---@alpha@
-	self:debug("Frame_Update name: ",name,"; rank: ",rank,"; maxRank: ",maxRank);
---@end-alpha@

 	if name == "UNKNOWN" then
 		return;
@@ -109,9 +106,9 @@ function Cauldron:Frame_Update()
 	Cauldron:UpdateSkills();

 	if CURRENT_TRADESKILL ~= name then
---@alpha@
+		--@alpha@
 		self:debug("Frame_Update: current skill changed");
---@end-alpha@
+		--@end-alpha@

 		StopTradeSkillRepeat();

@@ -126,56 +123,51 @@ function Cauldron:Frame_Update()
 		CURRENT_TRADESKILL = name;
 	end

-	-- update the frame dimensions
-    -- <Size x="692" y="465" />
---	CauldronFrame:SetHeight(465);
---	CauldronFrame:SetWidth(692);
-
 	-- display skill name, level/progress
---@alpha@
+	--@alpha@
 	self:debug("Frame_Update: display skill level/progress");
---@end-alpha@
+	--@end-alpha@
 	self:UpdateSkillInfo(name, rank, maxRank);

 	-- update search text box
---@alpha@
+	--@alpha@
 	self:debug("Frame_Update: display search text");
---@end-alpha@
+	--@end-alpha@
 	self:UpdateSearchText();

 	-- TODO: update dropdowns
---@alpha@
+	--@alpha@
 	self:debug("Frame_Update: update dropdowns");
---@end-alpha@
+	--@end-alpha@
 	self:UpdateFilterDropDowns();

 	-- display list of matching skills
---@alpha@
+	--@alpha@
 	self:debug("Frame_Update: display list of skills");
---@end-alpha@
+	--@end-alpha@
 	self:UpdateSkillList();

 	-- display queue
---@alpha@
+	--@alpha@
 	self:debug("Frame_Update: display queue");
---@end-alpha@
+	--@end-alpha@
 	self:UpdateQueue();

 	-- update buttons
---@alpha@
+	--@alpha@
 	self:debug("Frame_Update: update buttons");
---@end-alpha@
+	--@end-alpha@
 	self:UpdateButtons();

---@alpha@
+	--@alpha@
  	self:debug("Frame_Update exit");
---@end-alpha@
+	--@end-alpha@
 end

 function Cauldron:UpdateSkillInfo(skillName, rank, maxRank)
---@alpha@
+	--@alpha@
 	self:debug("UpdateSkillInfo enter");
---@end-alpha@
+	--@end-alpha@

 	CauldronRankFrameSkillName:SetText(skillName);

diff --git a/CauldronShoppingList.lua b/CauldronShoppingList.lua
index f07ad49..41ac79e 100644
--- a/CauldronShoppingList.lua
+++ b/CauldronShoppingList.lua
@@ -199,6 +199,21 @@ function CauldronShopping:BuyItem(item, merchInfo, amount)
 	local purchases = 1;

 	if amount > 1 then
+		--[[
+i="Arcane Powder"
+o=40-GetItemCount(i)
+b=o
+_,_,_,_,_,_,_,s=GetItemInfo(i)
+for c=1,GetMerchantNumItems() do
+n,_,_,q=GetMerchantItemInfo(c)
+if n==i then
+for r=1,ceil((o/s)/q) do
+BuyMerchantItem(c,b>=s and s/q or ceil(b/q))
+b=b-s
+end
+end
+end
+		--]]
 	end

 	local total = purchases * merchInfo.quantity;
diff --git a/CauldronUtil.lua b/CauldronUtil.lua
index 007b003..754a94d 100644
--- a/CauldronUtil.lua
+++ b/CauldronUtil.lua
@@ -193,9 +193,10 @@ function Cauldron:GetMerchantItems()

 	for i=1,GetMerchantNumItems() do
 		local name, _, price, quantity, avail, _, extCost = GetMerchantItemInfo(i);
+		Cauldron:info("MERCHANT: item="..name.."; price="..tostring(price).."; quantity="..tostring(quantity).."; avail="..tostring(avail).."; extCost="..tostring(extCost));
 		local maxStack = GetMerchantItemMaxStack(i);

-		if avail > 0 then
+		if avail ~= 0 then
 			items[name] = {
 				['index'] = i,
 				['price'] = price,
diff --git a/Locale/Cauldron-enUS.lua b/Locale/Cauldron-enUS.lua
index 77f1468..05d66da 100644
--- a/Locale/Cauldron-enUS.lua
+++ b/Locale/Cauldron-enUS.lua
@@ -24,6 +24,8 @@ L["Enable Cauldron"] = true
 L["Use Cauldron as your tradeskill interface"] = true
 L["Disable Cauldron"] = true
 L["Use the standard Blizzard window as your tradeskill interface"] = true
+L["Logging"] = true
+L["Sets the logging level"] = true

 L["Auto-buy?"] = true
 L["If this option is checked, then any item that is in the list will be automatically purchased when a vendor window is opened, if that vendor has the items."] = true