diff --git a/PROMS/XYPlots/XYPlots.cs b/PROMS/XYPlots/XYPlots.cs
index 09e336a5..52c6582f 100644
--- a/PROMS/XYPlots/XYPlots.cs
+++ b/PROMS/XYPlots/XYPlots.cs
@@ -425,7 +425,7 @@ namespace XYPlots
 			char retval;
 			StringBuilder Lbuff = new StringBuilder();
 			retval = NextChar();
-			if (retval != '"')
+			if (retval != '"' && retval != '\x1C') // open double quote
 				MessageBox.Show("Double Quote not found", "String value syntax problem");
 			retval = NextChar();
 			while (retval != 0 && retval != '\n')
@@ -433,6 +433,7 @@ namespace XYPlots
 				switch (retval)
 				{
 					case '"':
+					case '\x1D': // close double quote
 						retval = NextChar();
 						if (retval == ' ')
 						{
@@ -476,7 +477,6 @@ namespace XYPlots
 			Buff = Buff.Replace("><", ">\r\n<");
 			// some data had cr/cr/nl, change to cr/nl
 			Buff = Buff.Replace("\r\r\n", "\r\n");
-
 			while ((ptr = Buff.IndexOf(">\r\n<", ptr)) > 0)
 			{
 				// blank out ">"