Index: Format.cpp
===================================================================
--- Format.cpp	(revision 11823)
+++ Format.cpp	(working copy)
@@ -84,6 +84,7 @@
 
 String FormatIntAlpha(int i, bool upper)
 {
+	const char *itoc = upper ? "ZABCDEFGHIJKLMNOPQRSTUVWXYZ" : "zabcdefghijklmnopqrstuvwxyz";
 	if(IsNull(i) || i == 0)
 		return Null;
 	String out;
@@ -93,10 +94,8 @@
 		i = -i;
 	}
 	char temp[10], *p = temp;
-	i--;
-	char start = (upper ? 'A' : 'a');
 	do
-		*p++ = start + (i % 26);
+		*p++ = itoc[i--%26];
 	while(i /= 26);
 	while(p > temp)
 		out << *--p;