input: do not enter invalid bytes when holding down both Alt keys

This fixes https://savannah.gnu.org/bugs/?58954. Bug existed since version 5.1, commit 49231191.
2020-08-15 13:18:48 +02:00 · 2020-08-15 13:18:48 +02:00 · 3d0bfb0a00
parent 3cb55c8b27
commit 3d0bfb0a00
1 changed files with 1 additions and 1 deletions
--- a/src/winio.c
+++ b/src/winio.c
@ -939,7 +939,7 @@ int parse_kbinput(WINDOW *win)
 												keycode == DEL_CODE)
 				return CONTROL_SHIFT_DELETE;
 #endif
-			else if (!solitary)
+			else if (!solitary && keycode < 0x20)
 				meta_key = TRUE;
 		} else if (key_buffer_len == 0 || *key_buffer == ESC_CODE ||
 								(keycode != 'O' && keycode != '[')) {