Small fix in MCI parser

mystic/HISTORY.txt

@@ -3985,3 +3985,6 @@
    and their directories (if they do not already exist).  See MUTIL.CFG for
    more information.
 
+ ! The MCI parser for |!x MCI codes now checks for validity of the number
+   or otherwise does not parse the code.
+

mystic/bbs_io.pas

@@ -377,11 +377,16 @@ Begin
   End;
 
   Case Code[1] of
-    '!' : Begin
+    '!' : If Code[2] in ['0'..'9'] Then Begin
             A := strS2I(Code[2]);
+
             ScreenInfo[A].X := Screen.CursorX;
             ScreenInfo[A].Y := Screen.CursorY;
             ScreenInfo[A].A := Screen.TextAttr;
+          End Else Begin
+            Result := False;
+
+            Exit;
           End;
     '$' : Case Code[2] of
             'C' : Begin

mystic/todo.pas

@@ -100,6 +100,7 @@ FUTURE / IDEAS / WORK IN PROGRESS / NOTES
 - So much cool stuff to do with the new themes
 - LastOn revamp make sure its not global and new stuff is populated
 - ANSI online help that can execute menu commands/restore screen
+- MPL fAppend?  Why didnt I add that?
 
 RANDOM DRUNKEN BRAINDUMP AKA DESIGN DETAILS
 ===========================================