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-rw-r--r--include/nspdf/errors.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/nspdf/errors.h b/include/nspdf/errors.h
index 6591dbb..a557b9d 100644
--- a/include/nspdf/errors.h
+++ b/include/nspdf/errors.h
@@ -25,6 +25,7 @@ typedef enum {
NSPDFERROR_NOTFOUND, /**< key not found */
NSPDFERROR_FORMAT, /**< objects do not cornform to expected format */
NSPDFERROR_INCOMPLETE, /**< operation was not completed */
+ NSPDFERROR_REFERENCE, /**< unable to dereference object. */
} nspdferror;
#endif