[Bug-tar] Problem list incremental dump file.

[Jae Sang Lee]

Hi, 

I read GNU tar manual http://www.gnu.org/software/tar/manual/html_node/Incremental-Dumps.html#SEC94

In that page, To list archive file, 

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To list the contents of an incremental archive, use ‘--list’ (see section How to List Archives), as usual. To obtain more information about the archive, use ‘--listed-incremental’ or ‘--incremental’ combined with two ‘--verbose’ options(13):

tar --list --incremental --verbose --verbose archive.tar

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But it's not running, 
I think this is right _expression_

tar --list --incremental --verbose --verbose --file=archive.tar

My GNU tar version is 1.25