diff --git a/src/gui.h b/src/gui.h
index 43311ec..d637554 100644
--- a/src/gui.h
+++ b/src/gui.h
@@ -517,8 +517,7 @@
     VW_POS_MOUSE,
     VW_POS_CENTER,
     VW_POS_TOP_CENTER
-}
-gui_win_pos_T;
+} gui_win_pos_T;
 
 #ifdef FIND_REPLACE_DIALOG
 /*
diff --git a/src/macros.h b/src/macros.h
index f7bb10d..07b02d7 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -84,10 +84,10 @@
  * don't use them for negative values.
  */
 #ifdef FEAT_MBYTE
-# define MB_ISLOWER(c)	(enc_utf8 && (c) > 0x80 ? utf_islower(c) : (has_mbyte && c > 255 ? FALSE : islower(c)))
-# define MB_ISUPPER(c)	(enc_utf8 && (c) > 0x80 ? utf_isupper(c) : (has_mbyte && c > 255 ? FALSE : isupper(c)))
-# define MB_TOLOWER(c)	(enc_utf8 && (c) > 0x80 ? utf_tolower(c) : (has_mbyte && c > 255 ? c : TOLOWER_LOC(c)))
-# define MB_TOUPPER(c)	(enc_utf8 && (c) > 0x80 ? utf_toupper(c) : (has_mbyte && c > 255 ? c : TOUPPER_LOC(c)))
+# define MB_ISLOWER(c)	(enc_utf8 && (c) >= 0x80 ? utf_islower(c) : (has_mbyte && c > 255 ? FALSE : islower(c)))
+# define MB_ISUPPER(c)	(enc_utf8 && (c) >= 0x80 ? utf_isupper(c) : (has_mbyte && c > 255 ? FALSE : isupper(c)))
+# define MB_TOLOWER(c)	(enc_utf8 && (c) >= 0x80 ? utf_tolower(c) : (has_mbyte && c > 255 ? c : TOLOWER_LOC(c)))
+# define MB_TOUPPER(c)	(enc_utf8 && (c) >= 0x80 ? utf_toupper(c) : (has_mbyte && c > 255 ? c : TOUPPER_LOC(c)))
 #else
 # define MB_ISLOWER(c)	islower(c)
 # define MB_ISUPPER(c)	isupper(c)
diff --git a/src/os_vms.c b/src/os_vms.c
index ab5eca4..c26937d 100644
--- a/src/os_vms.c
+++ b/src/os_vms.c
@@ -308,8 +308,9 @@
 	tt_mode = get_tty();
 
     vul_item(&itmlst[0], 0, TRM$_MODIFIERS,
-	    (char *)(TRM$M_TM_ESCAPE | TRM$M_TM_NOECHO | TRM$M_TM_NOEDIT |
-	       TRM$M_TM_NOFILTR | TRM$M_TM_NORECALL | TRM$M_TM_TRMNOECHO), 0);
+	     (char *)( TRM$M_TM_ESCAPE  | TRM$M_TM_TIMED    | TRM$M_TM_NOECHO |
+                       TRM$M_TM_NOEDIT  | TRM$M_TM_NOFILTR  |
+                       TRM$M_TM_NORECALL| TRM$M_TM_TRMNOECHO), 0);
     vul_item(&itmlst[1], sizeof(trm_mask), TRM$_TERM, (char *)&trm_mask, 0);
 
     function = (IO$_READLBLK | IO$M_EXTEND);