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to uniquely identify the contents of the document. git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@3581 c91229c3-7414-0410-bfa2-8a42b809f60b
to uniquely identify the contents of the document. git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@3581 c91229c3-7414-0410-bfa2-8a42b809f60b
