Revert 06ff1f3..d83c210

This rolls back to commit 06ff1f31aed928b416181b748d7ef0e04a5b9f10.
Revert "Revert 06ff1f3..d83c210"

This reverts commit 4ad8c3916f5115761b06da7303900c58d8c22971.
Revert "run-cabal-test"

This reverts commit 5b7055e51b97c1611f8165f5a5caecb1f902b81d.
syouryaku