--- src/usr.bin/wc/wc.c.orig	2019-11-01 01:02:50.000000000 +0100
+++ src/usr.bin/wc/wc.c	2020-09-23 04:40:56.165877000 +0200
@@ -177,13 +177,13 @@
 	}
 
 	if (doline)
-		xo_emit_h(xop, " {:lines/%7ju/%ju}", linect);
+		xo_emit_h(xop, "{:lines/%0-7ju/%ju}", linect);
 	if (doword)
-		xo_emit_h(xop, " {:words/%7ju/%ju}", wordct);
+		xo_emit_h(xop, "{:words/%0-7ju/%ju}", wordct);
 	if (dochar || domulti)
-		xo_emit_h(xop, " {:characters/%7ju/%ju}", charct);
+		xo_emit_h(xop, "{:characters/%0-7ju/%ju}", charct);
 	if (dolongline)
-		xo_emit_h(xop, " {:long-lines/%7ju/%ju}", llct);
+		xo_emit_h(xop, "{:long-lines/%0-7ju/%ju}", llct);
 	if (file != NULL)
 		xo_emit_h(xop, " {:filename/%s}\n", file);
 	else
@@ -339,6 +339,6 @@
 static void
 usage(void)
 {
-	xo_error("usage: wc [-Lclmw] [file ...]\n");
+	xo_error("usage: wc [--libxo] [-Lclmw] [file ...]\n");
 	exit(1);
 }