diff --git a/Source/control.cpp b/Source/control.cpp
index 97bbc7cda..d5d0c90d7 100644
--- a/Source/control.cpp
+++ b/Source/control.cpp
@@ -436,7 +436,7 @@ void DrawSpellList()
 					sprintf(infostr, "%s Spell", spelldata[pSpell].sNameText);
 					if (pSpell == SPL_HBOLT) {
 						sprintf(tempstr, "Damages undead only");
-						AddPanelString(tempstr, 1);
+						AddPanelString(tempstr, TRUE);
 					}
 					if (s == 0)
 						sprintf(tempstr, "Spell Level 0 - Unusable");
@@ -480,7 +480,7 @@ void DrawSpellList()
 					if (plr[myplr]._pSplHotKey[t] == pSpell && plr[myplr]._pSplTHotKey[t] == pSplType) {
 						DrawSpellCel(x, y, pSpellCels, t + 48, 56);
 						sprintf(tempstr, "Spell Hot Key #F%i", t + 5);
-						AddPanelString(tempstr, 1);
+						AddPanelString(tempstr, TRUE);
 					}
 				}
 			}
@@ -1342,7 +1342,7 @@ void CheckPanelInfo()
 			}
 			if (PanBtnHotKey[i]) {
 				sprintf(tempstr, "Hotkey : %s", PanBtnHotKey[i]);
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 			}
 			infoclr = COL_WHITE;
 			panelflag = 1;
@@ -1355,17 +1355,17 @@ void CheckPanelInfo()
 		panelflag = 1;
 		pinfoflag = TRUE;
 		strcpy(tempstr, "Hotkey : 's'");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		v = plr[myplr]._pRSpell;
 		if (v != -1) {
 			switch (plr[myplr]._pRSplType) {
 			case RSPLTYPE_SKILL:
 				sprintf(tempstr, "%s Skill", spelldata[v].sSkillText);
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 				break;
 			case RSPLTYPE_SPELL:
 				sprintf(tempstr, "%s Spell", spelldata[v].sNameText);
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 				c = plr[myplr]._pISplLvlAdd + plr[myplr]._pSplLvl[v];
 				if (c < 0)
 					c = 0;
@@ -1373,11 +1373,11 @@ void CheckPanelInfo()
 					sprintf(tempstr, "Spell Level 0 - Unusable");
 				else
 					sprintf(tempstr, "Spell Level %i", c);
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 				break;
 			case RSPLTYPE_SCROLL:
 				sprintf(tempstr, "Scroll of %s", spelldata[v].sNameText);
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 				s = 0;
 				for (i = 0; i < plr[myplr]._pNumInv; i++) {
 					if (plr[myplr].InvList[i]._itype != -1
@@ -1397,16 +1397,16 @@ void CheckPanelInfo()
 					strcpy(tempstr, "1 Scroll");
 				else
 					sprintf(tempstr, "%i Scrolls", s);
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 				break;
 			case RSPLTYPE_CHARGES:
 				sprintf(tempstr, "Staff of %s", spelldata[v].sNameText);
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 				if (plr[myplr].InvBody[INVLOC_HAND_LEFT]._iCharges == 1)
 					strcpy(tempstr, "1 Charge");
 				else
 					sprintf(tempstr, "%i Charges", plr[myplr].InvBody[INVLOC_HAND_LEFT]._iCharges);
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 				break;
 			}
 		}
@@ -1551,7 +1551,7 @@ void DrawInfoBox()
 			sprintf(infostr, "%i gold %s", nGold, get_pieces_str(plr[myplr].HoldItem._ivalue));
 		} else if (!plr[myplr].HoldItem._iStatFlag) {
 			ClearPanel();
-			AddPanelString("Requirements not met", 1);
+			AddPanelString("Requirements not met", TRUE);
 			pinfoflag = TRUE;
 		} else {
 			if (plr[myplr].HoldItem._iIdentified)
@@ -1588,9 +1588,9 @@ void DrawInfoBox()
 			strcpy(infostr, plr[pcursplr]._pName);
 			ClearPanel();
 			sprintf(tempstr, "Level : %i", plr[pcursplr]._pLevel);
-			AddPanelString(tempstr, 1);
+			AddPanelString(tempstr, TRUE);
