Bug report: interaction with python-mode.el

Bug report: interaction with python-mode.el

[Greg Novak]

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If I load a python source file using python-mode.el, and then subsequently
look at a .org file using org-mode.el, I get an error:

Lisp error: (wrong-type-argument stringp nil)

and then I cannot see my .org file (nothing is displayed in the buffer).

Specifically the steps to reproduce are:

1) run 'emacs --no-site-file --no-init-file'
2) eval "(require 'python-mode)" to load python-mode.el
3) find-file "some/python/file.py"
4) find-file "some/org/file.org"

and I get the above error.  If any of the above steps are omitted (ie, if I
load python-mode.el, but don't actually look at a python file), I don't get
the error.  I've included a traceback below.  I'm also submitting this to
as a bug to org-mode (https://bugs.launchpad.net/python-mode/+bug/1108910).
 I've never had problems with org-mode in this vein before, and this
started immediately after starting to use python-mode.el, so I suspect that
the problem lies there.  However, the whole traceback seems to be in
org-mode code, so I'm sending this to you, as well.

I'm running:
OS X 10.7.5
Emacs 24.2.1
org-mode 7.8.11
python-mode 6.1.0

Backtrace attached.

Thanks,
Greg

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Debugger entered--Lisp error: (wrong-type-argument stringp nil)
  re-search-forward(nil nil move)
  outline-end-of-heading()
  outline-show-heading()
  #[nil "\b 	X\205	\0\302 \207" [outline-level levels outline-show-heading] 2]()
  outline-map-region(#[nil "\b 	X\205	\0\302 \207" [outline-level levels outline-show-heading] 2] 1 289092)
  hide-sublevels(1)
  (and level (hide-sublevels level))
  (let ((level (save-excursion (goto-char (point-min)) (if (re-search-forward (concat "^" outline-regexp) nil t) (progn (goto-char (match-beginning 0)) (funcall outline-level)))))) (and level (hide-sublevels level)))
  org-overview()
  (cond ((and (eq last-command this-command) (eq org-cycle-global-status (quote overview))) (run-hook-with-args (quote org-pre-cycle-hook) (quote contents)) (unless ga (message "CONTENTS...")) (org-content) (unless ga (message "CONTENTS...done")) (setq org-cycle-global-status (quote contents)) (run-hook-with-args (quote org-cycle-hook) (quote contents))) ((and (eq last-command this-command) (eq org-cycle-global-status (quote contents))) (run-hook-with-args (quote org-pre-cycle-hook) (quote all)) (show-all) (unless ga (message "SHOW ALL")) (setq org-cycle-global-status (quote all)) (run-hook-with-args (quote org-cycle-hook) (quote all))) (t (run-hook-with-args (quote org-pre-cycle-hook) (quote overview)) (org-overview) (unless ga (message "OVERVIEW")) (setq org-cycle-global-status (quote overview)) (run-hook-with-args (quote org-cycle-hook) (quote overview))))
  (let ((ga (string-match "\\*fontification" (buffer-name)))) (cond ((and (eq last-command this-command) (eq org-cycle-global-status (quote overview))) (run-hook-with-args (quote org-pre-cycle-hook) (quote contents)) (unless ga (message "CONTENTS...")) (org-content) (unless ga (message "CONTENTS...done")) (setq org-cycle-global-status (quote contents)) (run-hook-with-args (quote org-cycle-hook) (quote contents))) ((and (eq last-command this-command) (eq org-cycle-global-status (quote contents))) (run-hook-with-args (quote org-pre-cycle-hook) (quote all)) (show-all) (unless ga (message "SHOW ALL")) (setq org-cycle-global-status (quote all)) (run-hook-with-args (quote org-cycle-hook) (quote all))) (t (run-hook-with-args (quote org-pre-cycle-hook) (quote overview)) (org-overview) (unless ga (message "OVERVIEW")) (setq org-cycle-global-status (quote overview)) (run-hook-with-args (quote org-cycle-hook) (quote overview)))))
  org-cycle-internal-global()
