Implement more of doc highlights / find all refs #6306

Job	Run time
baselines	5m 53s
tidy	1m 13s
test (windows-latest)	16m 44s
generate	3m 29s
smoke	5m 6s
test (noembed)	5m 8s
format	3m 24s
test (race mode)	13m 52s
test (no submodules)	5m 28s
test (ubuntu-latest)	6m 22s
test (concurrent test programs)	6m 53s
lint (windows-latest)	9m 16s
test (macos-latest)	12m 49s
lint (ubuntu-latest)	2m 46s
lint (noembed)	2m 54s
build	2m 30s
misc	1m 1s
extension	47s
required	4s
	1h 45m 39s

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