int offset = perPage * page;
int pageTotal = (int) Math.ceil(aliases.size() / (double) perPage);
// Box
CommandListBox box = new CommandListBox(String.format("Help: page %d/%d ", page + 1, pageTotal));
StyledFragment contents = box.getContents();
StyledFragment tip = contents.createFragment(Style.GRAY);
if (offset >= aliases.size()) {
tip.createFragment(Style.RED).append(String.format("There is no page %d (total number of pages is %d).", page + 1, pageTotal)).newLine();
} else {
List<CommandMapping> list = aliases.subList(offset, Math.min(offset + perPage, aliases.size()));
tip.append("Type ");
tip.append(new Code().append("//help ").append("<command> [<page>]"));
tip.append(" for more information.").newLine();
// Add each command
for (CommandMapping mapping : list) {
StringBuilder builder = new StringBuilder();
if (isRootLevel) {