  (cond ((equal arg (quote (16))) (setq last-command (quote dummy)) (org-set-startup-visibility) (message "Startup visibility, plus VISIBILITY properties")) ((equal arg (quote (64))) (show-all) (message "Entire buffer visible, including drawers")) ((org-at-table-p (quote any)) (if (org-at-table\.el-p) (message "Use C-c ' to edit table.el tables") (if arg (org-table-edit-field t) (org-table-justify-field-maybe) (call-interactively (quote org-table-next-field))))) ((run-hook-with-args-until-success (quote org-tab-after-check-for-table-hook))) ((eq arg t) (org-cycle-internal-global)) ((and org-drawers org-drawer-regexp (save-excursion (beginning-of-line 1) (looking-at org-drawer-regexp))) (org-flag-drawer (not (get-char-property (match-end 0) (quote invisible))))) ((integerp arg) (save-excursion (org-back-to-heading) (outline-up-heading (if (< arg 0) (- arg) (- (funcall outline-level) arg))) (org-show-subtree))) ((and (featurep (quote org-inlinetask)) (org-inlinetask-at-task-p) (or (bolp) (not (eq org-cycle-emulate-tab (quote exc-hl-bol))))) (org-inlinetask-toggle-visibility)) ((org-try-cdlatex-tab)) ((and (or (and org-cycle-include-plain-lists (org-at-item-p)) (save-excursion (beginning-of-line 1) (looking-at org-outline-regexp))) (or (bolp) (not (eq org-cycle-emulate-tab (quote exc-hl-bol))))) (org-cycle-internal-local)) (buffer-read-only (org-back-to-heading)) ((run-hook-with-args-until-success (quote org-tab-after-check-for-cycling-hook))) ((org-try-structure-completion)) ((run-hook-with-args-until-success (quote org-tab-before-tab-emulation-hook))) ((and (eq org-cycle-emulate-tab (quote exc-hl-bol)) (or (not (bolp)) (not (looking-at org-outline-regexp)))) (call-interactively (global-key-binding "	"))) ((if (and (memq org-cycle-emulate-tab (quote (white whitestart))) (save-excursion (beginning-of-line 1) (looking-at "[ 	]*")) (or (and (eq org-cycle-emulate-tab (quote white)) (= (match-end 0) (point-at-eol))) (and (eq org-cycle-emulate-tab (quote whitestart)) (>= (match-end 0) pos)))) t (eq org-cycle-emulate-tab t)) (call-interactively (global-key-binding "	"))) (t (save-excursion (org-back-to-heading) (org-cycle))))
  (let* ((limit-level (or org-cycle-max-level (and (boundp (quote org-inlinetask-min-level)) org-inlinetask-min-level (1- org-inlinetask-min-level)))) (nstars (and limit-level (if org-odd-levels-only (and limit-level (1- (* limit-level 2))) limit-level))) (org-outline-regexp (if (not (eq major-mode (quote org-mode))) outline-regexp (concat "\\*" (if nstars (format "\\{1,%d\\} " nstars) "+ ")))) (bob-special (and org-cycle-global-at-bob (not arg) (bobp) (not (looking-at org-outline-regexp)))) (org-cycle-hook (if bob-special (delq (quote org-optimize-window-after-visibility-change) (copy-sequence org-cycle-hook)) org-cycle-hook)) (pos (point))) (if (or bob-special (equal arg (quote (4)))) (setq arg t)) (cond ((equal arg (quote (16))) (setq last-command (quote dummy)) (org-set-startup-visibility) (message "Startup visibility, plus VISIBILITY properties")) ((equal arg (quote (64))) (show-all) (message "Entire buffer visible, including drawers")) ((org-at-table-p (quote any)) (if (org-at-table\.el-p) (message "Use C-c ' to edit table.el tables") (if arg (org-table-edit-field t) (org-table-justify-field-maybe) (call-interactively (quote org-table-next-field))))) ((run-hook-with-args-until-success (quote org-tab-after-check-for-table-hook))) ((eq arg t) (org-cycle-internal-global)) ((and org-drawers org-drawer-regexp (save-excursion (beginning-of-line 1) (looking-at org-drawer-regexp))) (org-flag-drawer (not (get-char-property (match-end 0) (quote invisible))))) ((integerp arg) (save-excursion (org-back-to-heading) (outline-up-heading (if (< arg 0) (- arg) (- (funcall outline-level) arg))) (org-show-subtree))) ((and (featurep (quote org-inlinetask)) (org-inlinetask-at-task-p) (or (bolp) (not (eq org-cycle-emulate-tab (quote exc-hl-bol))))) (org-inlinetask-toggle-visibility)) ((org-try-cdlatex-tab)) ((and (or (and org-cycle-include-plain-lists (org-at-item-p)) (save-excursion (beginning-of-line 1) (looking-at org-outline-regexp))) (or (bolp) (not (eq org-cycle-emulate-tab (quote exc-hl-bol))))) (org-cycle-internal-local)) (buffer-read-only (org-back-to-heading)) ((run-hook-with-args-until-success (quote org-tab-after-check-for-cycling-hook))) ((org-try-structure-completion)) ((run-hook-with-args-until-success (quote org-tab-before-tab-emulation-hook))) ((and (eq org-cycle-emulate-tab (quote exc-hl-bol)) (or (not (bolp)) (not (looking-at org-outline-regexp)))) (call-interactively (global-key-binding "	"))) ((if (and (memq org-cycle-emulate-tab (quote (white whitestart))) (save-excursion (beginning-of-line 1) (looking-at "[ 	]*")) (or (and (eq org-cycle-emulate-tab ...) (= ... ...)) (and (eq org-cycle-emulate-tab ...) (>= ... pos)))) t (eq org-cycle-emulate-tab t)) (call-interactively (global-key-binding "	"))) (t (save-excursion (org-back-to-heading) (org-cycle)))))
  (if (or (run-hook-with-args-until-success (quote org-tab-first-hook)) (and org-cycle-level-after-item/entry-creation (or (org-cycle-level) (org-cycle-item-indentation)))) nil (let* ((limit-level (or org-cycle-max-level (and (boundp (quote org-inlinetask-min-level)) org-inlinetask-min-level (1- org-inlinetask-min-level)))) (nstars (and limit-level (if org-odd-levels-only (and limit-level (1- ...)) limit-level))) (org-outline-regexp (if (not (eq major-mode (quote org-mode))) outline-regexp (concat "\\*" (if nstars (format "\\{1,%d\\} " nstars) "+ ")))) (bob-special (and org-cycle-global-at-bob (not arg) (bobp) (not (looking-at org-outline-regexp)))) (org-cycle-hook (if bob-special (delq (quote org-optimize-window-after-visibility-change) (copy-sequence org-cycle-hook)) org-cycle-hook)) (pos (point))) (if (or bob-special (equal arg (quote (4)))) (setq arg t)) (cond ((equal arg (quote (16))) (setq last-command (quote dummy)) (org-set-startup-visibility) (message "Startup visibility, plus VISIBILITY properties")) ((equal arg (quote (64))) (show-all) (message "Entire buffer visible, including drawers")) ((org-at-table-p (quote any)) (if (org-at-table\.el-p) (message "Use C-c ' to edit table.el tables") (if arg (org-table-edit-field t) (org-table-justify-field-maybe) (call-interactively (quote org-table-next-field))))) ((run-hook-with-args-until-success (quote org-tab-after-check-for-table-hook))) ((eq arg t) (org-cycle-internal-global)) ((and org-drawers org-drawer-regexp (save-excursion (beginning-of-line 1) (looking-at org-drawer-regexp))) (org-flag-drawer (not (get-char-property (match-end 0) (quote invisible))))) ((integerp arg) (save-excursion (org-back-to-heading) (outline-up-heading (if (< arg 0) (- arg) (- ... arg))) (org-show-subtree))) ((and (featurep (quote org-inlinetask)) (org-inlinetask-at-task-p) (or (bolp) (not (eq org-cycle-emulate-tab ...)))) (org-inlinetask-toggle-visibility)) ((org-try-cdlatex-tab)) ((and (or (and org-cycle-include-plain-lists (org-at-item-p)) (save-excursion (beginning-of-line 1) (looking-at org-outline-regexp))) (or (bolp) (not (eq org-cycle-emulate-tab ...)))) (org-cycle-internal-local)) (buffer-read-only (org-back-to-heading)) ((run-hook-with-args-until-success (quote org-tab-after-check-for-cycling-hook))) ((org-try-structure-completion)) ((run-hook-with-args-until-success (quote org-tab-before-tab-emulation-hook))) ((and (eq org-cycle-emulate-tab (quote exc-hl-bol)) (or (not (bolp)) (not (looking-at org-outline-regexp)))) (call-interactively (global-key-binding "	"))) ((if (and (memq org-cycle-emulate-tab (quote ...)) (save-excursion (beginning-of-line 1) (looking-at "[ 	]*")) (or (and ... ...) (and ... ...))) t (eq org-cycle-emulate-tab t)) (call-interactively (global-key-binding "	"))) (t (save-excursion (org-back-to-heading) (org-cycle))))))
