`deft md toc`

Insert a table of contents from the headings

2 runs on real files, 5 tests on generated files, not shown. 0 failed.

Fixed cases

Generated files, compared with ground truth by tools other than deft.

after the titlePassed

deft md toc rust-readme.md --depth 3 -o out.md

Input

rust-readme.md 3.2 KB

<div align="center">
  <picture>
    <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-dark.svg">
    <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-light.svg">
    <img alt="The Rust Programming Language: A language empowering everyone to build reliable and efficient software"
         src="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-light.svg"
         width="50%">
  </picture>

[Website][Rust] | [Getting started] | [Learn] | [Documentation] | [Contributing]
</div>

This is the main source code repository for [Rust]. It contains the compiler,
standard library, and documentation.

[Rust]: https://www.rust-lang.org/
[Getting Started]: https://www.rust-lang.org/learn/get-started
[Learn]: https://www.rust-lang.org/learn
[Documentation]: https://www.rust-lang.org/learn#learn-use
[Contributing]: CONTRIBUTING.md

## Why Rust?

- **Performance:** Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrated with other languages.

- **Reliability:** Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.

- **Productivity:** Comprehensive documentation, a compiler committed to providing great diagnostics, and advanced tooling including package manager and build tool ([Cargo]), auto-formatter ([rustfmt]), linter ([Clippy]) and editor support ([rust-analyzer]).

[Cargo]: https://github.com/rust-lang/cargo
[rustfmt]: https://github.com/rust-lang/rustfmt
[Clippy]: https://github.com/rust-lang/rust-clippy
[rust-analyzer]: https://github.com/rust-lang/rust-analyzer

## Quick Start

Read ["Installation"] from [The Book].

["Installation"]: https://doc.rust-lang.org/book/ch01-01-installation.html
[The Book]: https://doc.rust-lang.org/book/index.html

## Installing from Source

If you really want to install from source (though this is not recommended), see
[INSTALL.md](INSTALL.md).

## Getting Help

See https://www.rust-lang.org/community for a list of chat platforms and forums.

## Contributing

See [CONTRIBUTING.md](CONTRIBUTING.md).

For a detailed explanation of the compiler's architecture and how to begin contributing, see the [rustc-dev-guide](https://rustc-dev-guide.rust-lang.org/).

## License

Rust is primarily distributed under the terms of both the MIT license and the
Apache License (Version 2.0), with portions covered by various BSD-like
licenses.

See [LICENSE-APACHE](LICENSE-APACHE), [LICENSE-MIT](LICENSE-MIT), and
[COPYRIGHT](COPYRIGHT) for details.

## Trademark

[The Rust Foundation][rust-foundation] owns and protects the Rust and Cargo
trademarks and logos (the "Rust Trademarks").

If you want to use these names or brands, please read the
[Rust language trademark policy][trademark-policy].

Third-pa
… 304 more characters

Output

out.md 3.5 KB

<div align="center">
  <picture>
    <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-dark.svg">
    <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-light.svg">
    <img alt="The Rust Programming Language: A language empowering everyone to build reliable and efficient software"
         src="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-light.svg"
         width="50%">
  </picture>

[Website][Rust] | [Getting started] | [Learn] | [Documentation] | [Contributing]
</div>

This is the main source code repository for [Rust]. It contains the compiler,
standard library, and documentation.

[Rust]: https://www.rust-lang.org/
[Getting Started]: https://www.rust-lang.org/learn/get-started
[Learn]: https://www.rust-lang.org/learn
[Documentation]: https://www.rust-lang.org/learn#learn-use
[Contributing]: CONTRIBUTING.md

<!-- toc -->
- [Why Rust?](#why-rust)
- [Quick Start](#quick-start)
- [Installing from Source](#installing-from-source)
- [Getting Help](#getting-help)
- [Contributing](#contributing)
- [License](#license)
- [Trademark](#trademark)
<!-- /toc -->

## Why Rust?

- **Performance:** Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrated with other languages.

- **Reliability:** Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.

- **Productivity:** Comprehensive documentation, a compiler committed to providing great diagnostics, and advanced tooling including package manager and build tool ([Cargo]), auto-formatter ([rustfmt]), linter ([Clippy]) and editor support ([rust-analyzer]).

[Cargo]: https://github.com/rust-lang/cargo
[rustfmt]: https://github.com/rust-lang/rustfmt
[Clippy]: https://github.com/rust-lang/rust-clippy
[rust-analyzer]: https://github.com/rust-lang/rust-analyzer

## Quick Start

Read ["Installation"] from [The Book].

["Installation"]: https://doc.rust-lang.org/book/ch01-01-installation.html
[The Book]: https://doc.rust-lang.org/book/index.html

## Installing from Source

If you really want to install from source (though this is not recommended), see
[INSTALL.md](INSTALL.md).

## Getting Help

See https://www.rust-lang.org/community for a list of chat platforms and forums.

## Contributing

See [CONTRIBUTING.md](CONTRIBUTING.md).

For a detailed explanation of the compiler's architecture and how to begin contributing, see the [rustc-dev-guide](https://rustc-dev-guide.rust-lang.org/).

## License

Rust is primarily distributed under the terms of both the MIT license and the
Apache License (Version 2.0), with portions covered by various BSD-like
licenses.

See [LICENSE-APACHE](LICENSE-APACHE), [LICENSE-MIT](LICENSE-MIT), and
[COPYRIGHT](COPYRIGHT) for details.

## Tradem
… 551 more characters

What it printed

ok md.toc rust-readme.md -> out.md  7 entries  0.00s

Automatic checks (1)

python: code = "import re; t = open('out.md').read(); assert re.search(r'^- \\[.*\\]\\(#', t, re.M), t[:300]"

Real-file tasks

Real files and a plain-language job, from the agent benchmark. These are the reference answers, not an agent run.

