Remove last parameter of utf8encode
This parameter was always UTF_SIZ, so it is better remove it and use directly UTF_SIZ in it.
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			@ -459,7 +459,7 @@ static void mousereport(XEvent *);
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static size_t utf8decode(char *, long *, size_t);
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static long utf8decodebyte(char, size_t *);
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static size_t utf8encode(long, char *, size_t);
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static size_t utf8encode(long, char *);
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static char utf8encodebyte(long, size_t);
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static size_t utf8len(char *);
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static size_t utf8validate(long *, size_t);
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			@ -610,11 +610,11 @@ utf8decodebyte(char c, size_t *i) {
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}
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size_t
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utf8encode(long u, char *c, size_t clen) {
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utf8encode(long u, char *c) {
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	size_t len, i;
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	len = utf8validate(&u, 0);
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	if(clen < len)
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	if(len > UTF_SIZ)
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		return 0;
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	for(i = len - 1; i != 0; --i) {
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		c[i] = utf8encodebyte(u, 0);
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			@ -1351,7 +1351,7 @@ ttyread(void) {
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	buflen += ret;
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	ptr = buf;
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	while((charsize = utf8decode(ptr, &unicodep, buflen))) {
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		utf8encode(unicodep, s, UTF_SIZ);
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		utf8encode(unicodep, s);
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		tputc(s, charsize);
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		ptr += charsize;
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		buflen -= charsize;
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			@ -3848,7 +3848,7 @@ kpress(XEvent *ev) {
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		if(IS_SET(MODE_8BIT)) {
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			if(*buf < 0177) {
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				c = *buf | 0x80;
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				len = utf8encode(c, buf, UTF_SIZ);
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				len = utf8encode(c, buf);
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			}
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		} else {
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			buf[1] = buf[0];
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