From 6bef0d5a441cbb2fec481e4668242d9e9ce82607 Mon Sep 17 00:00:00 2001
From: Roel Nieskens <roel@pixelambacht.nl>
Date: Mon, 14 Dec 2020 11:15:54 +0100
Subject: [PATCH 1/2] Explain extra Windows font

---
 README.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index dbcc001fa..3166b6573 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,10 @@ pip install -r requirements.txt
 time make -j
 ```
 
-Intermediate products (compressed image files, for example) will be put into a build subdirectory; the font will be at the top level.
+Intermediate products (compressed image files, for example) will be put into a build subdirectory. Two fonts will be saved at the top level:
+
+* `NotoColorEmoji.ttf`, for general use.
+* `NotoColorEmoji_WindowsCompatible.ttf`, specifically meant to be _installed_ on Windows.
 
 ## Using NotoColorEmoji
 

From 3d67520e80eb2919661766e14a2b8e6e4498219b Mon Sep 17 00:00:00 2001
From: Roel Nieskens <roel@pixelambacht.nl>
Date: Mon, 14 Dec 2020 15:35:42 +0100
Subject: [PATCH 2/2] Add some more detail about Windows font specifics

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 3166b6573..7c7daac02 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ time make -j
 Intermediate products (compressed image files, for example) will be put into a build subdirectory. Two fonts will be saved at the top level:
 
 * `NotoColorEmoji.ttf`, for general use.
-* `NotoColorEmoji_WindowsCompatible.ttf`, specifically meant to be _installed_ on Windows.
+* `NotoColorEmoji_WindowsCompatible.ttf`, which is the same font but with an additional empty `glyf` table and `cmap` format 4 subtable. This is required by Windows 10 if you want to _install_ the font.
 
 ## Using NotoColorEmoji