New in version 13.0: Starting with TYPO3 version 13.0 user TSconfig from Configuration/user.tsconfig is automatically included.

In this file global user TSconfig can be stored. It will be automatically included for the whole TYPO3 installation during build time.

For details see Setting the user TSconfig globally.

page.TCEMAIN.table.pages.disablePrependAtCopy = 1