diff --git a/PROMS/VEPROMS.CSLA.Library/Extension/TransitionExt.cs b/PROMS/VEPROMS.CSLA.Library/Extension/TransitionExt.cs
index 218b80d1..655edd8e 100644
--- a/PROMS/VEPROMS.CSLA.Library/Extension/TransitionExt.cs
+++ b/PROMS/VEPROMS.CSLA.Library/Extension/TransitionExt.cs
@@ -8,17 +8,20 @@ namespace VEPROMS.CSLA.Library
 	{
 		private StringBuilder retstr;
 		private FormatData _MyFormatData = null;
+		private ItemInfo _MyFromItemInfo = null;
 		public string ResolvePathTo(FormatInfo fi, ItemInfo itminfo, ItemInfo toitem, ItemInfo rangeitem)
 		{
 			retstr = new StringBuilder();
 			// get the format of the transition string based on this transition's index into the TransData part of 
 			// format....
 			_MyFormatData = fi.PlantFormat.FormatData;
+			_MyFromItemInfo = itminfo;
 			string tranformat = _MyFormatData.TransData.TransTypeList[TranType].TransFormat;
 			E_TransUI etm = (E_TransUI)_MyFormatData.TransData.TransTypeList[TranType].TransUI;
 			int startIndex = 0;
 			int index = -1;
 			string nontoken = null;
+			bool addedtxt = false;
 			while ((index = tranformat.IndexOf("{", startIndex))>-1)
 			{
 				if (index > startIndex) nontoken = tranformat.Substring(startIndex, index - startIndex);
@@ -27,33 +30,52 @@ namespace VEPROMS.CSLA.Library
 				switch (token)
 				{
 					case "{Proc Num}":		// Coded for HLP
-						AddTransitionProcNum(nontoken, toitem);
+						addedtxt = AddTransitionProcNum(addedtxt, nontoken, toitem);
+						break;
+					case "{?.Proc Num}":
+						addedtxt = AddOptionalTransitionProcNum(addedtxt, token, nontoken, toitem);
 						break;
 					case "{Proc Title}":	// Coded for HLP
-						AddTransitionProcTitle(nontoken, toitem);
+						addedtxt = AddTransitionProcTitle(addedtxt, nontoken, toitem);
+						break;
+					case "{?.Proc Title}":
+						addedtxt = AddOptionalTransitionProcTitle(addedtxt, token, nontoken, toitem);
 						break;
 					case "{First Step}":	// TODO: For hlp: LowerCaseTranNumber - lower case substep numbers in transitions
 						// If we're on a step put out the step number.
 						ItemInfo secitm = TranGetSectionItem(toitem);
 						if ((!((etm & E_TransUI.StepAllowNone) == E_TransUI.StepAllowNone)) || toitem.MyContent.Type > 20000)
 						{
-							Append(nontoken, false);
+							if (addedtxt) Append(nontoken, false);
 							Append(toitem.Ordinal.ToString(), true);
+							addedtxt = true;
 						}
 						break;
 					case "{Last Step}":	// TODO: TStepNoFlag, i.e. include step number in range items.
-						Append(nontoken, false);
+						if (addedtxt) Append(nontoken, false);
 						Append(rangeitem.Ordinal.ToString(), true);
+						addedtxt = true;
 						break;
 					case "{.}":			// TODO: TStepNoFlag, i.e. include step number in range items.
-						Append(nontoken, false);
+						if (addedtxt) Append(nontoken, false);
 						Append("#", true);		// TODO: Intermediate Range.
+						addedtxt = true;
 						break;
 					case "{Sect Hdr}":
-						AddTranGetSectionHdr(nontoken, toitem);
+						addedtxt = AddTranGetSectionHdr(addedtxt, nontoken, toitem);
+						break;
+					case "{?.Sect Hdr}":
+						addedtxt = AddOptionalTranGetSectionHdr(addedtxt, token, nontoken, toitem);
 						break;
 					case "{Sect Title}":
-						AddTranGetSectionTitle(nontoken, toitem);
+						// output from 16-bit code looks like section header
+						addedtxt = AddTranGetSectionHdr(addedtxt, nontoken, toitem);
+						//AddTranGetSectionTitle(nontoken, toitem);
+						break;
+					case "{?.Sect Title}":
+						// output from 16-bit code looks like section header
+						addedtxt = AddOptionalTranGetSectionHdr(addedtxt, token, nontoken, toitem);
+						//AddOptionalTranGetSectionTitle(token, nontoken, toitem);
 						break;
 				}
 				startIndex = endtokn+1;
@@ -76,7 +98,7 @@ namespace VEPROMS.CSLA.Library
 			}
 			retstr.Append(str);
 		}
-		private void AddTransitionProcTitle(string nontoken, ItemInfo toitem)
+		private bool AddTransitionProcTitle(bool addedtxt, string nontoken, ItemInfo toitem)
 		{
 			string parenstr = toitem.MyProcedure.MyContent.Text;
 			StringBuilder lretstr = new StringBuilder();
@@ -90,25 +112,45 @@ namespace VEPROMS.CSLA.Library
 				lretstr.Append(_MyFormatData.TransData.DelimiterForTransitionTitle);
 			}
 			// LATER: if (DoSectionTransitions && GetSTepNO(TSeq1)) TransitionCat(AddCommaStep", Step")); 	
-			if (nontoken != null) Append(nontoken, false);
+			if (addedtxt) Append(nontoken, false);
 			Append(lretstr.ToString(), true);
+			if (lretstr.Length != 0) return true;
+			return false;
 		}
-
 		private string CapFirstLetterOnly(string retstr, int p)
 		{
 			string lretstr = retstr;
 			// LATER:  write code to capitalize first letter (active plants)
 			return lretstr;
 		}
+		private bool AddOptionalTransitionProcTitle(bool addedtxt, string token, string nontoken, ItemInfo toitem)
+		{
+			// token is passed in for future use, i.e. if text is placed between "?" and "." to
+			// request other processing.
