When I build a JDOM document containing something like
  <glyph unicode="&#xe041;" glyph-name="A">
then this unicode attribute value is not preserved (maybe resolved or
escaped?).

I create such a document from scratch and write it with a modified
XMLOutputter which do not escape such attribute values. Then I need to
build it again from file. But when I output it again in the same way
the unicode text representation has disappeard. What must I do to
preserve this attribute values as is?

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Tom