Function extract_header_id 

pub fn extract_header_id(line: &str) -> (String, Option<String>)

Extract custom header ID from a line if present, returning clean text and ID

Supports multiple formats:

• Kramdown: {#id}
• Python-markdown: {:#id}, {: #id}, {: #id .class}

Examples

use rumdl_lib::utils::header_id_utils::extract_header_id;

// Kramdown format
let (text, id) = extract_header_id("# Header {#custom-id}");
assert_eq!(text, "# Header");
assert_eq!(id, Some("custom-id".to_string()));

// Python-markdown attr-list format
let (text, id) = extract_header_id("# Header {: #my-id .highlight}");
assert_eq!(text, "# Header");
assert_eq!(id, Some("my-id".to_string()));