tales-exist-01.html 238 Bytes Edit Raw Blame History Permalink 1 2 3 4 5 6 <span> <span tal:condition="exists:foo">foo exists</span> <span tal:condition="exists: foo/bar">foo/bar exists</span> <span tal:condition="exists: bar ">bar exists</span> <span tal:condition="exists:bar">bar exists</span> </span>