shithub: neatroff

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tr: handle invalid .bd arguments

--- a/tr.c

+++ b/tr.c

@@ -636,9 +636,11 @@

 static void tr_bd(char **args)

 {

+	struct font *fn = args[1] ? dev_font(dev_pos(args[1])) : NULL;

 	if (!args[1] || !strcmp("S", args[1]))

 		return;

-	font_setbd(dev_font(dev_pos(args[1])), args[2] ? eval(args[2], 'u') : 0);

+	if (fn)

+		font_setbd(fn, args[2] ? eval(args[2], 'u') : 0);

 }

 static void tr_it(char **args)