Hi,

There seems room to enhance the usability around a file lock system of 3.0.

A division runs a file server for its staffs.
1. A general manger sends an e-mail to staffs to see a document in the file 
server.
2. User A opens the file with OpenOffice.org 3.0 as usual.
3. User B opens the file with OpenOffice.org 3.0 and faces a dialog window 
saying

    Document file 'xxx.odt' is locked for editing by:
    user_a (mm.dd.yyyy hh:mm)
    Open document read only or open a copy of the document for editing.
    [Open Read Only]  [Open Copy]  [Cancel]

4. User C opens the file with OpenOffice.org 3.0 and faces the same dialog.
5. User D opens ..., and blames User A.

User A did not intend to edit it or even bother anybody else, but just wanted 
to SEE it.

Models
 "Look before editing it" model - once used by legacy version control systems: 
rcs, sccs.
 "Merge after editing it" model - used by recent version control systems: CVS, 
Subversion, git.
 Current implemention of 3.0 could be considered "Lock before editing it" model.

Interoperability with other tools
 Several ODF tools - ODFToolkit, OODoc in Perl, ... - work with ODF files.
 They, however, do not work with a lock file of 3.x: .~lock.xxx.odt# .

Regards,
Tora

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