Hello org maintainers, The manual suggests setting `org-clock-persist' to 'history, but this value isn't documented in the docstring. There is an explicit check for the value of history in `org-clock-save', so I think it should be documented since it's more than just a non-nil value.
Thanks, Ivan Emacs : GNU Emacs 24.3.50.3 (i386-apple-darwin12.2.0, NS apple-appkit-1187.34) of 2012-12-14 on oroszlan.local Package: Org-mode version 7.9.2 (7.9.2-90-ge5ea08-elpaplus @ /Users/gvol/vcs/emacs/local/nextstep/Emacs.app/Contents/Resources/lisp/org/) current state: ============== (setq org-hide-leading-stars t org-export-preprocess-before-selecting-backend-code-hook '(org-beamer-select-beamer-code) org-tab-first-hook '(org-hide-block-toggle-maybe org-src-native-tab-command-maybe org-babel-hide-result-toggle-maybe org-babel-header-arg-expand) org-speed-command-hook '(org-speed-command-default-hook org-babel-speed-command-hook) org-ctrl-c-ctrl-c-final-hook '(decrypt-current-block) org-occur-hook '(org-first-headline-recenter) org-metaup-hook '(org-babel-load-in-session-maybe) org-export-preprocess-before-normalizing-links-hook '(org-remove-file-link-modifiers) org-confirm-shell-link-function 'yes-or-no-p org-export-latex-final-hook '(org-beamer-amend-header org-beamer-fix-toc org-beamer-auto-fragile-frames org-beamer-place-default-actions-for-lists) org-special-ctrl-a/e t org-export-latex-after-initial-vars-hook '(org-beamer-after-initial-vars) org-agenda-skip-scheduled-if-done t org-agenda-custom-commands '(("t" "TODO today" todo "TODO" ((org-agenda-sorting-strategy (quote (time-up)))) nil) ("l" "TODO today" tags "LaTeX" ((org-agenda-sorting-strategy (quote (priority-down))) ) nil) ("d" "dissertation" todo "Dissertation" ((org-agenda-files (quote ("~/TeX/dissertation/todo.org"))) (org-agenda-sorting-strategy (quote (priority-up)))) nil) ("v" "Creative" tags "creative" ((org-agenda-sorting-strategy (quote (alpha-up)))) nil) ) org-todo-keyword-faces '(("IDEA" :foreground "orange" :weight bold) ("LATER" :foreground "orange" :weight bold) ("WORKING" :foreground "orange" :weight bold)) org-after-todo-state-change-hook '(org-clock-out-if-current) org-src-mode-hook '(org-src-babel-configure-edit-buffer org-src-mode-configure-edit-buffer) org-agenda-before-write-hook '(org-agenda-add-entry-text) org-babel-pre-tangle-hook '(save-buffer) org-export-copy-to-kill-ring nil org-mode-hook '(er/add-org-mode-expansions #[nil "\300\301\302\303\304$\207" [add-hook before-save-hook org-encrypt-entries nil t] 5] alth-auto-hook-org-mode-hook #[nil "\300\301\302\303\304$\207" [org-add-hook change-major-mode-hook org-show-block-all append local] 5] #[nil "\300\301\302\303\304$\207" [org-add-hook change-major-mode-hook org-babel-show-result-all append local] 5] org-babel-result-hide-spec org-babel-hide-all-hashes) org-export-with-tags 'not-in-toc org-ctrl-c-ctrl-c-hook '(org-babel-hash-at-point org-babel-execute-safely-maybe) org-directory "~" org-cycle-hook '(org-cycle-hide-archived-subtrees org-cycle-hide-drawers org-cycle-show-empty-lines org-optimize-window-after-visibility-change) org-tags-exclude-from-inheritance '("crypt") org-export-latex-format-toc-function 'org-export-latex-format-toc-default