 			sprintf(tempstr, "Hit Points %i of %i", plr[pcursplr]._pHitPoints >> 6, plr[pcursplr]._pMaxHP >> 6);
-			AddPanelString(tempstr, 1);
+			AddPanelString(tempstr, TRUE);
 		}
 	}
 	if (infostr[0] || pnumlines)
diff --git a/Source/cursor.cpp b/Source/cursor.cpp
index 613ea2967..7f072aa16 100644
--- a/Source/cursor.cpp
+++ b/Source/cursor.cpp
@@ -131,7 +131,7 @@ void CheckTown()
 				ClearPanel();
 				strcpy(infostr, "Town Portal");
 				sprintf(tempstr, "from %s", plr[missile[mx]._misource]._pName);
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 				cursmx = missile[mx]._mix;
 				cursmy = missile[mx]._miy;
 			}
@@ -160,7 +160,7 @@ void CheckRportal()
 					strcpy(tempstr, "The Unholy Altar");
 				else
 					strcpy(tempstr, "level 15");
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 				cursmx = missile[mx]._mix;
 				cursmy = missile[mx]._miy;
 			}
diff --git a/Source/diablo.cpp b/Source/diablo.cpp
index 82d5a8282..3c3fa6912 100644
--- a/Source/diablo.cpp
+++ b/Source/diablo.cpp
@@ -1095,8 +1095,8 @@ void PressKey(int vkey)
 			helpflag = 0;
 		} else if(stextflag) {
 			ClearPanel();
-			AddPanelString("No help available", 1); /// BUGFIX: message isn't displayed
-			AddPanelString("while in stores", 1);
+			AddPanelString("No help available", TRUE); /// BUGFIX: message isn't displayed
+			AddPanelString("while in stores", TRUE);
 			track_repeat_walk(0);
 		} else {
 			invflag = 0;
@@ -1915,8 +1915,8 @@ void timeout_cursor(BOOL bTimeout)
 			sgnTimeoutCurs = pcurs;
 			multi_net_ping();
 			ClearPanel();
-			AddPanelString("-- Network timeout --", 1);
-			AddPanelString("-- Waiting for players --", 1);
+			AddPanelString("-- Network timeout --", TRUE);
+			AddPanelString("-- Waiting for players --", TRUE);
 			SetCursor_(CURSOR_HOURGLASS);
 			drawpanflag = 255;
 		}
diff --git a/Source/items.cpp b/Source/items.cpp
index 544540f94..45392cc3b 100644
--- a/Source/items.cpp
+++ b/Source/items.cpp
@@ -2585,67 +2585,67 @@ void PrintItemOil(char IDidx)
 	switch (IDidx) {
 	case IMISC_FULLHEAL:
 		strcpy(tempstr, "fully recover life");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_HEAL:
 		strcpy(tempstr, "recover partial life");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_OLDHEAL:
 		strcpy(tempstr, "recover life");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_DEADHEAL:
 		strcpy(tempstr, "deadly heal");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_MANA:
 		strcpy(tempstr, "recover mana");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_FULLMANA:
 		strcpy(tempstr, "fully recover mana");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_ELIXSTR:
 		strcpy(tempstr, "increase strength");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_ELIXMAG:
 		strcpy(tempstr, "increase magic");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_ELIXDEX:
 		strcpy(tempstr, "increase dexterity");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_ELIXVIT:
 		strcpy(tempstr, "increase vitality");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_ELIXWEAK:
 		strcpy(tempstr, "decrease strength");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_ELIXDIS:
 		strcpy(tempstr, "decrease strength");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_ELIXCLUM:
 		strcpy(tempstr, "decrease dexterity");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_ELIXSICK:
 		strcpy(tempstr, "decrease vitality");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_REJUV:
