* system.h: Poison MAP_CHARACTER.
	* config/i370/i370-protos.h (mvs_map_char): Delete.
	* config/i370/i370.c (ascebc, ebcasc, mvs_map_char): Delete.
	* config/i370/i370.h (MAP_CHARACTER): Delete definition.
	(ASM_OUTPUT_ASCII): Don't use MAP_CHARACTER.
f:
	* lex.c: Remove error block #ifdef MAP_CHARACTER.

From-SVN: r69086