//! Debug macros for expanding and inspecting farben markup.
/// Debug macro to expand farben markup and print intermediate representations.
///
/// Prints the input markup, the re-serialized token stream, and the final ANSI output.
/// Useful for debugging markup parsing issues.
///
/// # Example
///
/// ```ignore
/// expand!("[bold red]hello");
/// // input: [bold red]hello
/// // expanded: [bold][red]hello
/// // ansi: "\x1b[1;31mhello"
/// ```