project = ExpandVars

{data,data1,data2}   = foo
data1               += bar
data2               += "bar baz"

expanded1 = $data
expanded2 = ${data1,,}
expanded3 = "${data1,} ${data2,}"
literally = \$data \${data}

listdata = ${QDOC_TSTCONFIG_LIST}
csvlist = ${listdata,,}