optimisation: #ifdef MKSH_ASSUME_UTF8, don't bother to “Flag(FUTFHACK) = 1;” on UTF-8 BOM encounter, it's always on (unless manually set to off) – saves a few bytes, I guess

lex.c

@@ -2,7 +2,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.28 2007/04/15 12:28:38 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.29 2007/04/26 11:58:53 tg Exp $");
 
 /* Structure to keep track of the lexing state and the various pieces of info
  * needed for each particular state. */
@@ -957,7 +957,9 @@ getsc__(void)
 		    (((const unsigned char *)(s->str))[0] == 0xBB) &&
 		    (((const unsigned char *)(s->str))[1] == 0xBF)) {
 			s->str += 2;
+#ifndef MKSH_ASSUME_UTF8	/* otherwise it's always on */
 			Flag(FUTFHACK) = 1;
+#endif
 			goto getsc_again;
 		}
 	}