<value><string>python: [item for sub_list in [here.portal_categories[base_category].getCategoryChildCompactLogicalPathItemList(base=1) for base_category in [\'foo_category\', \'foo_big_category\']] for item in sub_list]</string></value>
<value><string>python: [item for sub_list in [here.portal_categories[base_category].getCategoryChildCompactLogicalPathItemList(base=1, disable_node=(here.getReference() == \'disable_node\')) for base_category in [\'foo_category\', \'foo_big_category\']] for item in sub_list]</string></value>