1 files changed, 1 insertions, 0 deletions
diff --git a/apl9.h b/apl9.h
index cf2c352..ace4722 100644
--- a/apl9.h
+++ b/apl9.h
@@ -318,6 +318,7 @@ Array *fnReverseLast(Array *);
 Array *fnReverseFirst(Array *);
 Array *fnTranspose(Array *);
 Array *fnExecute(Array *);
+Array *fnFormat(Array *);
 Array *fnSelfReference1(Array *);
 
 /* Dyadic functions from function.c */