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-rw-r--r--Source/SPXMLExporter.m4
1 files changed, 3 insertions, 1 deletions
diff --git a/Source/SPXMLExporter.m b/Source/SPXMLExporter.m
index 8ff99e0d..8393b937 100644
--- a/Source/SPXMLExporter.m
+++ b/Source/SPXMLExporter.m
@@ -258,7 +258,9 @@
[xmlItem setString:[NSString stringWithString:dataConversionString]];
[dataConversionString release];
- }
+ }
+
+ // Check for null value using a pointer comparison; as [NSNull null] is a singleton this works correctly.
else if (data == [NSNull null]) {
dataIsNULL = YES;