diff --git a/all.sas b/all.sas
index 7a0a9c5..8bf0720 100644
--- a/all.sas
+++ b/all.sas
@@ -28206,6 +28206,7 @@ libname &libref1 clear;
   @li mf_getvalue.sas
   @li mf_getvarlist.sas
   @li mf_getvartype.sas
+  @li mf_isblank.sas
   @li mf_nobs.sas
   @li mp_abort.sas