When extracting span links, the whole line gets assigned to the URL. Example input:  [test_doc_pdf.pdf](https://github.com/user-attachments/files/16472801/test_doc_pdf.pdf) Example output: ``` # 1. This is a header [This is a sample file pointing to GitHub website](https://github.com/) This is a paragraph ----- ```