org-export-stack-contents

org-export-stack-contents is a variable defined in `ox.el'.
Its value is

nil

Documentation:
Record asynchronously generated export results and processes.
This is an alist: its CAR is the source of the
result (destination file or buffer for a finished process,
original buffer for a running one) and its CDR is a list
containing the back-end used, as a symbol, and either a process
or the time at which it finished. It is used to build the menu
from `org-export-stack'.