many little changes: removed some lint complaints; max_int and max_unsigned

are now constants if NOCROSS is defined; added lexstrict and expr_strict,
and changed calls where needed

lang/cem/cemcom.ansi/SmallPars

@@ -8,8 +8,9 @@
 
 !File: errout.h
 #define	ERROUT		STDERR	/* file pointer for writing messages	*/
-#define	MAXERR_LINE	5	/* maximum number of error messages given
-					on the same input line.		*/
+#define	ERR_SHADOW	5	/* a syntax error overshadows error messages
+					until ERR_SHADOW symbols have been
+					accepted without syntax error */
 
 
 !File: idfsize.h