deletions | additions       diff --git a/layout.md b/layout.md  index c08f30e..40399ea 100644  --- a/layout.md  +++ b/layout.md 
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tax system 1954 1970.md  tax system 1970-1974.md  tax system 1974-1984.md  tax system 1984-1.md  tax system 1984-.md