Fix formatting of depth-1 arrays containing operations

1 files changed, 1 insertions, 1 deletions

diff --git a/src/f.bqn b/src/f.bqn
index 52ea46ce..a351744b 100644
--- a/src/f.bqn
+++ b/src/f.bqn
@@ -77,7 +77,7 @@
   }
 
   # Format data type
-  FmtDat ← (2⌊≡)◶FmtAtom‿FmtSimple‿FmtMixed
+  FmtDat ← (2⌊≡)◶⟨FmtAtom,(∧´∘⥊3≤Type⌜)◶FmtSimple‿FmtMixed,FmtMixed⟩
 
   # Format part of a compound operation; return precedence‿string
   FmtOp ← {