From 0d18ec5467818fa8f763ec2871146a64d39987e7 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 28 Sep 2018 10:00:07 -0400
Subject: [PATCH] [morx] unsafe-to-break in Insertion

Makes MORX-29, MORX-30, MORX-31 pass.
---
 src/hb-aat-layout-morx-table.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-aat-layout-morx-table.hh b/src/hb-aat-layout-morx-table.hh
index a8b287fde..08fe73543 100644
--- a/src/hb-aat-layout-morx-table.hh
+++ b/src/hb-aat-layout-morx-table.hh
@@ -629,6 +629,8 @@ struct InsertionSubtable
 	  buffer->skip_glyph ();
 
 	buffer->move_to (end + count);
+
+	buffer->unsafe_to_break_from_outbuffer (mark, MIN (buffer->idx + 1, buffer->len));
       }
 
       if (entry->data.currentInsertIndex != 0xFFFF)