patch 8.0.1194: actual fg and bg colors of terminal are unknown
Problem: Actual fg and bg colors of terminal are unknown.
Solution: Add t_RF. Store response to t_RB and t_RF, use for terminal.
diff --git a/src/vim.h b/src/vim.h
index 4567c36..11b7b08 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -1998,11 +1998,12 @@
#define VV_TYPE_NONE 78
#define VV_TYPE_JOB 79
#define VV_TYPE_CHANNEL 80
-#define VV_TERMRGBRESP 81
-#define VV_TERMU7RESP 82
-#define VV_TERMSTYLERESP 83
-#define VV_TERMBLINKRESP 84
-#define VV_LEN 85 /* number of v: vars */
+#define VV_TERMRFGRESP 81
+#define VV_TERMRBGRESP 82
+#define VV_TERMU7RESP 83
+#define VV_TERMSTYLERESP 84
+#define VV_TERMBLINKRESP 85
+#define VV_LEN 86 /* number of v: vars */
/* used for v_number in VAR_SPECIAL */
#define VVAL_FALSE 0L