Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+<div align="center">
+  <h1><code>wast</code></h1>
+
+<strong>A <a href="https://bytecodealliance.org/">Bytecode Alliance</a> project</strong>
+
+  <p>
+    <strong>A Rust parser for the <a href="https://webassembly.github.io/spec/core/text/index.html">WebAssembly Text Format (WAT)</a>.</strong>
+  </p>
+
+  <p>
+    <a href="https://crates.io/crates/wast"><img src="https://img.shields.io/crates/v/wast.svg?style=flat-square" alt="Crates.io version" /></a>
+    <a href="https://crates.io/crates/wast"><img src="https://img.shields.io/crates/d/wast.svg?style=flat-square" alt="Download" /></a>
+    <a href="https://docs.rs/wast/"><img src="https://img.shields.io/badge/docs-latest-blue.svg?style=flat-square" alt="docs.rs docs" /></a>
+  </p>
+</div>
+
+
+## Usage
+
+Add `wast` to your `Cargo.toml`
+
+```sh
+$ cargo add wast
+```
+
+The intent of this crate is to provide utilities, combinators, and built-in
+types to parse anything that looks like a WebAssembly s-expression.
+
+* Need to parse a `*.wat` file?
+* Need to parse a `*.wast` file?
+* Need to run test suite assertions from the official wasm test suite?
+* Want to write an extension to the WebAssembly text format?
+
+If you'd like to do any of the above this crate might be right for you! You may
+also want to check out the `wat` crate which provides a much more stable
+interface if all you'd like to do is convert `*.wat` to `*.wasm`.
+
+## Cargo features
+
+By default this crate enables and exports support necessary to parse `*.wat` and
+`*.wast` files, or in other words entire wasm modules. If you're using this
+crate, however, to parse simply an s-expression wasm-related format (like
+`*.witx` or `*.wit` perhaps) then you can disable the default set of features to
+only include a lexer, the parsing framework, and a few basic token-related
+parsers.
+
+```sh
+$ cargo add wast --no-default-features
+```
+
+# License
+
+This project is licensed under the Apache 2.0 license with the LLVM exception.
+See [LICENSE](LICENSE) for more details.
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in this project by you, as defined in the Apache-2.0 license,
+shall be dual licensed as above, without any additional terms or conditions.