 		strcpy(tempstr, "recover life and mana");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	case IMISC_FULLREJUV:
 		strcpy(tempstr, "fully recover life and mana");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		break;
 	}
 }
@@ -2997,30 +2997,30 @@ void PrintItemMisc(ItemStruct *x)
 {
 	if (x->_iMiscId == IMISC_SCROLL) {
 		strcpy(tempstr, "Right-click to read");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	if (x->_iMiscId == IMISC_SCROLLT) {
 		strcpy(tempstr, "Right-click to read, then");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		strcpy(tempstr, "left-click to target");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	if (x->_iMiscId >= IMISC_USEFIRST && x->_iMiscId <= IMISC_USELAST) {
 		PrintItemOil(x->_iMiscId);
 		strcpy(tempstr, "Right click to use");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	if (x->_iMiscId == IMISC_BOOK) {
 		strcpy(tempstr, "Right click to read");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	if (x->_iMiscId == IMISC_MAPOFDOOM) {
 		strcpy(tempstr, "Right click to view");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	if (x->_iMiscId == IMISC_EAR) {
 		sprintf(tempstr, "Level : %i", x->_ivalue);
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 }
 
@@ -3031,30 +3031,30 @@ void PrintItemDetails(ItemStruct *x)
 			sprintf(tempstr, "damage: %i-%i  Indestructible", x->_iMinDam, x->_iMaxDam);
 		else
 			sprintf(tempstr, "damage: %i-%i  Dur: %i/%i", x->_iMinDam, x->_iMaxDam, x->_iDurability, x->_iMaxDur);
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	if (x->_iClass == ICLASS_ARMOR) {
 		if (x->_iMaxDur == 255)
 			sprintf(tempstr, "armor: %i  Indestructible", x->_iAC);
 		else
 			sprintf(tempstr, "armor: %i  Dur: %i/%i", x->_iAC, x->_iDurability, x->_iMaxDur);
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	if (x->_iMiscId == IMISC_STAFF && x->_iMaxCharges) {
 		sprintf(tempstr, "dam: %i-%i  Dur: %i/%i", x->_iMinDam, x->_iMaxDam, x->_iDurability, x->_iMaxDur);
 		sprintf(tempstr, "Charges: %i/%i", x->_iCharges, x->_iMaxCharges);
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	if (x->_iPrePower != -1) {
 		PrintItemPower(x->_iPrePower, x);
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	if (x->_iSufPower != -1) {
 		PrintItemPower(x->_iSufPower, x);
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	if (x->_iMagical == ITEM_QUALITY_UNIQUE) {
-		AddPanelString("unique item", 1);
+		AddPanelString("unique item", TRUE);
 		uitemflag = 1;
 		curruitem = *x;
 	}
@@ -3067,7 +3067,7 @@ void PrintItemDetails(ItemStruct *x)
 			sprintf(tempstr, "%s %i Mag", tempstr, x->_iMinMag);
 		if (x->_iMinDex)
 			sprintf(tempstr, "%s %i Dex", tempstr, x->_iMinDex);
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	pinfoflag = TRUE;
 }
@@ -3079,29 +3079,29 @@ void PrintItemDur(ItemStruct *x)
 			sprintf(tempstr, "damage: %i-%i  Indestructible", x->_iMinDam, x->_iMaxDam);
 		else
 			sprintf(tempstr, "damage: %i-%i  Dur: %i/%i", x->_iMinDam, x->_iMaxDam, x->_iDurability, x->_iMaxDur);
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		if (x->_iMiscId == IMISC_STAFF && x->_iMaxCharges) {
 			sprintf(tempstr, "Charges: %i/%i", x->_iCharges, x->_iMaxCharges);
-			AddPanelString(tempstr, 1);
+			AddPanelString(tempstr, TRUE);
 		}
 		if (x->_iMagical != ITEM_QUALITY_NORMAL)
