* expression.h (exp_opcode): Add BINOP_MOD.

	* expression.h (exp_opcode):  Add BINOP_MOD.
	* eval.c (evaluate_subexp):  Handle new BINOP_MOD.
	* expprint.c (dump_expression):  Handle new BINOP_MOD.
	* language.c (binop_type_check):  Handle new BINOP_MOD.
	* main.c (float_handler):  Re-enable float handler when hit.
	* valarith.c (language.h):  Include, need current_language.
	* valarith.c (TRUNCATION_TOWARDS_ZERO):  Define default macro
	for integer divide truncates towards zero for negative results.
	* valarith.c (value_x_binop):  Handle BINOP_MOD if seen.
	* valarith.c (value_binop):  Allow arithmetic operations on
	TYPE_CODE_CHAR variables.  Add case to handle new BINOP_MOD.
	**** start-sanitize-chill ****
	* ch-exp.y (operand_4):  Add useful actions for MOD and REM.
	* ch-exp.y (tokentab3):  Add MOD and REM.
	* ch-exp.y (yylex):  Set innermost_block for symbols found
	in local scopes.  Return LOCATION_NAME for local symbols.
	* ch-lang.c (chill_op_print_tab):  Fix MOD entry to use
	BINOP_MOD instead of BINOP_REM.  Add REM entry, using BINOP_REM.
	**** end-sanitize-chill ****