  (unless (or (run-hook-with-args-until-success (quote org-tab-first-hook)) (and org-cycle-level-after-item/entry-creation (or (org-cycle-level) (org-cycle-item-indentation)))) (let* ((limit-level (or org-cycle-max-level (and (boundp (quote org-inlinetask-min-level)) org-inlinetask-min-level (1- org-inlinetask-min-level)))) (nstars (and limit-level (if org-odd-levels-only (and limit-level (1- ...)) limit-level))) (org-outline-regexp (if (not (eq major-mode (quote org-mode))) outline-regexp (concat "\\*" (if nstars (format "\\{1,%d\\} " nstars) "+ ")))) (bob-special (and org-cycle-global-at-bob (not arg) (bobp) (not (looking-at org-outline-regexp)))) (org-cycle-hook (if bob-special (delq (quote org-optimize-window-after-visibility-change) (copy-sequence org-cycle-hook)) org-cycle-hook)) (pos (point))) (if (or bob-special (equal arg (quote (4)))) (setq arg t)) (cond ((equal arg (quote (16))) (setq last-command (quote dummy)) (org-set-startup-visibility) (message "Startup visibility, plus VISIBILITY properties")) ((equal arg (quote (64))) (show-all) (message "Entire buffer visible, including drawers")) ((org-at-table-p (quote any)) (if (org-at-table\.el-p) (message "Use C-c ' to edit table.el tables") (if arg (org-table-edit-field t) (org-table-justify-field-maybe) (call-interactively (quote org-table-next-field))))) ((run-hook-with-args-until-success (quote org-tab-after-check-for-table-hook))) ((eq arg t) (org-cycle-internal-global)) ((and org-drawers org-drawer-regexp (save-excursion (beginning-of-line 1) (looking-at org-drawer-regexp))) (org-flag-drawer (not (get-char-property (match-end 0) (quote invisible))))) ((integerp arg) (save-excursion (org-back-to-heading) (outline-up-heading (if (< arg 0) (- arg) (- ... arg))) (org-show-subtree))) ((and (featurep (quote org-inlinetask)) (org-inlinetask-at-task-p) (or (bolp) (not (eq org-cycle-emulate-tab ...)))) (org-inlinetask-toggle-visibility)) ((org-try-cdlatex-tab)) ((and (or (and org-cycle-include-plain-lists (org-at-item-p)) (save-excursion (beginning-of-line 1) (looking-at org-outline-regexp))) (or (bolp) (not (eq org-cycle-emulate-tab ...)))) (org-cycle-internal-local)) (buffer-read-only (org-back-to-heading)) ((run-hook-with-args-until-success (quote org-tab-after-check-for-cycling-hook))) ((org-try-structure-completion)) ((run-hook-with-args-until-success (quote org-tab-before-tab-emulation-hook))) ((and (eq org-cycle-emulate-tab (quote exc-hl-bol)) (or (not (bolp)) (not (looking-at org-outline-regexp)))) (call-interactively (global-key-binding "	"))) ((if (and (memq org-cycle-emulate-tab (quote ...)) (save-excursion (beginning-of-line 1) (looking-at "[ 	]*")) (or (and ... ...) (and ... ...))) t (eq org-cycle-emulate-tab t)) (call-interactively (global-key-binding "	"))) (t (save-excursion (org-back-to-heading) (org-cycle))))))
  org-cycle((4))
  (cond ((eq org-startup-folded t) (org-cycle (quote (4)))) ((eq org-startup-folded (quote content)) (let ((this-command (quote org-cycle)) (last-command (quote org-cycle))) (org-cycle (quote (4))) (org-cycle (quote (4))))))
  org-set-startup-visibility()
  (if org-inhibit-startup-visibility-stuff nil (org-set-startup-visibility))
  (unless org-inhibit-startup-visibility-stuff (org-set-startup-visibility))
  (if org-inhibit-startup nil (when org-startup-align-all-tables (let ((bmp (buffer-modified-p))) (org-table-map-tables (quote org-table-align) (quote quietly)) (set-buffer-modified-p bmp))) (when org-startup-with-inline-images (org-display-inline-images)) (when org-startup-indented (require (quote org-indent)) (org-indent-mode 1)) (unless org-inhibit-startup-visibility-stuff (org-set-startup-visibility)))
