Then, when I restore the workgroup, the cloned windows are reopened, and point to the same file (good). but the indirectness is not restored i.e. the modeline doesn't show that number of the indirect buffer, and if I expand a headline in one of the windows, then that change shows up on all of the windows, instead of on just the one where I expanded a headline.
If I save a workgroup with several cloned org-mode windows created with:
M-x clone-indirect-buffer RET https://www.gnu.org/software/emacs/manual/html_node/emacs/Indirect-Buffers.html
Then, when I restore the workgroup, the cloned windows are reopened, and point to the same file (good). but the indirectness is not restored i.e. the modeline doesn't show that number of the indirect buffer, and if I expand a headline in one of the windows, then that change shows up on all of the windows, instead of on just the one where I expanded a headline.