From 7e97233c352b614aa316dfeb3a161db62c7b2bcd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 25 Jun 2023 17:06:02 -0600
Subject: [PATCH] [subset/cff1] Comment

---
 src/hb-ot-cff1-table.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ot-cff1-table.hh b/src/hb-ot-cff1-table.hh
index 8896a6687..2baaf4b95 100644
--- a/src/hb-ot-cff1-table.hh
+++ b/src/hb-ot-cff1-table.hh
@@ -652,6 +652,7 @@ struct CFF1StringIndex : CFF1Index
 
     if (unlikely (sidmap.in_error ())) return_trace (false);
 
+    // Save this in a vector since serialize() iterates it twice.
     hb_vector_t<hb_ubytes_t> bytesArray;
     if (!bytesArray.resize (sidmap.length, false))
       return_trace (false);