lectito 0.3.0

Article extraction and readability parsing for Lectito.
Documentation 
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# lectito

`lectito` is the Rust library crate for Lectito. It extracts readable article
content from HTML and returns cleaned HTML, Markdown, plain text, metadata, and
diagnostics.

Add it to a Rust project:

```toml
[dependencies]
lectito = "0.1"
```

Use the library through the `lectito` crate name:

```rust
use lectito::{extract, ReadabilityOptions};

fn main() -> Result<(), lectito::Error> {
    let html = r#"
        <article>
            <h1>Readable HTML in Rust</h1>
            <p>Lectito extracts the article body and removes page chrome.</p>
            <p>It returns cleaned HTML, Markdown, plain text, and metadata.</p>
        </article>
    "#;

    let options = ReadabilityOptions { char_threshold: 0, ..Default::default() };
    let article = extract(html, Some("https://example.com/post"), &options)?
        .expect("example article should be readable");

    println!("{}", article.markdown);

    Ok(())
}
```

The crate does not fetch pages. Pass HTML from your own crawler, browser,
cache, test fixture, or application code.

Extraction starts with structured metadata and known article containers before
falling back to generic readability scoring.

Use `content_selector` when your caller already knows the article root, and use
`extract_with_diagnostics` when you need to debug root selection.