if (!preg_match('/^([^\{]*)?\{([^\}]*)\}(.*)/', $out, $match)) { // parse index
display_error(_("Missing numeric placeholder in refline definition."));
return $out;
if (!preg_match('/^([^\{]*)?\{([^\}]*)\}(.*)/', $out, $match)) { // parse index
display_error(_("Missing numeric placeholder in refline definition."));
return $out;