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Oxygen XML Editor offers an add-on that contributes a preferences page (Options > Preferences > Plugins > DITA Prolog Updater) that includes various options for updating the prolog section of a DITA topic or map.

Installing the Add-on

To install it the add-on, follow these instructions:
  1. Go to Help > Install new add-ons to open an add-on selection dialog box.
  2. Enter or paste https://www.oxygenxml.com/InstData/Addons/default/updateSite.xml in the Show add-ons from field or select it from the drop-down menu.
  3. Select the DITA Prolog Updater add-on and click Next.
  4. Select the I accept all terms of the end user license agreement option and click Finish.
  5. Restart the application.

Result: The DITA Prolog Updater preferences page will now be available in Options > Preferences > Plugins.

DITA Prolog Updater Preferences Page

The contributed preferences page includes the following general options:
Author
Specifies the name of the author. By default, it is the system user name.
Date format
Specifies the format of the date that will be added in the prolog section. If the date format entered is invalid, the yyy/MM/dd format is used by default.
These options are followed by the following options that can be set for DITA topics or maps (or both):
Enable automatic prolog update on save
When this option is selected, the prolog is updated anytime the document is saved.
Set creator name
When this option is selected, the author is set as the document's creator in the prolog when the document is saved. This option is only applicable for new documents.
Set created date
When this option is selected, a created date is added to the prolog when the document is saved. This option is only applicable for new documents.
Update contributor names
When this option is selected, the author is set as a contributor in the prolog when the document is saved. This option is only applicable for already existing documents.
Update revised dates
When this option is selected, a revised date is added to the prolog when the document is saved. This option is only applicable for already existing documents.

For more information, see the details for this DITA Prolog Updater add-on in GitHub.