Patch from Matt Kraai to fix 'echo "1 2 3" | tr -s " "'
so it properly outputs "1 2 3".
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@ -70,7 +70,7 @@ static void convert()
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coded = vector[c];
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if (del_fl && invec[c])
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continue;
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if (sq_fl && last == coded && outvec[coded])
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if (sq_fl && last == coded && (invec[c] || outvec[coded]))
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continue;
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output[out_index++] = last = coded;
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if (out_index == BUFSIZ) {
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