From: Nigel Tao <nigeltao@golang.org>
Date: Wed, 5 Jun 2013 00:18:06 +0000 (+1000)
Subject: image/jpeg: avoid documentation argument over whether it's luma
X-Git-Tag: go1.2rc2~1320
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=427bec62b5a24aa42b0dc97a6040fd84d7f4366d;p=gostls13.git

image/jpeg: avoid documentation argument over whether it's luma
subsampling or chroma subsampling.

Fixes #5569.

R=r
CC=golang-dev
https://golang.org/cl/9900044
---

diff --git a/src/pkg/image/jpeg/reader.go b/src/pkg/image/jpeg/reader.go
index 862d8dc1b2..356d56220a 100644
--- a/src/pkg/image/jpeg/reader.go
+++ b/src/pkg/image/jpeg/reader.go
@@ -174,10 +174,10 @@ func (d *decoder) processSOF(n int) error {
 		// values for the Cr and Cb components must be (1, 1).
 		if i == 0 {
 			if hv != 0x11 && hv != 0x21 && hv != 0x22 && hv != 0x12 {
-				return UnsupportedError("luma downsample ratio")
+				return UnsupportedError("luma/chroma downsample ratio")
 			}
 		} else if hv != 0x11 {
-			return UnsupportedError("chroma downsample ratio")
+			return UnsupportedError("luma/chroma downsample ratio")
 		}
 	}
 	return nil