Revert "Don't verify triggers against the action list"

This reverts commit 56c574d17422210a150302129f8d8eb2b5aa2ca5.
Revert "REPLACE_TRANS_ACTION warns on invalid actions"

This reverts commit 3e642f25c95ee7340191d797e052589c45168eb6.
Revert "REPLACE_TRANS_ACTION warns on invalid actions"

This reverts commit f1007b50b46918ed6baa0c1cca468960ef9ceff9.

Reverted because it breaks on regexps