enhanced the test runner for errors to support multiple scripts in a single file

t/feed-5001.err

@@ -1,2 +1,69 @@
 ## you can't have another colon before the method..
 (obj: :method) ##ERROR: syntax error - : disallowed
+
+---
+
+## while EOL is ignored in explicitly parenthesized XLIST, a semicolon must not be.
+(printf
+	"hello, world\n"
+)
+
+(printf; ##ERROR: syntax error - unexpected semicolon
+	"hello, world\n"
+)
+
+---
+
+## semicolon inside #{} must raise a syntax error
+
+a := #{
+	"k1":
+	"hello k1\n",
+	"k2":
+	"hello k2\n";   ##ERROR: syntax error - unexpected semicolon
+};
+
+---
+
+{
+	;;;
+
+(do
+	(printf "hello\n")
+	(printf "hello\n")
+);;
+
+k := [10 ; 20 ]; ##ERROR: syntax error - unexpected semicolon
+
+}
+
+---
+
+## a code point greater than 255 is illegal in the character literal prefix fixed with b.
+
+printf "[%c] [#x%x] [%d]\n" '★' '★' #x2605;
+printf "[%c]\n" b'★';  ##ERROR: syntax error - wrong character literal
+
+---
+
+## #b can be followed by [ or binary digits.
+
+printf "%O\n" #b[ 10 20 30 ];
+printf "%010b\n" #b0101;
+printf "%O\n" #bxy; ##ERROR: syntax error - neither valid radixed number nor valid directive #bxy
+
+---
+
+printf :*; ##ERROR: syntax error - prohibited in this context
+
+---
+
+defun :: fun1() { ##ERROR: syntax error - function name not symbol in defun
+	return 10;
+};
+
+---
+
+defun :* fun1() { ##ERROR: syntax error - function name not symbol in defun
+	return 10;
+};