print_filter
stream << print_filter(_menu->prompt->text);
stream << print_filter(sym->name);
stream << print_filter(sym->name);
stream << print_filter(str_get(&help_gstr));
stream << print_filter(_menu->prompt->text);
stream << print_filter(sym_type_name(sym->type));
stream << print_filter(prop->text);
*stream << print_filter(str);
*stream << print_filter(str);
str += print_filter(sym->name);
str += print_filter(sym_get_string_value(sym));
static QString print_filter(const QString &str);