shithub: neatroff

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fmt: handle zero line length

--- a/fmt.c

+++ b/fmt.c

@@ -282,7 +282,7 @@

 	int i, pen = 0;

 	long cur;

 	int lwid = 0;

-	int llen = FMT_LLEN(f);

+	int llen = MAX(1, FMT_LLEN(f));

 	if (pos <= 0)

 		return 0;

 	if (f->best_pos[pos] >= 0)