tm:subject[. isa tm:name] delivers no result

[GoogleCodeExporter]

Input:
    topic
        - "Name";.

Query:
    // tm:subject[. isa tm:name]

Result:
    []

Expected:
    [<item-which-represents-the-topic-name]

Original issue reported on code.google.com by lars.he...@gmail.com on 2 May 2011 at 12:36