// Copyright 2020 The Jujutsu Authors//// Licensed under the Apache License, Version 2.0 (the "License");// you may not use this file except in compliance with the License.// You may obtain a copy of the License at//// https://www.apache.org/licenses/LICENSE-2.0//// Unless required by applicable law or agreed to in writing, software// distributed under the License is distributed on an "AS IS" BASIS,// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.// See the License for the specific language governing permissions and// limitations under the License. use std::io::Write as _; use crate::cli_util::CommandHelper;use crate::command_error::CommandError;use crate::ui::Ui; /// Print the CLI help for all subcommands in Markdown#[derive(clap::Args, Clone, Debug)]pub struct UtilMarkdownHelp {} pub async fn cmd_util_markdown_help(    ui: &mut Ui,    command: &CommandHelper,    _args: &UtilMarkdownHelp,) -> Result<(), CommandError> {    // If we ever need more flexibility, the code of `clap_markdown` is simple and    // readable. We could reimplement the parts we need without trouble.    let markdown = clap_markdown::help_markdown_command(command.app()).into_bytes();    ui.stdout().write_all(&markdown)?;    Ok(())}