diff --git a/src/compatibility.cpp b/src/compatibility.cpp
index 7339a0f197..351c2672a9 100644
--- a/src/compatibility.cpp
+++ b/src/compatibility.cpp
@@ -81,6 +81,7 @@ enum
 	CP_SECTORFLOOROFFSET,
 	CP_SETWALLYSCALE,
 	CP_SETTHINGZ,
+	CP_SETTAG,
 };
 
 // EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
@@ -307,6 +308,15 @@ void ParseCompatibility()
 				sc.MustGetFloat();
 				CompatParams.Push(FLOAT2FIXED(sc.Float));
 			}
+			else if (sc.Compare("setsectortag"))
+			{
+				if (flags.ExtCommandIndex == ~0u) flags.ExtCommandIndex = CompatParams.Size();
+				CompatParams.Push(CP_SETTAG);
+				sc.MustGetNumber();
+				CompatParams.Push(sc.Number);
+				sc.MustGetNumber();
+				CompatParams.Push(sc.Number);
+			}
 			else 
 			{
 				sc.UnGet();
@@ -520,6 +530,15 @@ void SetCompatibilityParams()
 					i += 3;
 					break;
 				}	
+				case CP_SETTAG:
+				{
+					if ((unsigned)CompatParams[i + 1] < (unsigned)numsectors)
+					{
+						sectors[CompatParams[i + 1]].tag = CompatParams[i + 2];
+					}
+					i += 3;
+					break;
+				}
 			}
 		}
 	}
diff --git a/src/g_doom/a_doomweaps.cpp b/src/g_doom/a_doomweaps.cpp
index 368d7ce8b6..424e691e72 100644
--- a/src/g_doom/a_doomweaps.cpp
+++ b/src/g_doom/a_doomweaps.cpp
@@ -107,6 +107,8 @@ enum SAW_Flags
 	SF_RANDOMLIGHTHIT = 4,
 	SF_NOUSEAMMOMISS = 8,
 	SF_NOUSEAMMO = 16,
+	SF_NOPULLIN = 32,
+	SF_NOTURN = 64,
 };
 
 DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_Saw)
@@ -187,23 +189,27 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_Saw)
 	S_Sound (self, CHAN_WEAPON, hitsound, 1, ATTN_NORM);
 		
 	// turn to face target
-	angle = R_PointToAngle2 (self->x, self->y,
-							 linetarget->x, linetarget->y);
-	if (angle - self->angle > ANG180)
+	if (!(Flags & SF_NOTURN))
 	{
-		if (angle - self->angle < (angle_t)(-ANG90/20))
-			self->angle = angle + ANG90/21;
+			angle = R_PointToAngle2(self->x, self->y,
+			linetarget->x, linetarget->y);
+		if (angle - self->angle > ANG180)
+		{
+			if (angle - self->angle < (angle_t)(-ANG90 / 20))
+				self->angle = angle + ANG90 / 21;
+			else
+				self->angle -= ANG90 / 20;
+		}
 		else
-			self->angle -= ANG90/20;
+		{
+			if (angle - self->angle > ANG90 / 20)
+				self->angle = angle - ANG90 / 21;
+			else
+				self->angle += ANG90 / 20;
+		}
 	}
-	else
-	{
-		if (angle - self->angle > ANG90/20)
-			self->angle = angle - ANG90/21;
-		else
-			self->angle += ANG90/20;
-	}
-	self->flags |= MF_JUSTATTACKED;
+	if (!(Flags & SF_NOPULLIN))
+		self->flags |= MF_JUSTATTACKED;
 }
 
 //
diff --git a/src/g_shared/sbarinfo_commands.cpp b/src/g_shared/sbarinfo_commands.cpp
index c9011e8512..ce94b2bc23 100644
--- a/src/g_shared/sbarinfo_commands.cpp
+++ b/src/g_shared/sbarinfo_commands.cpp
@@ -3383,43 +3383,16 @@ class CommandInInventory : public SBarInfoCommandFlowControl
 			AInventory *invItem[2] = { statusBar->CPlayer->mo->FindInventory(item[0]), statusBar->CPlayer->mo->FindInventory(item[1]) };
 			if (invItem[0] != NULL && amount[0] > 0 && invItem[0]->Amount < amount[0]) invItem[0] = NULL;
 			if (invItem[1] != NULL && amount[1] > 0 && invItem[1]->Amount < amount[1]) invItem[1] = NULL;
-			if(invItem[1] != NULL && conditionAnd)
+
+			if (item[1])
 			{
-				if((invItem[0] != NULL && invItem[1] != NULL) && !negate)
-				{
-					SetTruth(true, block, statusBar);
-					return;
-				}
-				else if((invItem[0] == NULL || invItem[1] == NULL) && negate)
-				{
-					SetTruth(true, block, statusBar);
-					return;
-				}
+				if (conditionAnd)
+					SetTruth((invItem[0] && invItem[1]) != negate, block, statusBar);
+				else
+					SetTruth((invItem[0] || invItem[1]) != negate, block, statusBar);
 			}
-			else if(invItem[1] != NULL && !conditionAnd)
-			{
-				if((invItem[0] != NULL || invItem[1] != NULL) && !negate)
-				{
-					SetTruth(true, block, statusBar);
-					return;
-				}
-				else if((invItem[0] == NULL && invItem[1] == NULL) && negate)
-				{
-					SetTruth(true, block, statusBar);
-					return;
-				}
-			}
-			else if((invItem[0] != NULL) && !negate)
-			{
-				SetTruth(true, block, statusBar);
-				return;
-			}
-			else if((invItem[0] == NULL) && negate)
-			{
-				SetTruth(true, block, statusBar);
-				return;
-			}
-			SetTruth(false, block, statusBar);
+			else
+				SetTruth((invItem[0] != NULL) != negate, block, statusBar);
 		}
 	protected:
 		bool			conditionAnd;
@@ -3458,6 +3431,46 @@ class CommandAlpha : public SBarInfoMainBlock
 
