implement incremental checking based on built-in sentence navigation #98

Job	Run time
test (ubuntu-latest, 27.1, false)	28s
test (ubuntu-latest, 28.2, false)	28s
test (ubuntu-latest, 29.2, false)	52s
test (macos-latest, 27.1, false)	1m 42s
test (macos-latest, 28.2, false)	1m 48s
test (macos-latest, 29.2, false)	1m 48s
test (windows-latest, 27.1, false)	52s
test (windows-latest, 28.2, false)	39s
test (windows-latest, 29.2, false)	1m 0s
test (ubuntu-latest, snapshot, true)	28s
test (macos-latest, snapshot, true)	1m 34s
test (windows-latest, snapshot, true)	36s
	12m 15s

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