<macros>
    <xml name="requirements">
        <requirements>
            <requirement type="package" version="3.2.1">R</requirement>
            <requirement type="package" version="1.22.0">goseq</requirement>
        </requirements>
    </xml>
    <xml name="stdio">
        <stdio>
            <regex match="Execution halted"
                   source="both"
                   level="fatal"
                   description="Execution halted." />
            <regex match="Error in"
                   source="both"
                   level="fatal"
                   description="An undefined error occured, please check your input carefully and contact your administrator." />
            <regex match="Fatal error"
                   source="both"
                   level="fatal"
                   description="An undefined error occured, please check your input carefully and contact your administrator." />
        </stdio>
    </xml>
</macros>