[TYPO3-core] RFC: #15754: ExtDirect in Frontend

[Steffen Ritter]

some remarks:
- the change on debugginh please separate into another rfc
- there is some whitespace-cleanup in class.t3lib_extjs_extdirectapi.php
-  public·function·getLocationHeaderUrl()
  please make it if (TYPO3_MODE === 'FE') {} else {} (no second if)


so -1 on reading for now