Describe the bug

Some code blocks are not ignored as block.

To Reproduce

Steps to reproduce the behaviour:

1. A file containing

/// # Example
///
#[cfg_attr(unix, doc = "```no_run")]
#[cfg_attr(not(unix), doc = "```ignore")]
/// use std::path::Path;
/// assert_eq!(Path::new("./is_a_directory/").is_dir(), true);
/// ```

3. Run cargo spellcheck ...
4. ...

Expected behavior

Ignore the code

Screenshots

Please complete the following information:

• System: Fedora
• Obtained: git
• Version: 0.11.2

Additional context