Clarified comment in icon.c, that it writes a complete PNG datastream.

diff --git a/coders/icon.c b/coders/icon.c
index 2914a7a183c967dd914e107f9e33a4345969d800..4788a2e95b4190295214a4e94a0ae0246c4e05f3 100644 (file)
--- a/coders/icon.c
+++ b/coders/icon.c
@@ -757,9 +757,9 @@ ModuleExport void UnregisterICONImage(void)
 %  image format, version 3 for Windows or (if the image has a matte channel)
 %  version 4.
 %
-%  It encodes any subimage as a compressed PNG image ("BI_PNG)",
-%  only when its dimensions are 256x256 and image->compression is
-%  undefined or is defined as ZipCompression.
+%  It encodes any subimage as a compressed PNG image (complete with the
+%  8-byte PNG signature), only when its dimensions are 256x256 and
+%  image->compression is undefined or is defined as ZipCompression.
 %
 %  The format of the WriteICONImage method is:
 %