  (unless org-inhibit-startup (when org-startup-align-all-tables (let ((bmp (buffer-modified-p))) (org-table-map-tables (quote org-table-align) (quote quietly)) (set-buffer-modified-p bmp))) (when org-startup-with-inline-images (org-display-inline-images)) (when org-startup-indented (require (quote org-indent)) (org-indent-mode 1)) (unless org-inhibit-startup-visibility-stuff (org-set-startup-visibility)))
  (let ((delay-mode-hooks t)) (outline-mode) (setq major-mode (quote org-mode)) (setq mode-name "Org") (progn (if (get (quote outline-mode) (quote mode-class)) (put (quote org-mode) (quote mode-class) (get (quote outline-mode) (quote mode-class)))) (unless (keymap-parent org-mode-map) (set-keymap-parent org-mode-map (current-local-map))) (let ((parent (char-table-parent org-mode-syntax-table))) (unless (and parent (not (eq parent (standard-syntax-table)))) (set-char-table-parent org-mode-syntax-table (syntax-table)))) (unless (or (abbrev-table-get org-mode-abbrev-table :parents) (eq org-mode-abbrev-table local-abbrev-table)) (abbrev-table-put org-mode-abbrev-table :parents (list local-abbrev-table)))) (use-local-map org-mode-map) (set-syntax-table org-mode-syntax-table) (setq local-abbrev-table org-mode-abbrev-table) (if (featurep (quote xemacs)) (when (boundp (quote outline-mode-menu-heading)) (easy-menu-remove outline-mode-menu-heading) (easy-menu-remove outline-mode-menu-show) (easy-menu-remove outline-mode-menu-hide)) (define-key org-mode-map [menu-bar headings] (quote undefined)) (define-key org-mode-map [menu-bar hide] (quote undefined)) (define-key org-mode-map [menu-bar show] (quote undefined))) (org-load-modules-maybe) (easy-menu-add org-org-menu) (easy-menu-add org-tbl-menu) (org-install-agenda-files-menu) (if org-descriptive-links (add-to-invisibility-spec (quote (org-link)))) (add-to-invisibility-spec (quote (org-cwidth))) (add-to-invisibility-spec (quote (org-hide-block . t))) (when (featurep (quote xemacs)) (org-set-local (quote line-move-ignore-invisible) t)) (org-set-local (quote outline-regexp) org-outline-regexp) (org-set-local (quote outline-level) (quote org-outline-level)) (setq bidi-paragraph-direction (quote left-to-right)) (when (and org-ellipsis (fboundp (quote set-display-table-slot)) (boundp (quote buffer-display-table)) (fboundp (quote make-glyph-code))) (unless org-display-table (setq org-display-table (make-display-table))) (set-display-table-slot org-display-table 4 (vconcat (mapcar (lambda (c) (make-glyph-code c (and ... org-ellipsis))) (if (stringp org-ellipsis) org-ellipsis "...")))) (setq buffer-display-table org-display-table)) (org-set-regexps-and-options) (when (and org-tag-faces (not org-tags-special-faces-re)) (org-set-tag-faces (quote org-tag-faces) org-tag-faces)) (org-set-local (quote calc-embedded-open-mode) "# ") (modify-syntax-entry 64 "w") (if org-startup-truncated (setq truncate-lines t)) (org-set-local (quote font-lock-unfontify-region-function) (quote org-unfontify-region)) (org-set-local (quote org-table-may-need-update) t) (org-add-hook (quote before-change-functions) (quote org-before-change-function) nil (quote local)) (org-add-hook (quote kill-buffer-hook) (quote org-check-running-clock) nil (quote local)) (org-set-autofill-regexps) (setq indent-line-function (quote org-indent-line-function)) (org-update-radio-target-regexp) (org-set-local (quote beginning-of-defun-function) (quote org-beginning-of-defun)) (org-set-local (quote end-of-defun-function) (quote org-end-of-defun)) (org-set-local (quote next-error-function) (quote org-occur-next-match)) (if org-enforce-todo-dependencies (add-hook (quote org-blocker-hook) (quote org-block-todo-from-children-or-siblings-or-parent)) (remove-hook (quote org-blocker-hook) (quote org-block-todo-from-children-or-siblings-or-parent))) (if org-enforce-todo-checkbox-dependencies (add-hook (quote