Delete macro TOKEN_CHAR from public header sexp.h.

ChangeLog

 2016-09-03  Niels Möller  <nisse@lysator.liu.se>
 
+	* sexp.h (TOKEN_CHAR): Delete macro and declaration of
+	sexp_token_chars. They belong in tools/misc.h, not here.
+
 	* examples/ecc-benchmark.c (die): Deleted unused function.
 
 	* testsuite/testutils.h (US): New macro, for unsigned string

sexp.h

@@ -206,12 +206,6 @@ size_t
 sexp_transport_vformat(struct nettle_buffer *buffer,
 		       const char *format, va_list args);
 
-/* Classification for advanced syntax. */
-extern const char
-sexp_token_chars[0x80];
-
-#define TOKEN_CHAR(c) ((c) < 0x80 && sexp_token_chars[(c)])
-
 #ifdef __cplusplus
 }
 #endif