Reversed the behavior of clicking/shift-clicking on a category item in the dropdown. Now, clicking will select the clicked item and deselect all others; shift-clicking will toggle the selection state of the clicked item.

diff --git a/Cauldron/CauldronMain.lua b/Cauldron/CauldronMain.lua
index a309bcc..fb8b302 100644
--- a/Cauldron/CauldronMain.lua
+++ b/Cauldron/CauldronMain.lua
@@ -1,11 +1,11 @@
--- $Revision: 1.4 $
+-- $Revision$
 -- Cauldron main file

 Cauldron = LibStub("AceAddon-3.0"):NewAddon("Cauldron", "AceEvent-3.0", "AceTimer-3.0", "AceConsole-3.0", "AceHook-3.0", "LibLogger-1.0")
 local L = LibStub("AceLocale-3.0"):GetLocale("Cauldron")

-Cauldron.version = "0.9.2." .. string.sub("$Revision: 1.4 $", 12, -3);
-Cauldron.date = string.sub("$Date: 2009/01/19 23:13:19 $", 8, 17);
+Cauldron.version = "0.9.2." .. string.sub("$Revision$", 12, -3);
+Cauldron.date = string.sub("$Date$", 8, 17);

 -- key binding names
 BINDING_HEADER_CAULDRON = "Cauldron";
diff --git a/Cauldron/CauldronMain.xml b/Cauldron/CauldronMain.xml
index ec02b43..75ba2c4 100644
--- a/Cauldron/CauldronMain.xml
+++ b/Cauldron/CauldronMain.xml
@@ -112,9 +112,11 @@
 						HandleModifiedItemClick(GetTradeSkillItemLink(self.skillIndex));
 					</OnClick>
 					<OnEnter>
-						GameTooltip:SetOwner(self, "ANCHOR_RIGHT");
-						GameTooltip:SetTradeSkillItem(self.skillIndex);
-						CursorUpdate(self);
+						if self.skillIndex then
+							GameTooltip:SetOwner(self, "ANCHOR_RIGHT");
+							GameTooltip:SetTradeSkillItem(self.skillIndex);
+							CursorUpdate(self);
+						end
 					</OnEnter>
 					<OnLeave>
 						GameTooltip:Hide();
diff --git a/Cauldron/CauldronMainUI.lua b/Cauldron/CauldronMainUI.lua
index f9eb316..d3bea9e 100644
--- a/Cauldron/CauldronMainUI.lua
+++ b/Cauldron/CauldronMainUI.lua
@@ -1,4 +1,4 @@
--- $Revision: 1.3 $
+-- $Revision$
 -- Cauldron user interface logic

 local L = LibStub("AceLocale-3.0"):GetLocale("Cauldron")
@@ -100,7 +100,7 @@ function Cauldron:Frame_Update()

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

 	-- TODO: update dropdowns
 	self:debug("Frame_Update: update dropdowns");
@@ -135,10 +135,15 @@ function Cauldron:UpdateSkillInfo(skillName, rank, maxRank)
 	self:debug("UpdateSkillInfo exit");
 end

-function Cauldron:UpdateSearchText(skillName)
+function Cauldron:UpdateSearchText()
 	self:debug("UpdateSearchText enter");
+
+	local skillName = CURRENT_TRADESKILL;
+	if IsTradeSkillLinked() then
+		skillName = "Linked-"..skillName;
+	end

-	local searchText = self.db.realm.userdata[self.vars.playername].skills[skillName].window.search;
+	local searchText = self.db.realm.userdata[self.vars.playername].skills[skillName].window.search or "";
 	if searchText == "" then
 		searchText = SEARCH;
 	end
@@ -1389,7 +1394,7 @@ function Cauldron:CategoryDropDown_SetCategory(info)
 			Cauldron.db.realm.userdata[Cauldron.vars.playername].skills[skillName].window.categories[name].shown = checked;
 		end
 	else
-		if IsShiftKeyDown() then
+		if not IsShiftKeyDown() then
 			-- uncheck everything
 			for name, _ in pairs(Cauldron.db.realm.userdata[Cauldron.vars.playername].skills[skillName].window.categories) do
 				Cauldron.db.realm.userdata[Cauldron.vars.playername].skills[skillName].window.categories[name].shown = false;
diff --git a/Cauldron/CauldronQueue.lua b/Cauldron/CauldronQueue.lua
index da6dbb4..bfa3295 100644
--- a/Cauldron/CauldronQueue.lua
+++ b/Cauldron/CauldronQueue.lua
@@ -1,4 +1,4 @@
--- $Revision: 1.2 $
+-- $Revision$
 -- Cauldron queue management functions

 CauldronQueue = {};
diff --git a/Cauldron/CauldronShoppingList.lua b/Cauldron/CauldronShoppingList.lua
index 0ac265e..2ed6db8 100644
--- a/Cauldron/CauldronShoppingList.lua
+++ b/Cauldron/CauldronShoppingList.lua
@@ -1,4 +1,4 @@
--- $Revision: 1.2 $
+-- $Revision$
 -- Cauldron shopping list functions

 CauldronShopping = {};
diff --git a/Cauldron/CauldronShoppingListUI.lua b/Cauldron/CauldronShoppingListUI.lua
index b031640..30ec14c 100644
--- a/Cauldron/CauldronShoppingListUI.lua
+++ b/Cauldron/CauldronShoppingListUI.lua
@@ -1,4 +1,4 @@
--- $Revision: 1.2 $
+-- $Revision$
 -- Cauldron shopping list UI functions

 function Cauldron:ShoppingList_Toggle()
diff --git a/Cauldron/CauldronTradeskill.lua b/Cauldron/CauldronTradeskill.lua
index 5ed504c..462ff8b 100644
--- a/Cauldron/CauldronTradeskill.lua
+++ b/Cauldron/CauldronTradeskill.lua
@@ -1,4 +1,4 @@
--- $Revision: 1.3 $
+-- $Revision$
 -- Cauldron tradeskill functions

 function Cauldron:UpdateSkills()
diff --git a/Cauldron/CauldronUtil.lua b/Cauldron/CauldronUtil.lua
index 230f85c..ab6aaf4 100644
--- a/Cauldron/CauldronUtil.lua
+++ b/Cauldron/CauldronUtil.lua
@@ -1,4 +1,4 @@
--- $Revision: 1.2 $
+-- $Revision$
 -- Cauldron utility functions

 function Cauldron:GetAltReagentCount(reagentInfo)