Added note about PNG support on Windows.

diff --git a/etc/NEWS b/etc/NEWS
index 10ca97d457b6abdfd7356b6e56f4c4d168263cf9..fe4c41273bfbcb489545346450b8c0e75a32dfc8 100644 (file)
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -927,8 +927,10 @@ See the Emacs 21.1 NEWS entry for tooltips for details.
 
 ---
 ** Some images are now supported on MS Windows.
-PBM and XBM images are supported, other formats which require external
-libraries may be supported in future.
+PBM and XBM images are supported, PNG is supported if the libpng
+and zlib headers were available when Emacs was built, and libpng
+and zlib DLLs are available at run-time. Other formats which require
+external libraries may be similarly supported in future.
 
 ---
 ** Sound is now supported on MS Windows.