Index: src/java/org/apache/poi/hssf/usermodel/HSSFCell.java
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RCS file: /home/cvspublic/jakarta-poi/src/java/org/apache/poi/hssf/usermodel/HSSFCell.java,v
retrieving revision 1.19
diff -u -r1.19 HSSFCell.java
--- src/java/org/apache/poi/hssf/usermodel/HSSFCell.java	28 Nov 2002 19:32:52 -0000	1.19
+++ src/java/org/apache/poi/hssf/usermodel/HSSFCell.java	13 Dec 2002 16:55:41 -0000
@@ -706,7 +706,9 @@
             FormulaRecordAggregate rec = (FormulaRecordAggregate) record;
             rec.getFormulaRecord().setOptions(( short ) 2);
             rec.getFormulaRecord().setValue(0);
-            rec.setXFIndex(( short ) 0x0f);
+            
+            //only set to default if there is no extended format index already set
+            if (rec.getXFIndex() == (short)0) rec.setXFIndex(( short ) 0x0f);
             FormulaParser fp = new FormulaParser(formula+";",book);
             fp.parse();
             Ptg[] ptg  = fp.getRPNPtg();