with djview (which I installed using apt-get) it is possible to use one of the selection tools to select text within the document. evince can select text in PDF (and I believe PostScript documents) but it does not recognize that there is any selectable text in a djvu document (such as the above).
I'm not sure exactly what you are looking for in an example. However, say you open the following document
http:// research. microsoft. com/~simonpj/ Papers/ pj-lester- book/student. djvu
with djview (which I installed using apt-get) it is possible to use one of the selection tools to select text within the document. evince can select text in PDF (and I believe PostScript documents) but it does not recognize that there is any selectable text in a djvu document (such as the above).