Merge pull request #350 from dalugm/fix-auto-mode-alist #203

Job	Run time
windows-build	4m 51s
gnu-build (macos-latest, 9.0.x, snapshot)	1m 54s
gnu-build (ubuntu-latest, 9.0.x, snapshot)	1m 19s
gnu-build (macos-latest, 9.0.x, 28.2)	1m 52s
gnu-build (ubuntu-latest, 9.0.x, 28.2)	1m 29s
gnu-build (ubuntu-latest, 9.0.x, 29.4)	2m 28s
gnu-build (macos-latest, 9.0.x, 29.4)	3m 35s
	17m 28s

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