graph { flow: down; }
node { fill: #ffe0e0; }
node.core { fill: #e0ffe0; }

[ File-Spec ] { class: core; }
[ Filter-Util-Call ] { label: Filter-Util-Call\n (Filter); class: core; }
[ Scalar-Util ] { label: Scalar-Util\n (Scalar-List-Utils); class: core; }
[ Test-Harness ] { class: core; }
[ Test-More ] { label: Test-More\n (Test-Simple); class: core; }

[ YAML ] --> [ Test-Base ]
[ YAML ] --> [ Class-Spiffy ]
[ Class-Spiffy ] --> [ Scalar-Util ]
[ Test-Base ] --> [ Spiffy ]
[ Test-Base ] --> [ Test-More ]
[ Test-Base ] --> [ Algorithm-Diff ]
[ Test-Base ] --> [ Text-Diff ]
[ Spiffy ] --> [ Filter-Util-Call ]
[ Spiffy ] --> [ Scalar-Util ]
[ Test-More ] --> [ Test-Harness ]
[ Test-Harness ] --> [ File-Spec ]