'\v' is not a K&R character

diff --git a/util/flex/misc.c b/util/flex/misc.c
index 18f5727..bb2df46 100644 (file)
--- a/util/flex/misc.c
+++ b/util/flex/misc.c
@@ -621,13 +621,23 @@ Char array[];
 
     switch ( array[1] )
        {
+#ifdef ACK_MOD
+#if__STDC__
        case 'a': return ( '\a' );
+       case 'v': return ( '\v' );
+#else
+       case 'a': return ( '\007' );
+       case 'v': return ( '\013' );
+#endif
+#else
+       case 'a': return ( '\a' );
+       case 'v': return ( '\v' );
+#endif
        case 'b': return ( '\b' );
        case 'f': return ( '\f' );
        case 'n': return ( '\n' );
        case 'r': return ( '\r' );
        case 't': return ( '\t' );
-       case 'v': return ( '\v' );
 
        case '0':
        case '1':