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Correct the name of the emphasis element from tei:em to tei:emph as i… #70

Job	Run time
Build and Test (windows-latest, 25)	1m 57s
Build and Test (ubuntu-latest, 11)	1m 3s
Build and Test (macos-latest, 25)	1m 52s
Build and Test (windows-latest, 11)	1m 22s
Build and Test (ubuntu-latest, 25)	1m 21s
Build and Test (macos-latest, 11)	1m 49s
Deploy	1m 15s
	10m 39s

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