Worked on the docling-project/docling repository to enhance the reliability of document exports by implementing explicit UTF-8 encoding during file output. Addressed cross-platform compatibility issues by ensuring that exported files consistently use UTF-8, reducing the likelihood of encoding errors for downstream consumers. This change was delivered through a targeted feature update, with clear traceability via a referenced commit and pull request. The work leveraged Python and focused on command line interface development, encoding handling, and file I/O operations. By specifying encoding at write time, the update improved interoperability and reduced support requests related to export failures across different environments.