[PATCH v3 13/20] color: add the meta color GIT_COLOR_REVERSE

From: Johannes Schindelin <redacted>

This "color" simply reverts background and foreground. It will be used
in the upcoming "dual color" mode of `git range-diff`, where we will
reverse colors for the -/+ markers and the fragment headers of the
"outer" diff.

Signed-off-by: Johannes Schindelin <redacted>
---
 color.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/color.h b/color.h
index 5b744e1bc..33e786342 100644
--- a/color.h
+++ b/color.h

@@ -44,6 +44,7 @@ struct strbuf;
 #define GIT_COLOR_BG_CYAN	"\033[46m"
 #define GIT_COLOR_FAINT		"\033[2m"
 #define GIT_COLOR_FAINT_ITALIC	"\033[2;3m"
+#define GIT_COLOR_REVERSE	"\033[7m"
 
 /* A special value meaning "no color selected" */
 #define GIT_COLOR_NIL "NIL"

-- 
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