(Fsingle_key_description): NUL-terminate the string

buffer before calling build_string.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/keymap.c b/src/keymap.c
index f96c109c9cd..5da93ee89f0 100644
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -1967,7 +1967,10 @@ around function keys and event symbols.")
           nbytes = end - tem;
           nchars = multibyte_chars_in_text (tem, nbytes);
           if (nchars == nbytes)
-            string = build_string (tem);
+            {
+              *end = '\0';
+              string = build_string (tem);
+            }
           else
             string = make_multibyte_string (tem, nchars, nbytes);
           return string;