 
-		private void AddTransitionProcNum(string nontoken, ItemInfo toitem)
+			// for now the only test is to check if the toitem is in the current procedure.
+			if (_MyFromItemInfo.MyProcedure.ItemID == toitem.MyProcedure.ItemID) return addedtxt?true:false;
+			return AddTransitionProcTitle(addedtxt, nontoken, toitem);
+		}
+		private bool AddTransitionProcNum(bool addedtxt, string nontoken, ItemInfo toitem)
 		{
 			string retstr = toitem.MyProcedure.MyContent.Number;
 			// LATER: start with UnitSpecific procedure number.
 			// LATER: Format Flag TruncateProcNmAfter1stSpace  (dropped plants)
 			// LATER: Format Flag HardSpTranProcNumb (active plants)
-			if (nontoken != null) Append(nontoken, false);
+			if (addedtxt) Append(nontoken, false);
 			Append(retstr, true);
+			if (retstr != null && retstr != "") return true;
+			return false;
+		}
+		private bool AddOptionalTransitionProcNum(bool addedtxt, string token, string nontoken, ItemInfo toitem)
+		{
+			// token is passed in for future use, i.e. if text is placed between "?" and "." to
+			// request other processing.
+
+			// for now the only test is to check if the toitem is in the current procedure.
+			if (_MyFromItemInfo.MyProcedure.ItemID == toitem.MyProcedure.ItemID) return addedtxt ? true : false;
+			return AddTransitionProcNum(addedtxt, nontoken, toitem);
 		}
 		// TODO: Section methods are not complete....
 		private ItemInfo TranGetSectionItem(ItemInfo itminfo)
@@ -117,18 +159,36 @@ namespace VEPROMS.CSLA.Library
 			while (tmpitm.MyContent.Type >= 20000) tmpitm = tmpitm.MyParent;
 			return tmpitm;
 		}
-		private void AddTranGetSectionHdr(string nontoken, ItemInfo itminfo)
+		private bool AddTranGetSectionHdr(bool addedtxt, string nontoken, ItemInfo itminfo)
 		{
 			// if this is a step section & the default section, just return
-			if (TranGetSectionItem(itminfo).IsDefaultSection) return;
+			//if (TranGetSectionItem(itminfo).IsDefaultSection) return;
 			StringBuilder retstr = new StringBuilder();
 			retstr.Append(TranGetSectionNumber(itminfo));
 			string txt = TranGetSectionTitle(itminfo);
 			if (retstr.Length>0 && txt.Length>0) retstr.Append(", ");
 			retstr.Append(txt);
-			Append(nontoken, false);
+			if (addedtxt) Append(nontoken, false);
 			Append(retstr.ToString(), true);
+			if (retstr.Length != 0) return true;
+			return false;
 		}
+		private bool AddOptionalTranGetSectionHdr(bool addedtxt, string token, string nontoken, ItemInfo toitem)
+		{
+			// token is passed in for future use, i.e. if text is placed between "?" and "." to
+			// request other processing.
+
+			// If in same procedure, the section header is put out if not in the same section. 
+			// If in a different procedure, the section header is put out if the 'to' item is not the
+			//   default (or start) section.
+			if (_MyFromItemInfo.MyProcedure.ItemID == toitem.MyProcedure.ItemID)
+			{
+				if (TranGetSectionItem(_MyFromItemInfo).ItemID == TranGetSectionItem(toitem).ItemID) return addedtxt ? true : false;
+			}
+			else if (TranGetSectionItem(toitem).IsDefaultSection) return addedtxt ? true : false;
+			return AddTranGetSectionHdr(addedtxt, nontoken, toitem);
+		}
+
 		private string TranGetSectionNumber(ItemInfo itminfo)
 		{
 			ItemInfo tmpitm = TranGetSectionItem(itminfo);
@@ -144,15 +204,30 @@ namespace VEPROMS.CSLA.Library
 			}
 			return null;
 		}
-		private void AddTranGetSectionTitle(string nontoken, ItemInfo itminfo)
+		private bool AddOptionalTranGetSectionTitle(bool addedtxt, string token, string nontoken, ItemInfo toitem)
+		{
+			// token is passed in for future use, i.e. if text is placed between "?" and "." to
+			// request other processing.
+
+			// for now the only test is to check if the toitem is in the current section.
+			if (TranGetSectionItem(_MyFromItemInfo).ItemID == TranGetSectionItem(toitem).ItemID) return addedtxt ? true : false;
+			if (addedtxt) Append(nontoken, false);
+			string retstr = TranGetSectionTitle(toitem);
+			Append(retstr, true);
+			if (retstr != null && retstr != "") return true;
+			return false;
+		}
+		private bool AddTranGetSectionTitle(bool addedtxt, string nontoken, ItemInfo itminfo)
 		{
 			// LATER: Cap1stSectionTitle, CapFirstLetterOnly
 			if (_MyFormatData.TransData.UseSecTitles)
 			{
-				string txt = TranGetSectionTitle(itminfo);
-				if (txt.Length>0)Append(nontoken, false);
-				Append(txt, true);
+				string retstr = TranGetSectionTitle(itminfo);
+				if (addedtxt)Append(nontoken, false);
+				Append(retstr, true);
+				if (retstr != null && retstr != "") return true;
 			}
+			return false;
 		}
 		public string PathTo
 		{