shithub: neatmkfn

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trfn: output only nonzero kerning values

--- a/trfn.c

+++ b/trfn.c

@@ -323,7 +323,7 @@

 void trfn_kern(char *c1, char *c2, int x)

 {

-	if (abs(WX(x)) >= WX(trfn_kmin))

+	if (WX(x) && abs(WX(x)) >= WX(trfn_kmin))

 		sbuf_printf(&sbuf_kern, "kern %s\t%s\t%d\n", c1, c2, WX(x));

 }