updated for version 7.0-211
diff --git a/src/edit.c b/src/edit.c
index 25a76a2..a4be291 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -8250,7 +8250,12 @@
 #endif
 	mincol = 0;
 						/* keep indent */
-	if (mode == BACKSPACE_LINE && curbuf->b_p_ai
+	if (mode == BACKSPACE_LINE
+		&& (curbuf->b_p_ai
+#ifdef FEAT_CINDENT
+                    || cindent_on()
+#endif
+		   )
 #ifdef FEAT_RIGHTLEFT
 		&& !revins_on
 #endif