Contributed a targeted bug fix to the macvim-dev/macvim repository, addressing incorrect indentation after closing brackets in nested array literals within Rust code. Focused on improving code readability and structural clarity, the work involved analyzing the Rust runtime’s formatting logic and updating Vim script routines to ensure consistent indentation. By resolving issues #18974 and #19042, the patch enhanced maintainability and reduced confusion during code reviews, particularly for complex nested data structures. The solution adhered to project contribution standards, including Signed-off-by policies and cross-team communication, and demonstrated proficiency in Rust, Vim scripting, and code formatting within collaborative open-source workflows.