[Libreoffice-bugs] [Bug 105702] Allow the saving of multiple authors into file meta data

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=105702

--- Comment #5 from Regina Henschel <rb.henschel at t-online.de> ---
There are the "sender" elements in "7.3.6 Subsequent Author Fields".
In UI it is referenced by the field Insert > Field > More Fielss > tab Document
> item "sender". Is has a check box to fix the content. So when the next author
save the file, the value of the previous author is not overwritten. But that
information is only in the content.xml, not in the meta.xml. LibreOffice gets
this information from the user data in Tools > Option of the current user,
unless you disable it.

The original author is a different information. It is referenced in tab
DocInformation > Created. In file format this field is text:initial-creator.
And the current author is referenced in DocInformation > Modified. The current
author is always updated. In file format this field is the element
text:creator. These two information are stored in attribute
meta:initial-creator and dc:creator of element office:meta in file meta.xml.
You cannot have several "dc:creator" or "meta:initial-creator" attributes,
because that in not possible for attributes. 

Besides that you can always create a Custom Property in the Properties dialog
of the file and <meta:user-defined> elements in file format, as Heiko already
mentioned.

Or you can use arbitrary custom metadate elements inside the <office:meta>. But
they are implementation-defined and only allowed in "extended ODF 1.2". Foreign
application need not handle those elements at all, besides preserving them. For
these elements you need a macro, there is no UI. And I have not tested, whether
LibreOffice indeed "preserve" them.

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