1 files changed, 1 insertions, 0 deletions
diff --git a/test/id.ok b/test/id.ok
index a3271cff..011d6cf2 100644
--- a/test/id.ok
+++ b/test/id.ok
@@ -14,6 +14,7 @@ sprintf -> builtin
 ROUNDMODE -> scalar
 strftime -> builtin
 systime -> builtin
+length -> builtin
 and -> builtin
 srand -> builtin
 FNR -> scalar