Hello.
I use emacs -Q -l ~/.emacs.debug with the ~/.emacs.debug file containing only (add-to-list 'load-path "/home/cochard/Org/Coch-git/org-mode/lisp") I tried 2 versions of emacs, giving: Emacs : GNU Emacs 24.5.1 (x86_64-redhat-linux-gnu, GTK+ Version 3.18.9) of 2016-04-11 on buildvm-25.phx2.fedoraproject.org Package: Org mode version 9.1.14 (release_9.1.14-908-gf1269e @ /home/cochard/Org/Coch-git/org-mode/lisp/) Emacs : GNU Emacs 26.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.18.9) of 2018-05-30 Package: Org mode version 9.1.14 (release_9.1.14-908-gf1269e @ /home/cochard/Org/Coch-git/org-mode/lisp/) In both cases, org-copy-visible works as I expect: if I select region containing a folded tree, use 'M-x org-copy-visible', then put the cursor elsewhere and use 'M-x org-yank', only the visible part is copied. Now, if I append the line (setq x-select-enable-primary t) to ~/.emacs.debug, the whole tree is copied instead of the expected result, that is, including the invisible parts, also for the two emacs versions. NB: For emacs 26, as the manual says that [x-select-enable-primary] is an alias for ‘select-enable-primary’. This variable is obsolete since 25.1; use ‘select-enable-primary’ instead. I have also tried (setq select-enable-primary t) but this fails in the same way. Regards -- EOST (École et Observatoire des Sciences de la Terre) IPG (Institut de Physique du Globe) | alain.coch...@unistra.fr 5 rue René Descartes [bureau 106] | Phone: +33 (0)3 68 85 50 44 F-67084 Strasbourg Cedex, France | Fax: +33 (0)3 68 85 01 25