shithub: neatroff

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fmt: for last lines, simply use the usual cost formula

The main difference is that the length of the last line
is assumed to be: \n(.l * \n[.pmll] / 100.

--- a/fmt.c

+++ b/fmt.c

@@ -366,7 +366,7 @@

 	/* the ratio that the stretchable spaces of the line should be spread */

 	long ratio = abs((llen - lwid) * 100l / (swid ? swid : 1));

 	/* assigning a cost of 100 to each space stretching 100 percent */

-	return (ratio < 4000 ? ratio * ratio : 16000000) / 100l * (nspc ? nspc : 4);

+	return (ratio < 4000 ? ratio * ratio : 16000000) / 100l * (nspc ? nspc : 1);

 }

 /* the cost of formatting last lines; should prevent widows */

@@ -374,7 +374,7 @@

 {

 	if (!n_pmll || lwid >= llen * n_pmll / 100)

 		return 0;

-	return FMT_COST(llen, llen * (100 - n_pmll) / 100 + lwid, swid, nspc);

+	return FMT_COST(llen * n_pmll / 100, lwid, swid, nspc);

 }

 /* the cost of putting a line break before word pos */