patch 7.4.1692
Problem:    feedkeys('i', 'x') gets stuck, waits for a character to be typed.
Solution:   Behave like ":normal". (Yasuhiro Matsumoto)
diff --git a/src/eval.c b/src/eval.c
index b2f4462..e1d69d0 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -11368,7 +11368,10 @@
 
 		/* Avoid a 1 second delay when the keys start Insert mode. */
 		msg_scroll = FALSE;
+
+		++ex_normal_busy;
 		exec_normal(TRUE);
+		--ex_normal_busy;
 		msg_scroll |= save_msg_scroll;
 	    }
 	}