shithub: neatroff

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ren: for .sp call down() only for nonzero arguments

--- a/ren.c

+++ b/ren.c

@@ -276,10 +276,11 @@

 void tr_sp(char **args)

 {

 	int traps = 0;

+	int n = args[1] ? eval(args[1], 'v') : n_v;

 	if (args[0][0] == c_cc)

 		traps = ren_br(1);

-	if (!n_ns && !traps)

-		down(args[1] ? eval(args[1], 'v') : n_v);

+	if (n && !n_ns && !traps)

+		down(n);

 }

 void tr_sv(char **args)