Describe the bug
While working on #9062, I noticed that some existing code examples render incorrectly with empty lines in the beginning:
https://docs.rs/arrow/latest/arrow/compute/fn.min_boolean.html
https://docs.rs/arrow/latest/arrow/compute/fn.max_boolean.html
https://docs.rs/arrow/latest/arrow/compute/fn.lexsort.html
https://docs.rs/arrow/latest/arrow/compute/fn.take_record_batch.html
https://docs.rs/arrow/latest/arrow/compute/fn.shift.html

To Reproduce
Open the pages listed above.

Expected behavior
Code examples rendered correctly without empty lines in the beginning.