shithub: riscv

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tr: fix 4-byte runes fix (thanks rsc)

--- a/sys/src/cmd/tr.c

+++ b/sys/src/cmd/tr.c

@@ -92,7 +92,7 @@

 			SETBIT(t, c);

 	}

-	last = 0x10000;

+	last = Runemax+1;

 	while (readrune(0, &c) > 0) {

 		if(!BITSET(f, c) && (c != last || !BITSET(t,c))) {

 			last = c;

@@ -132,7 +132,7 @@

 		else p[i] = i;

 	}

 	if (sflag){

-		lastc = 0x10000;

+		lastc = Runemax+1;

 		while (readrune(0, &from) > 0) {

 			if (from > high)

 				from = to;

@@ -186,7 +186,7 @@

 		SETBIT(t,to);

 	}

 	if (sflag){

-		lastc = 0x10000;

+		lastc = Runemax+1;

 		while (readrune(0, &from) > 0) {

 			if (from <= high)

 				from = p[from];