From 0e4bcf908ca4bf394a326970490ae1943966a410 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 20 Apr 2023 16:23:41 -0600
Subject: [PATCH] [hmtx] Add TODO

---
 src/hb-ot-hmtx-table.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 033f6b93b..835a1a585 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -176,6 +176,7 @@ struct hmtxvmtx
       }
       else
       {
+        // TODO: This does not do tail optimization.
 	UFWORD *adv = c->allocate_size<UFWORD> (UFWORD::static_size);
 	if (unlikely (!adv)) return;
 	*adv = _.first;