tree[seltype="cell"] > treechildren::-moz-tree-cell-text(primary, dropOn),
tree[seltype="text"] > treechildren::-moz-tree-cell-text(primary, dropOn),
treechildren::-moz-tree-cell-text(dropOn) {
tree[seltype="cell"] > treechildren::-moz-tree-cell-text(primary, dropOn),
tree[seltype="text"] > treechildren::-moz-tree-cell-text(primary, dropOn),
treechildren::-moz-tree-cell-text(dropOn) {