Add reproduction of html as dbf bug #159

Job	Run time
build_wheel_and_sdist	14s
run_speed_tests (3.13, windows-latest)	38s
run_speed_tests (3.9, ubuntu-24.04)	28s
run_speed_tests (3.13, ubuntu-24.04)	21s
run_speed_tests (3.9, windows-latest)	1m 16s
	2m 57s

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