org-blocker-hook) (quote org-block-todo-from-checkboxes)) (remove-hook (quote org-blocker-hook) (quote org-block-todo-from-checkboxes))) (org-set-local (quote comment-start) "#") (org-set-local (quote comment-padding) " ") (org-set-local (quote align-mode-rules-list) (quote ((org-in-buffer-settings (regexp . "^#\\+[A-Z_]+:\\(\\s-*\\)\\S-+") (modes quote (org-mode)))))) (org-set-local (quote imenu-create-index-function) (quote org-imenu-get-tree)) (if (or (featurep (quote xemacs)) (not (boundp (quote outline-isearch-open-invisible-function)))) (org-add-hook (quote isearch-mode-end-hook) (quote org-isearch-end) (quote append) (quote local)) (org-set-local (quote outline-isearch-open-invisible-function) (lambda (&rest ignore) (org-show-context (quote isearch))))) (and org-startup-with-beamer-mode (org-beamer-mode 1)) (set (make-local-variable (quote pcomplete-command-completion-function)) (quote org-pcomplete-initial)) (set (make-local-variable (quote pcomplete-command-name-function)) (quote org-command-at-point)) (set (make-local-variable (quote pcomplete-default-completion-function)) (quote ignore)) (set (make-local-variable (quote pcomplete-parse-arguments-function)) (quote org-parse-arguments)) (set (make-local-variable (quote pcomplete-termination-string)) "") ...)
  (progn (make-local-variable (quote delay-mode-hooks)) (let ((delay-mode-hooks t)) (outline-mode) (setq major-mode (quote org-mode)) (setq mode-name "Org") (progn (if (get (quote outline-mode) (quote mode-class)) (put (quote org-mode) (quote mode-class) (get (quote outline-mode) (quote mode-class)))) (unless (keymap-parent org-mode-map) (set-keymap-parent org-mode-map (current-local-map))) (let ((parent (char-table-parent org-mode-syntax-table))) (unless (and parent (not (eq parent ...))) (set-char-table-parent org-mode-syntax-table (syntax-table)))) (unless (or (abbrev-table-get org-mode-abbrev-table :parents) (eq org-mode-abbrev-table local-abbrev-table)) (abbrev-table-put org-mode-abbrev-table :parents (list local-abbrev-table)))) (use-local-map org-mode-map) (set-syntax-table org-mode-syntax-table) (setq local-abbrev-table org-mode-abbrev-table) (if (featurep (quote xemacs)) (when (boundp (quote outline-mode-menu-heading)) (easy-menu-remove outline-mode-menu-heading) (easy-menu-remove outline-mode-menu-show) (easy-menu-remove outline-mode-menu-hide)) (define-key org-mode-map [menu-bar headings] (quote undefined)) (define-key org-mode-map [menu-bar hide] (quote undefined)) (define-key org-mode-map [menu-bar show] (quote undefined))) (org-load-modules-maybe) (easy-menu-add org-org-menu) (easy-menu-add org-tbl-menu) (org-install-agenda-files-menu) (if org-descriptive-links (add-to-invisibility-spec (quote (org-link)))) (add-to-invisibility-spec (quote (org-cwidth))) (add-to-invisibility-spec (quote (org-hide-block . t))) (when (featurep (quote xemacs)) (org-set-local (quote line-move-ignore-invisible) t)) (org-set-local (quote outline-regexp) org-outline-regexp) (org-set-local (quote outline-level) (quote org-outline-level)) (setq bidi-paragraph-direction (quote left-to-right)) (when (and org-ellipsis (fboundp (quote set-display-table-slot)) (boundp (quote buffer-display-table)) (fboundp (quote make-glyph-code))) (unless org-display-table (setq org-display-table (make-display-table))) (set-display-table-slot org-display-table 4 (vconcat (mapcar (lambda (c) (make-glyph-code c ...)) (if (stringp org-ellipsis) org-ellipsis "...")))) (setq buffer-display-table org-display-table)) (org-set-regexps-and-options) (when (and org-tag-faces (not org-tags-special-faces-re)) (org-set-tag-faces (quote org-tag-faces) org-tag-faces)) (org-set-local (quote calc-embedded-open-mode) "# ") (modify-syntax-entry 64 "w") (if org-startup-truncated (setq truncate-lines t)) (org-set-local (quote