##

x := (+ 10 20) "aaaa"; ##ERROR: syntax error - too many rvalues

---

##

x := (10 +); ##ERROR: syntax error - no operand after binary selector


---

10 + ##ERROR: syntax error - no operand after binary selector '+'

---

## 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;
};

---

(10 + 20 30) ##ERROR: syntax error - redundant operand '30'

---

#**a     ##ERROR: syntax error - invalid binary selector character 'a' after #**

---

abc- := 20 ##ERROR: syntax error - '-' prohibited as last character of identifier or identifier segment

---

self.g- := 20 ##ERROR: syntax error - '-' prohibited as last character of identifier or identifier segment

---

self.-g := 20 ##ERROR: syntax error - '-' prohibited as first character of identifier or identifier segment

---

if.abc := 20 ##ERROR: syntax error - wrong multi-segment identifier

---

abc. := 20 ##ERROR: syntax error - blank segment after 'abc.'

---

abc.? := 20 ##ERROR: syntax error - '?' prohibited as first character of identifier or identifier segment after 'abc.'


---
- := 20 ##ERROR: syntax error - bad lvalue - invalid element - -

---

+++ := 20 ##ERROR: syntax error - bad lvalue - invalid element - +++

---

1 + + + ##ERROR: syntax error - prohibited binary selector '+'

---

1 * 2 3 - 4 ##ERROR: syntax error - prohibited binary selector '-'

---
1 * 2 3 4 ##ERROR: syntax error - redundant operand '4'

---

1 \ 2 ##ERROR: syntax error - stray backslash