[freetype2] master 01d4deb06: ftmm.h: Minor documentation improvement.

[Werner Lemberg]

branch: master
commit 01d4deb0617f1719c9848e8c6155fa582c9871a9
Author: Werner Lemberg <wl@gnu.org>
Commit: Werner Lemberg <wl@gnu.org>

    ftmm.h: Minor documentation improvement.
---
 include/freetype/ftmm.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/freetype/ftmm.h b/include/freetype/ftmm.h
index 7a25e2dba..c74ce618c 100644
--- a/include/freetype/ftmm.h
+++ b/include/freetype/ftmm.h
@@ -47,6 +47,9 @@ FT_BEGIN_HEADER
    *   MM fonts, others will work with all three types.  They are similar
    *   enough that a consistent interface makes sense.
    *
+   *   For Adobe MM fonts, macro @FT_IS_SFNT returns false.  For GX and
+   *   OpenType variation fonts, it returns true.
+   *
    */