font-lock-unfontify-region-function) (quote org-unfontify-region)) (org-set-local (quote org-table-may-need-update) t) (org-add-hook (quote before-change-functions) (quote org-before-change-function) nil (quote local)) (org-add-hook (quote kill-buffer-hook) (quote org-check-running-clock) nil (quote local)) (org-set-autofill-regexps) (setq indent-line-function (quote org-indent-line-function)) (org-update-radio-target-regexp) (org-set-local (quote beginning-of-defun-function) (quote org-beginning-of-defun)) (org-set-local (quote end-of-defun-function) (quote org-end-of-defun)) (org-set-local (quote next-error-function) (quote org-occur-next-match)) (if org-enforce-todo-dependencies (add-hook (quote org-blocker-hook) (quote org-block-todo-from-children-or-siblings-or-parent)) (remove-hook (quote org-blocker-hook) (quote org-block-todo-from-children-or-siblings-or-parent))) (if org-enforce-todo-checkbox-dependencies (add-hook (quote org-blocker-hook) (quote org-block-todo-from-checkboxes)) (remove-hook (quote org-blocker-hook) (quote org-block-todo-from-checkboxes))) (org-set-local (quote comment-start) "#") (org-set-local (quote comment-padding) " ") (org-set-local (quote align-mode-rules-list) (quote ((org-in-buffer-settings (regexp . "^#\\+[A-Z_]+:\\(\\s-*\\)\\S-+") (modes quote (org-mode)))))) (org-set-local (quote imenu-create-index-function) (quote org-imenu-get-tree)) (if (or (featurep (quote xemacs)) (not (boundp (quote outline-isearch-open-invisible-function)))) (org-add-hook (quote isearch-mode-end-hook) (quote org-isearch-end) (quote append) (quote local)) (org-set-local (quote outline-isearch-open-invisible-function) (lambda (&rest ignore) (org-show-context (quote isearch))))) (and org-startup-with-beamer-mode (org-beamer-mode 1)) (set (make-local-variable (quote pcomplete-command-completion-function)) (quote org-pcomplete-initial)) (set (make-local-variable (quote pcomplete-command-name-function)) (quote org-command-at-point)) (set (make-local-variable (quote pcomplete-default-completion-function)) (quote ignore)) (set (make-local-variable (quote pcomplete-parse-arguments-function)) (quote org-parse-arguments)) (set (make-local-variable (quote pcomplete-termination-string)) "") ...))
  (delay-mode-hooks (outline-mode) (setq major-mode (quote org-mode)) (setq mode-name "Org") (progn (if (get (quote outline-mode) (quote mode-class)) (put (quote org-mode) (quote mode-class) (get (quote outline-mode) (quote mode-class)))) (unless (keymap-parent org-mode-map) (set-keymap-parent org-mode-map (current-local-map))) (let ((parent (char-table-parent org-mode-syntax-table))) (unless (and parent (not (eq parent (standard-syntax-table)))) (set-char-table-parent org-mode-syntax-table (syntax-table)))) (unless (or (abbrev-table-get org-mode-abbrev-table :parents) (eq org-mode-abbrev-table local-abbrev-table)) (abbrev-table-put org-mode-abbrev-table :parents (list local-abbrev-table)))) (use-local-map org-mode-map) (set-syntax-table org-mode-syntax-table) (setq local-abbrev-table org-mode-abbrev-table) (if (featurep (quote xemacs)) (when (boundp (quote outline-mode-menu-heading)) (easy-menu-remove outline-mode-menu-heading) (easy-menu-remove outline-mode-menu-show) (easy-menu-remove outline-mode-menu-hide)) (define-key org-mode-map [menu-bar headings] (quote undefined)) (define-key org-mode-map [menu-bar hide] (quote undefined)) (define-key org-mode-map [menu-bar show] (quote undefined))) (org-load-modules-maybe) (easy-menu-add org-org-menu) (easy-menu-add org-tbl-menu) (org-install-agenda-files-menu) (if org-descriptive-links (add-to-invisibility-spec (quote (org-link)))) (add-to-invisibility-spec (quote (org-cwidth))) (add-to-invisibility-spec (quote (org-hide-block . t))) (when (featurep (quote xemacs)) (org-set-local (quote line-move-ignore-invisible) t)) (org-set-local (quote