Index: src/java/org/apache/poi/hssf/record/formula/Ptg.java
===================================================================
RCS file: /home/cvspublic/jakarta-poi/src/java/org/apache/poi/hssf/record/formula/Ptg.java,v
--- src/java/org/apache/poi/hssf/record/formula/Ptg.java	19 May 2005 14:56:45 -0000	1.37
+++ src/java/org/apache/poi/hssf/record/formula/Ptg.java	3 Aug 2005 20:51:32 -0000
@@ -26,6 +26,7 @@ 
  * @author  andy
  * @author avik
  * @author Jason Height (jheight at chariot dot net dot au)
+ * @author Peter Wooster (pkwooster at gmail dot com) RefErrPtg patch
  */
 
 public abstract class Ptg
@@ -186,6 +187,12 @@ 
                 retval = new ReferencePtg(data, offset);
                 break;   
 
+            case RefErrPtg.sid :        // 0x2a       These 3 values 
+            case RefErrPtg.sid+0x20 :   // 0x4a       documented in 
+            case RefErrPtg.sid+0x40 :   // 0x6a       openOffice.org doc.
+                retval = new RefErrPtg(data, offset);
+                break;
+
             case ParenthesisPtg.sid :
                 retval = new ParenthesisPtg(data, offset);
                 break;