Don't strip empty lines in main function #1821

Job	Run time
mdBook Check	4s
license header check	4s
CCAA-check	3s
typo-check	4s
stable-test (ubuntu-latest)	4m 10s
bleeding-test (ubuntu-latest)	4m 7s
stable-test (macos-latest)	3m 19s
bleeding-test (macos-latest)	3m 57s
stable-test (macos-13)	5m 12s
bleeding-test (macos-13)	6m 39s
stable-test (windows-latest)	5m 8s
bleeding-test (windows-latest)	5m 16s
coverage	42m 8s
	1h 20m 11s

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