diff.h: rename DIFF_PLAIN color slot to DIFF_CONTEXTjk/color-diff-plain-is-context

The latter is a much more descriptive name (and we support
"color.diff.context" now). This also updates the name of any
local variables which were used to store the color.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/diff.h b/diff.h
index b4a624d235..1ac0582228 100644
--- a/diff.h
+++ b/diff.h
@@ -175,7 +175,7 @@ struct diff_options {
 
 enum color_diff {
 	DIFF_RESET = 0,
-	DIFF_PLAIN = 1,
+	DIFF_CONTEXT = 1,
 	DIFF_METAINFO = 2,
 	DIFF_FRAGINFO = 3,
 	DIFF_FILE_OLD = 4,