Add a table of contentsPassed

Add a table of contents to rust-readme.md and save it as with-toc.md.

deft md toc rust-readme.md -o with-toc.md

Input

rust-readme.md 3.2 KB

<div align="center">
  <picture>
    <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-dark.svg">
    <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-light.svg">
    <img alt="The Rust Programming Language: A language empowering everyone to build reliable and efficient software"
         src="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-light.svg"
         width="50%">
  </picture>

[Website][Rust] | [Getting started] | [Learn] | [Documentation] | [Contributing]
</div>

This is the main source code repository for [Rust]. It contains the compiler,
standard library, and documentation.

[Rust]: https://www.rust-lang.org/
[Getting Started]: https://www.rust-lang.org/learn/get-started
[Learn]: https://www.rust-lang.org/learn
[Documentation]: https://www.rust-lang.org/learn#learn-use
[Contributing]: CONTRIBUTING.md

## Why Rust?

- **Performance:** Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrated with other languages.

- **Reliability:** Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.

- **Productivity:** Comprehensive documentation, a compiler committed to providing great diagnostics, and advanced tooling including package manager and build tool ([Cargo]), auto-formatter ([rustfmt]), linter ([Clippy]) and editor support ([rust-analyzer]).

[Cargo]: https://github.com/rust-lang/cargo
[rustfmt]: https://github.com/rust-lang/rustfmt
[Clippy]: https://github.com/rust-lang/rust-clippy
[rust-analyzer]: https://github.com/rust-lang/rust-analyzer

## Quick Start

Read ["Installation"] from [The Book].

["Installation"]: https://doc.rust-lang.org/book/ch01-01-installation.html
[The Book]: https://doc.rust-lang.org/book/index.html

## Installing from Source

If you really want to install from source (though this is not recommended), see
[INSTALL.md](INSTALL.md).

## Getting Help

See https://www.rust-lang.org/community for a list of chat platforms and forums.

## Contributing

See [CONTRIBUTING.md](CONTRIBUTING.md).

For a detailed explanation of the compiler's architecture and how to begin contributing, see the [rustc-dev-guide](https://rustc-dev-guide.rust-lang.org/).

## License

Rust is primarily distributed under the terms of both the MIT license and the
Apache License (Version 2.0), with portions covered by various BSD-like
licenses.

See [LICENSE-APACHE](LICENSE-APACHE), [LICENSE-MIT](LICENSE-MIT), and
[COPYRIGHT](COPYRIGHT) for details.

## Trademark

[The Rust Foundation][rust-foundation] owns and protects the Rust and Cargo
trademarks and logos (the "Rust Trademarks").

If you want to use these names or brands, please read the
[Rust language trademark policy][trademark-policy].

Third-pa
… 304 more characters

Output

with-toc.md 3.5 KB

<div align="center">
  <picture>
    <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-dark.svg">
    <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-light.svg">
    <img alt="The Rust Programming Language: A language empowering everyone to build reliable and efficient software"
         src="https://raw.githubusercontent.com/rust-lang/www.rust-lang.org/master/static/images/rust-social-wide-light.svg"
         width="50%">
  </picture>

[Website][Rust] | [Getting started] | [Learn] | [Documentation] | [Contributing]
</div>

This is the main source code repository for [Rust]. It contains the compiler,
standard library, and documentation.

[Rust]: https://www.rust-lang.org/
[Getting Started]: https://www.rust-lang.org/learn/get-started
[Learn]: https://www.rust-lang.org/learn
[Documentation]: https://www.rust-lang.org/learn#learn-use
[Contributing]: CONTRIBUTING.md

<!-- toc -->
- [Why Rust?](#why-rust)
- [Quick Start](#quick-start)
- [Installing from Source](#installing-from-source)
- [Getting Help](#getting-help)
- [Contributing](#contributing)
- [License](#license)
- [Trademark](#trademark)
<!-- /toc -->

## Why Rust?

- **Performance:** Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrated with other languages.

- **Reliability:** Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.

- **Productivity:** Comprehensive documentation, a compiler committed to providing great diagnostics, and advanced tooling including package manager and build tool ([Cargo]), auto-formatter ([rustfmt]), linter ([Clippy]) and editor support ([rust-analyzer]).

[Cargo]: https://github.com/rust-lang/cargo
[rustfmt]: https://github.com/rust-lang/rustfmt
[Clippy]: https://github.com/rust-lang/rust-clippy
[rust-analyzer]: https://github.com/rust-lang/rust-analyzer

## Quick Start

Read ["Installation"] from [The Book].

["Installation"]: https://doc.rust-lang.org/book/ch01-01-installation.html
[The Book]: https://doc.rust-lang.org/book/index.html

## Installing from Source

If you really want to install from source (though this is not recommended), see
[INSTALL.md](INSTALL.md).

## Getting Help

See https://www.rust-lang.org/community for a list of chat platforms and forums.

## Contributing

See [CONTRIBUTING.md](CONTRIBUTING.md).

For a detailed explanation of the compiler's architecture and how to begin contributing, see the [rustc-dev-guide](https://rustc-dev-guide.rust-lang.org/).

## License

Rust is primarily distributed under the terms of both the MIT license and the
Apache License (Version 2.0), with portions covered by various BSD-like
licenses.

See [LICENSE-APACHE](LICENSE-APACHE), [LICENSE-MIT](LICENSE-MIT), and
[COPYRIGHT](COPYRIGHT) for details.

## Tradem
… 551 more characters

Automatic checks (1)

python: code = "import re; assert re.search(r'^\\s*- \\[.*\\]\\(#', open('with-toc.md').read(), re.M)"