Allow token lists to be optionally enclosed in curly braces. Using such

enclosement, tokens that would otherwise terminate the list can be part
of the list.


git-svn-id: svn://svn.cc65.org/cc65/trunk@3013 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/ca65/scanner.h

@@ -106,6 +106,8 @@ enum Token {
     TOK_RPAREN,	  	/* ) */
     TOK_LBRACK,	  	/* [ */
     TOK_RBRACK,	  	/* ] */
+    TOK_LCURLY,         /* { */
+    TOK_RCURLY,         /* } */
 
     TOK_OVERRIDE_ZP,    /* z: */
     TOK_OVERRIDE_ABS,   /* a: */