-			AddPanelString("Not Identified", 1);
+			AddPanelString("Not Identified", TRUE);
 	}
 	if (x->_iClass == ICLASS_ARMOR) {
 		if (x->_iMaxDur == 255)
 			sprintf(tempstr, "armor: %i  Indestructible", x->_iAC);
 		else
 			sprintf(tempstr, "armor: %i  Dur: %i/%i", x->_iAC, x->_iDurability, x->_iMaxDur);
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		if (x->_iMagical != ITEM_QUALITY_NORMAL)
-			AddPanelString("Not Identified", 1);
+			AddPanelString("Not Identified", TRUE);
 		if (x->_iMiscId == IMISC_STAFF && x->_iMaxCharges) {
 			sprintf(tempstr, "Charges: %i/%i", x->_iCharges, x->_iMaxCharges);
-			AddPanelString(tempstr, 1);
+			AddPanelString(tempstr, TRUE);
 		}
 	}
 	if (x->_itype == ITYPE_RING || x->_itype == ITYPE_AMULET)
-		AddPanelString("Not Identified", 1);
+		AddPanelString("Not Identified", TRUE);
 	PrintItemMisc(x);
 	if (x->_iMinMag + x->_iMinDex + x->_iMinStr) {
 		strcpy(tempstr, "Required:");
diff --git a/Source/monster.cpp b/Source/monster.cpp
index 7301a6b35..3ccfda100 100644
--- a/Source/monster.cpp
+++ b/Source/monster.cpp
@@ -4995,7 +4995,7 @@ void PrintMonstHistory(int mt)
 	int minHP, maxHP, res;
 
 	sprintf(tempstr, "Total kills : %i", monstkills[mt]);
-	AddPanelString(tempstr, 1);
+	AddPanelString(tempstr, TRUE);
 	if (monstkills[mt] >= 30) {
 		minHP = monsterdata[mt].mMinHP;
 		maxHP = monsterdata[mt].mMaxHP;
@@ -5016,7 +5016,7 @@ void PrintMonstHistory(int mt)
 			maxHP = 4 * maxHP + 3;
 		}
 		sprintf(tempstr, "Hit Points : %i-%i", minHP, maxHP);
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 	}
 	if (monstkills[mt] >= 15) {
 		if (gnDifficulty != DIFF_HELL)
@@ -5026,7 +5026,7 @@ void PrintMonstHistory(int mt)
 		res = res & (RESIST_MAGIC | RESIST_FIRE | RESIST_LIGHTNING | IMUNE_MAGIC | IMUNE_FIRE | IMUNE_LIGHTNING);
 		if (!res) {
 			strcpy(tempstr, "No magic resistance");
-			AddPanelString(tempstr, 1);
+			AddPanelString(tempstr, TRUE);
 		} else{
 			if (res & (RESIST_MAGIC | RESIST_FIRE | RESIST_LIGHTNING)) {
 				strcpy(tempstr, "Resists : ");
@@ -5037,7 +5037,7 @@ void PrintMonstHistory(int mt)
 				if (res & RESIST_LIGHTNING)
 					strcat(tempstr, "Lightning ");
 				tempstr[strlen(tempstr) - 1] = '\0';
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 			}
 			if (res & (IMUNE_MAGIC | IMUNE_FIRE | IMUNE_LIGHTNING)) {
 				strcpy(tempstr, "Immune : ");
@@ -5048,7 +5048,7 @@ void PrintMonstHistory(int mt)
 				if (res & IMUNE_LIGHTNING)
 					strcat(tempstr, "Lightning ");
 				tempstr[strlen(tempstr) - 1] = '\0';
-				AddPanelString(tempstr, 1);
+				AddPanelString(tempstr, TRUE);
 			}
 		}
 	}
@@ -5062,21 +5062,21 @@ void PrintUniqueHistory()
 	res = monster[pcursmonst].mMagicRes & (RESIST_MAGIC | RESIST_FIRE | RESIST_LIGHTNING | IMUNE_MAGIC | IMUNE_FIRE | IMUNE_LIGHTNING);
 	if (!res) {
 		strcpy(tempstr, "No resistances");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		strcpy(tempstr, "No Immunities");
 	} else {
 		if (res & (RESIST_MAGIC | RESIST_FIRE | RESIST_LIGHTNING))
 			strcpy(tempstr, "Some Magic Resistances");
 		else
 			strcpy(tempstr, "No resistances");
-		AddPanelString(tempstr, 1);
+		AddPanelString(tempstr, TRUE);
 		if (res & (IMUNE_MAGIC | IMUNE_FIRE | IMUNE_LIGHTNING)) {
 			strcpy(tempstr, "Some Magic Immunities");
 		} else {
 			strcpy(tempstr, "No Immunities");
 		}
 	}
-	AddPanelString(tempstr, 1);
+	AddPanelString(tempstr, TRUE);
 	pinfoflag = TRUE;
 }