org-export-blocks '((src org-babel-exp-src-block nil) (export-comment org-export-blocks-format-comment t) (ditaa org-export-blocks-format-ditaa nil) (dot org-export-blocks-format-dot nil)) org-archive-location "~/Documents/archive.org::From %s" org-export-first-hook '(org-beamer-initialize-open-trackers) org-export-interblocks '((src org-babel-exp-non-block-elements)) org-export-with-drawers nil org-modules '(org-bbdb org-bibtex org-docview org-gnus org-info org-jsinfo org-irc org-mew org-mhe org-rmail org-vm org-w3m org-wl org-habit) org-babel-tangle-lang-exts '(("python" . "py") ("emacs-lisp" . "el")) org-confirm-elisp-link-function 'yes-or-no-p org-metadown-hook '(org-babel-pop-to-session-maybe) org-ditaa-jar-path "/Users/gvol/.emacs.d/elpa/contrib/scripts/ditaa.jar" org-export-html-final-hook '(convert-to-wordpress-markup) org-structure-template-alist '(("s" "#+BEGIN_SRC ?\n\n#+END_SRC" "<src lang=\"?\">\n\n</src>") ("e" "#+BEGIN_EXAMPLE\n?\n#+END_EXAMPLE" "<example>\n?\n</example>") ("q" "#+BEGIN_QUOTE\n?\n#+END_QUOTE" "<quote>\n?\n</quote>") ("v" "#+BEGIN_VERSE\n?\n#+END_VERSE" "<verse>\n?\n</verse>") ("c" "#+BEGIN_CENTER\n?\n#+END_CENTER" "<center>\n?\n</center>") ("l" "#+BEGIN_LaTeX\n?\n#+END_LaTeX" "<literal style=\"latex\">\n?\n</literal>") ("L" "#+LaTeX: " "<literal style=\"latex\">?</literal>") ("h" "#+BEGIN_HTML\n?\n#+END_HTML" "<literal style=\"html\">\n?\n</literal>") ("H" "#+HTML: " "<literal style=\"html\">?</literal>") ("a" "#+BEGIN_ASCII\n?\n#+END_ASCII") ("A" "#+ASCII: ") ("i" "#+INDEX: ?" "#+INDEX: ?") ("I" "#+INCLUDE: %file ?" "<include file=%file markup=\"?\">") ) org-mobile-directory "~/Sites/org" org-beamer-fragile-re "\\\\\\(verb\\|lstinline\\|href\\)\\|^[ ]*\\\\begin{\\(verbatim\\|lstlisting\\|minted\\)}" org-feed-alist '(("SageTrac" "http://trac.sagemath.org/sage_trac/report/34?format=rss&USER=iandrus" "~/SageStuff/trac.org" "Sage Trac Items" :template "\n* %h\n %U\n %a\n#+begin_src html\n %description\n#+end_src\n") ("SageGetReviewed" "http://trac.sagemath.org/sage_trac/query?status=needs_review&format=rss&author=%7EAndrus&order=priority" "~/SageStuff/trac.org" "Get Reviewed" :template "\n* %h\n %U\n %a\n#+begin_src html\n %description\n#+end_src\n") ("SageWorkOn" "http://trac.sagemath.org/sage_trac/query?status=needs_info&status=needs_work&status=new&owner=iandrus&format=rss" "~/SageStuff/trac.org" "Work On" :template "\n* %h\n %U\n %a\n#+begin_src html\n %description\n#+end_src\n") ("SageReview" "http://trac.sagemath.org/sage_trac/query?status=needs_review&format=rss&cc=%7Eiandrus&author=%21%7Eandrus&order=priority" "~/SageStuff/trac.org" "Review These" :template "\n* %h\n %U\n %a\n#+begin_src html\n %description\n#+end_src\n") ("SageFollow" "http://trac.sagemath.org/sage_trac/query?status=needs_info&status=needs_work&status=new&format=rss&cc=%7Eiandrus&order=priority" "~/SageStuff/trac.org" "Follow" :template "\n* %h\n %U\n %a\n#+begin_src html\n %description\n#+end_src\n") ) org-reveal-start-hook '(org-decrypt-entry) org-agenda-files '("~/todo.org" "~/TeX/dissertation/todo.org" "~/SageStuff/trac.org") org-clock-out-hook '(org-clock-remove-empty-clock-drawer) org-mobile-inbox-for-pull "~/todo.org" org-src-fontify-natively t )