 ////////////////////////////////////////////////////////////////////////////////
 
+class CommandIfHealth : public SBarInfoCommandFlowControl
+{
+	public:
+		CommandIfHealth(SBarInfo *script) : SBarInfoCommandFlowControl(script),
+			negate(false), percentage(false)
+		{
+		}
+
+		void	Parse(FScanner &sc, bool fullScreenOffsets)
+		{
+			if (sc.CheckToken(TK_Identifier))
+			{
+				if (sc.Compare("not"))
+					negate = true;
+				else
+					sc.ScriptError("Expected 'not', but got '%s' instead.", sc.String);
+			}
+
+			sc.MustGetToken(TK_IntConst);
+			percentage = sc.CheckToken('%');
+			hpamount = sc.Number;
+
+			SBarInfoCommandFlowControl::Parse(sc, fullScreenOffsets);
+		}
+		void	Tick(const SBarInfoMainBlock *block, const DSBarInfo *statusBar, bool hudChanged)
+		{
+			SBarInfoCommandFlowControl::Tick(block, statusBar, hudChanged);
+
+			int phealth = percentage ? statusBar->CPlayer->mo->health * 100 / statusBar->CPlayer->mo->GetMaxHealth() : statusBar->CPlayer->mo->health;
+
+			SetTruth((phealth >= hpamount) ^ negate, block, statusBar);
+		}
+	protected:
+		bool	negate;
+		bool	percentage;
+		int		hpamount;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
 static const char *SBarInfoCommandNames[] =
 {
 	"drawimage", "drawnumber", "drawswitchableimage",
@@ -3467,7 +3480,7 @@ static const char *SBarInfoCommandNames[] =
 	"gamemode", "playerclass", "playertype", "aspectratio",
 	"isselected", "usesammo", "usessecondaryammo",
 	"hasweaponpiece", "inventorybarnotvisible",
-	"weaponammo", "ininventory", "alpha",
+	"weaponammo", "ininventory", "alpha", "ifhealth",
 	NULL
 };
 
@@ -3480,7 +3493,7 @@ enum SBarInfoCommands
 	SBARINFO_GAMEMODE, SBARINFO_PLAYERCLASS, SBARINFO_PLAYERTYPE, SBARINFO_ASPECTRATIO,
 	SBARINFO_ISSELECTED, SBARINFO_USESAMMO, SBARINFO_USESSECONDARYAMMO,
 	SBARINFO_HASWEAPONPIECE, SBARINFO_INVENTORYBARNOTVISIBLE,
-	SBARINFO_WEAPONAMMO, SBARINFO_ININVENTORY, SBARINFO_ALPHA,
+	SBARINFO_WEAPONAMMO, SBARINFO_ININVENTORY, SBARINFO_ALPHA, SBARINFO_IFHEALTH,
 };
 
 SBarInfoCommand *SBarInfoCommandFlowControl::NextCommand(FScanner &sc)
@@ -3513,6 +3526,7 @@ SBarInfoCommand *SBarInfoCommandFlowControl::NextCommand(FScanner &sc)
 			case SBARINFO_WEAPONAMMO: return new CommandWeaponAmmo(script);
 			case SBARINFO_ININVENTORY: return new CommandInInventory(script);
 			case SBARINFO_ALPHA: return new CommandAlpha(script);
+			case SBARINFO_IFHEALTH: return new CommandIfHealth(script);
 		}
 
 		sc.ScriptError("Unknown command '%s'.\n", sc.String);
diff --git a/wadsrc/static/actors/constants.txt b/wadsrc/static/actors/constants.txt
index 0332d09a31..d5358e5af4 100644
--- a/wadsrc/static/actors/constants.txt
+++ b/wadsrc/static/actors/constants.txt
@@ -14,6 +14,8 @@ const int SF_RANDOMLIGHTHIT = 4;
 const int SF_RANDOMLIGHTBOTH = 6;
 const int SF_NOUSEAMMOMISS = 8;
 const int SF_NOUSEAMMO = 16;
+const int SF_NOPULLIN = 32;
+const int SF_NOTURN = 64;
 
 // Flags for A_CustomMissile
 const int CMF_AIMOFFSET = 1;