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But every change to the Cobol codebase carries a risk of introducing new bugs (and presumably there are changes if they employ programmers to work on it) so if

by ptx 7y ago

But every change to the Cobol codebase carries a risk of introducing new bugs (and presumably there are changes if they employ programmers to work on it) so if a newer language and platform makes changes easier and less risky it could still be a win.