From 014e6c5800753bbc5cc02ef5f102b96210c66b5f Mon Sep 17 00:00:00 2001
From: Just van Rossum <justvanrossum@gmail.com>
Date: Mon, 26 Jun 2023 17:18:40 +0200
Subject: [PATCH] Propagate the 'hidden' flag to the fvar Axis instance

---
 Lib/fontTools/fontBuilder.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Lib/fontTools/fontBuilder.py b/Lib/fontTools/fontBuilder.py
index e97923ecd..15a550e22 100644
--- a/Lib/fontTools/fontBuilder.py
+++ b/Lib/fontTools/fontBuilder.py
@@ -971,6 +971,8 @@ def addFvar(font, axes, instances):
                 axis_def.maximum,
                 axis_def.name,
             )
+            if axis_def.hidden:
+                axis.flags = 0x0001  # HIDDEN_AXIS
 
         if isinstance(name, str):
             name = dict(en=name)