[wiki] [sites] Add short note on alpha-premultiplication in farbfeld || FRIGN

From: <git_AT_suckless.org>
Date: Fri, 15 Jan 2016 13:49:34 +0100

commit 65f5090cffe651d4bac687a56f22b8954a7057ff
Author: FRIGN <dev_AT_frign.de>
Date: Fri Jan 15 13:49:22 2016 +0100

    Add short note on alpha-premultiplication in farbfeld

diff --git a/tools.suckless.org/farbfeld/index.md b/tools.suckless.org/farbfeld/index.md
index 19de916..add9503 100644
--- a/tools.suckless.org/farbfeld/index.md
+++ b/tools.suckless.org/farbfeld/index.md
_AT_@ -11,7 +11,8 @@ It has the following format:
 | 4 | 32-Bit BE unsigned integer (height) |
 | [2222] | 4⋅16-Bit BE unsigned integers [RGBA] / pixel, row-aligned |
 
-The RGB-data should be sRGB for best interoperability.
+The RGB-data should be sRGB for best interoperability and not
+alpha-premultiplied.
 
 Examples
 --------
Received on Fri Jan 15 2016 - 13:49:34 CET