Hi,   on one box (emacs 24.3.1, org-mode version  7.9.3f) when I do 'C-c C-x e', i can enter an effort estimate string directly as shown in Effort_ALL property (e.g. 3w).however on another box (emacs 24.3.1, org-mode version 8.3.3), the ' C-c C-x e' prompt me: ' Select 1-9,0, [RET]: 0 1h 2h 4h 1d 2d 3d 4d 1w 2w 3w 4w'if i try to enter 3w, it sets the effort to 2h (the 3rd entry)org-set-effort help describes that behavior when a numerical prefix arg is usedit's happening for me with or without a numeric prefix argit seems to me that without the numeric prefix, i should still be able to enter 3wthe 'nth allowed' prompt should only occur *with* the numeric prefix effort settings:   the only effort-related setting in my .emacs file is:                (setq org-time-clocksum-use-effort-durations t)at the top of the .org file:                #+PROPERTY: Effort_ALL 0 1h 2h 4h 1d 2d 3d 4d 1w 2w 3w 4wunder the top level heading for which i want estimates:                :PROPERTIES:                :COLUMNS:  %90ITEM(Task) %10Effort(Estimated Effort){:} %CLOCKSUM                :END:   David   In GNU Emacs 24.3.1 (i386-mingw-nt6.1.7601) of 2013-03-17 on MARVINWindowing system distributor `Microsoft Corp.', version 6.1.7601Configured using: `configure --with-gcc (4.7) --cflags -ID:/devel/emacs/libs/libXpm-3.5.8/include -ID:/devel/emacs/libs/libXpm-3.5.8/src -ID:/devel/emacs/libs/libpng-dev_1.4.3-1/include -ID:/devel/emacs/libs/zlib-dev_1.2.5-2/include -ID:/devel/emacs/libs/giflib-4.1.4-1/include -ID:/devel/emacs/libs/jpeg-6b-4/include -ID:/devel/emacs/libs/tiff-3.8.2-1/include -ID:/devel/emacs/libs/gnutls-3.0.9/include -ID:/devel/emacs/libs/libiconv-1.13.1-1-dev/include -ID:/devel/emacs/libs/libxml2-2.7.8/include/libxml2'   Important settings:  value of $LANG: ENU  locale-coding-system: cp1252  default enable-multibyte-characters: t   Major mode: Org   Minor modes in effect:  org-indent-mode: t  google-this-mode: t  desktop-save-mode: t  show-paren-mode: t  tooltip-mode: t  mouse-wheel-mode: t  tool-bar-mode: t  menu-bar-mode: t  file-name-shadow-mode: t  global-font-lock-mode: t  font-lock-mode: t  blink-cursor-mode: t  auto-composition-mode: t  auto-encryption-mode: t  auto-compression-mode: t  column-number-mode: t  line-number-mode: t  transient-mark-mode: t   Load-path shadows:d:/ddc/.emacs.d/elpa/org-20160201/org hides d:/bin/emacs-24.3/lisp/org/orgd:/ddc/.emacs.d/elpa/org-20160201/org-w3m hides d:/bin/emacs-24.3/lisp/org/org-w3md:/ddc/.emacs.d/elpa/org-20160201/org-version hides d:/bin/emacs-24.3/lisp/org/org-versiond:/ddc/.emacs.d/elpa/org-20160201/org-timer hides d:/bin/emacs-24.3/lisp/org/org-timerd:/ddc/.emacs.d/elpa/org-20160201/org-table hides d:/bin/emacs-24.3/lisp/org/org-tabled:/ddc/.emacs.d/elpa/org-20160201/org-src hides d:/bin/emacs-24.3/lisp/org/org-srcd:/ddc/.emacs.d/elpa/org-20160201/org-rmail hides d:/bin/emacs-24.3/lisp/org/org-rmaild:/ddc/.emacs.d/elpa/org-20160201/org-protocol hides 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d:/bin/emacs-24.3/lisp/org/ob-calcd:/ddc/.emacs.d/elpa/org-20160201/ob-C hides d:/bin/emacs-24.3/lisp/org/ob-Cd:/ddc/.emacs.d/elpa/org-20160201/ob-awk hides d:/bin/emacs-24.3/lisp/org/ob-awkd:/ddc/.emacs.d/elpa/org-20160201/ob-asymptote hides d:/bin/emacs-24.3/lisp/org/ob-asymptote   Features:(shadow sort mail-extr emacsbug message rfc822 mml mml-sec mm-decodemm-bodies mm-encode mailabbrev gmm-utils mailheader sendmail debugapropos org-colview rect calc-yank calc-alg calc-ext calc-menu calccalc-loaddefs calc-macs ox-latex ox-icalendar ox-html ox-asciiox-publish ox lisp-mnt mule-util mail-utils network-stream starttlsurl-http tls mail-parse rfc2231 rfc2047 rfc2045 ietf-drums url-gwurl-cache url-auth cus-edit wid-edit org-table diary-lib diary-loaddefscal-iso org-agenda org-clock ibuf-ext ibuffer misearch multi-isearchbrowse-url vc-hg conf-mode python rx sgml-mode js json imenu thingatptcc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align cc-enginecc-vars cc-defs nxml-uchnm rng-xsd xsd-regexp rng-cmpct rng-nxmlrng-valid rng-loc rng-uri rng-parse nxml-parse rng-match rng-dt rng-utilrng-pttrn nxml-ns nxml-mode nxml-outln nxml-rap nxml-util nxml-glyphnxml-enc xmltok sh-script smie executable org-indent org-rmail org-mheorg-irc org-info org-gnus org-docview doc-view jka-compr image-modeorg-bibtex bibtex org-bbdb org-element avl-tree org-w3m org org-macroorg-footnote org-pcomplete pcomplete org-list org-faces org-entitiesnoutline outline org-version ob-emacs-lisp ob ob-tangle ob-ref ob-lobob-table ob-exp org-src ob-keys ob-comint ob-core ob-eval org-compatorg-macs org-loaddefs find-func cal-menu calendar cal-loaddefs grepcompile warnings comint ansi-color ring cus-start cus-load google-thisurl url-proxy url-privacy url-expand url-methods url-history url-cookieurl-domsuf url-util url-parse auth-source eieio byte-opt bytecompbyte-compile cconv gnus-util mm-util mail-prsvr password-cache url-varsmailcap google-this-autoloads finder-inf org-autoloads info packagedesktop dired+ w32-browser image-dired format-spec image-file bookmark+bookmark+-key easy-mmode advice help-fns cl-lib advice-preload derivedbookmark+-1 bookmark+-bmu help-mode bookmark+-lit bookmark pp dired-xeasymenu dired-aux dired paren edmacro kmacro time-date tooltipediff-hook vc-hooks lisp-float-type mwheel dos-w32 ls-lispw32-common-fns disp-table w32-win w32-vars tool-bar dnd fontset imageregexp-opt fringe tabulated-list newcomment lisp-mode register pagemenu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-locksyntax facemenu font-core frame cham georgian utf-8-lang misc-langvietnamese tibetan thai tai-viet lao korean japanese hebrew greekromanian slovak czech european ethiopic indian cyrillic chinesecase-table epa-hook jka-cmpr-hook help simple abbrev minibuffer loaddefsbutton faces cus-face macroexp files text-properties overlay sha1 md5base64 format env code-pages mule custom widget hashtable-print-readablebackquote make-network-process w32 multi-tty emacs)