ctrl_settitle(b, "Window/Colours", "Options controlling use of colours");

    s = ctrl_getset(b, "Window/Colours", "general",
		    "General options for colour usage");
    ctrl_checkbox(s, "Allow terminal to specify ANSI colours", 'i',
		  HELPCTX(colours_ansi),
		  dlg_stdcheckbox_handler, I(offsetof(Config,ansi_colour)));
    ctrl_checkbox(s, "Allow terminal to use xterm 256-colour mode", '2',
		  HELPCTX(colours_xterm256), dlg_stdcheckbox_handler,
		  I(offsetof(Config,xterm_256_colour)));
    ctrl_checkbox(s, "Bolded text is a different colour", 'b',
		  HELPCTX(colours_bold),
		  dlg_stdcheckbox_handler, I(offsetof(Config,bold_colour)));

    str = dupprintf("Adjust the precise colours %s displays", appname);
    s = ctrl_getset(b, "Window/Colours", "adjust", str);
    sfree(str);