From ca78abe2ede2d3e359fe320dea5f9530e7a75823 Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Sun, 21 Nov 2021 11:39:52 +0000
Subject: [PATCH] add quant note to readme

---
 README.md | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 9b3273fa..c45247c6 100644
--- a/README.md
+++ b/README.md
@@ -227,15 +227,16 @@ is still necessary for save.
 If libspng is not present and libpng is, libvips will load PNG files with
 libpng. It will always save PNG files with libpng.
 
-### libimagequant
+### libimagequant, quantizr
 
-If present, libvips can write 8-bit palette-ised PNGs.
+If one of these quantisation packages is present, libvips can write 8-bit
+palette-ised PNGs and GIFs.
 
 ### ImageMagick, or optionally GraphicsMagick
 
-If available, libvips adds support for loading all libMagick-supported
-image file types. Use `--with-magickpackage=GraphicsMagick` to build against 
-graphicsmagick instead.
+If available, libvips adds support for loading and
+saving all libMagick-supported image file types. Use
+`--with-magickpackage=GraphicsMagick` to build against graphicsmagick instead.
 
 Imagemagick 6.9+ needs to have been built with `--with-modules`. Most packaged
 IMs are, I think.