Felix Fernandes <felixf...@gmail.com> writes: >> You probably need to make sure that you install org correctly, so that >> the previous bits are shadowed completely. Read the "Using Emacs >> packaging system" subsection of the "Installation" section of the Org >> manual for important information: >> >> (info "(org) Installation") > > I checked the information at the info node that you suggested. It provides > the following requirements: Make sure that no other org files are open > during the install and place (package-initialize) before setting org options > in .emacs. I verified both of these requirements and updated to org version > 20141229, but I still encounter the function org-export-icalendar-this-file > and it still produces the same error as before. >
Try putting the call to package-initialize at the very top of your .emacs. > How to uninstall all org modes and re-install only the latest one? AFAIK, you don't need to uninstall the bundled org-mode. See http://thread.gmane.org/gmane.emacs.orgmode/84840/focus=84862 and its containing thread: http://thread.gmane.org/gmane.emacs.orgmode/84840 for some enlightenment. -- Nick