diff -up mksh-39c/check.t.fixsubst mksh-39c/check.t
--- mksh-39c/check.t.fixsubst	2011-01-04 15:55:30.493395051 +0100
+++ mksh-39c/check.t	2011-01-04 15:57:48.681133798 +0100
@@ -4452,6 +4452,22 @@ expected-stderr-pattern:
 	/bad substitution/
 expected-exit: 1
 ---
+name: xxx-variable-syntax-2
+stdin:
+	set 0
+	echo ${*:0}
+expected-stderr-pattern:
+	/bad substitution/
+expected-exit: 1
+---
+name: xxx-variable-syntax-3
+stdin:
+	set -A foo 0
+	echo ${foo[*]:0}
+expected-stderr-pattern:
+	/bad substitution/
+expected-exit: 1
+---
 name: xxx-substitution-eval-order
 description:
 	Check order of evaluation of expressions
diff -up mksh-39c/eval.c.fixsubst mksh-39c/eval.c
--- mksh-39c/eval.c.fixsubst	2010-02-25 21:18:39.000000000 +0100
+++ mksh-39c/eval.c	2011-01-04 15:55:30.500394934 +0100
@@ -1016,6 +1016,8 @@ varsub(Expand *xp, const char *sp, const
 		case '=':	/* can't assign to a vector */
 		case '%':	/* can't trim a vector (yet) */
 		case '#':
+		case '0':
+		case '/':
 			return (-1);
 		}
 		if (e->loc->argc == 0) {
@@ -1039,6 +1041,8 @@ varsub(Expand *xp, const char *sp, const
 			case '%':	/* can't trim a vector (yet) */
 			case '#':
 			case '?':
+			case '0':
+			case '/':
 				return (-1);
 			}
 			XPinit(wv, 32);