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-rw-r--r--src/nsgui.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/nsgui.h b/src/nsgui.h
index 4e7d7d35daa..f858fa7a14a 100644
--- a/src/nsgui.h
+++ b/src/nsgui.h
@@ -73,6 +73,8 @@ typedef unichar XChar2b;
#define XCHAR2B_BYTE2(chp) \
(*(chp) & 0x00ff)
+/* Used in xdisp.c when comparing faces and frame colors. */
+extern unsigned long ns_color_index_to_rgba(int idx, struct frame *f);
/* XXX: xfaces requires these structures, but the question is are we
forced to use them? */