(read_key_sequence): Prevent generating a fake

prefix key twice.

1 files changed, 5 insertions, 3 deletions

diff --git a/src/keyboard.c b/src/keyboard.c
index 2a7216f3975..18c1f3e1e3a 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -8221,10 +8221,12 @@ read_key_sequence (keybuf, bufsize, prompt, dont_downcase_last,
               window = POSN_WINDOW      (EVENT_START (key));
               posn   = POSN_BUFFER_POSN (EVENT_START (key));
 
-              if (CONSP (posn))
+              if (CONSP (posn)
+                  || (!NILP (fake_prefixed_keys)
+                      && !NILP (Fmemq (key, fake_prefixed_keys))))
                 {
-                  /* We're looking at the second event of a
-                     sequence which we expanded before.  Set
+                  /* We're looking a second time at an event for which
+                     we generated a fake prefix key.  Set
                      last_real_key_start appropriately.  */
                   if (t > 0)
                     last_real_key_start = t - 1;