diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 2d76caebf5e..c70777de26d 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,9 @@
+2003-10-08  Michael Koch  <konqueror@gmx.de>
+
+	* java/text/SimpleDateFormat.java
+	(compileFormat): Replace Character.isLetter() test with
+	Character.isLowerCase() || Character.isUpperCase().
+
 2003-10-08  Tom Tromey  <tromey@redhat.com>
 
 	* java/lang/StrictMath.java (toDegrees): Multiply before
diff --git a/libjava/java/text/SimpleDateFormat.java b/libjava/java/text/SimpleDateFormat.java
index 804234f78a2..3ad71ee89ed 100644
--- a/libjava/java/text/SimpleDateFormat.java
+++ b/libjava/java/text/SimpleDateFormat.java
@@ -117,7 +117,8 @@ public class SimpleDateFormat extends DateFormat
       field = formatData.getLocalPatternChars().indexOf(thisChar);
       if (field == -1) {
 	current = null;
-	if (Character.isLetter(thisChar)) {
+	if (Character.isLowerCase (thisChar)
+	    || Character.isUpperCase (thisChar)) {
 	  // Not a valid letter
 	  tokens.add(new FieldSizePair(-1,0));
 	} else if (thisChar == '\'') {