outline-regexp) org-outline-regexp) (org-set-local (quote outline-level) (quote org-outline-level)) (setq bidi-paragraph-direction (quote left-to-right)) (when (and org-ellipsis (fboundp (quote set-display-table-slot)) (boundp (quote buffer-display-table)) (fboundp (quote make-glyph-code))) (unless org-display-table (setq org-display-table (make-display-table))) (set-display-table-slot org-display-table 4 (vconcat (mapcar (lambda (c) (make-glyph-code c (and ... org-ellipsis))) (if (stringp org-ellipsis) org-ellipsis "...")))) (setq buffer-display-table org-display-table)) (org-set-regexps-and-options) (when (and org-tag-faces (not org-tags-special-faces-re)) (org-set-tag-faces (quote org-tag-faces) org-tag-faces)) (org-set-local (quote calc-embedded-open-mode) "# ") (modify-syntax-entry 64 "w") (if org-startup-truncated (setq truncate-lines t)) (org-set-local (quote font-lock-unfontify-region-function) (quote org-unfontify-region)) (org-set-local (quote org-table-may-need-update) t) (org-add-hook (quote before-change-functions) (quote org-before-change-function) nil (quote local)) (org-add-hook (quote kill-buffer-hook) (quote org-check-running-clock) nil (quote local)) (org-set-autofill-regexps) (setq indent-line-function (quote org-indent-line-function)) (org-update-radio-target-regexp) (org-set-local (quote beginning-of-defun-function) (quote org-beginning-of-defun)) (org-set-local (quote end-of-defun-function) (quote org-end-of-defun)) (org-set-local (quote next-error-function) (quote org-occur-next-match)) (if org-enforce-todo-dependencies (add-hook (quote org-blocker-hook) (quote org-block-todo-from-children-or-siblings-or-parent)) (remove-hook (quote org-blocker-hook) (quote org-block-todo-from-children-or-siblings-or-parent))) (if org-enforce-todo-checkbox-dependencies (add-hook (quote org-blocker-hook) (quote org-block-todo-from-checkboxes)) (remove-hook (quote org-blocker-hook) (quote org-block-todo-from-checkboxes))) (org-set-local (quote comment-start) "#") (org-set-local (quote comment-padding) " ") (org-set-local (quote align-mode-rules-list) (quote ((org-in-buffer-settings (regexp . "^#\\+[A-Z_]+:\\(\\s-*\\)\\S-+") (modes quote (org-mode)))))) (org-set-local (quote imenu-create-index-function) (quote org-imenu-get-tree)) (if (or (featurep (quote xemacs)) (not (boundp (quote outline-isearch-open-invisible-function)))) (org-add-hook (quote isearch-mode-end-hook) (quote org-isearch-end) (quote append) (quote local)) (org-set-local (quote outline-isearch-open-invisible-function) (lambda (&rest ignore) (org-show-context (quote isearch))))) (and org-startup-with-beamer-mode (org-beamer-mode 1)) (set (make-local-variable (quote pcomplete-command-completion-function)) (quote org-pcomplete-initial)) (set (make-local-variable (quote pcomplete-command-name-function)) (quote org-command-at-point)) (set (make-local-variable (quote pcomplete-default-completion-function)) (quote ignore)) (set (make-local-variable (quote pcomplete-parse-arguments-function)) (quote org-parse-arguments)) (set (make-local-variable (quote pcomplete-termination-string)) "") (when (>= emacs-major-version 23) (set (make-local-variable (quote buffer-face-mode-face)) (quote org-default))) ...)
  org-mode()
  set-auto-mode-0(org-mode nil)
  set-auto-mode()
  normal-mode(t)
  after-find-file(nil t)
  find-file-noselect-1(#<buffer work.org> "~/Dropbox/Brain/work.org" nil nil "~/Dropbox/Brain/work.org" (41138354 234881026))
  find-file-noselect("~/Dropbox/Brain/work.org" nil nil t)
  find-file("~/Dropbox/Brain/work.org" t)
  call-interactively(find-file nil nil)

Re: Bug report: interaction with python-mode.el

[Greg Novak]

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Apologies, this seems to have been fixed in the latest development sources
for python-mode.el.

Please disregard.

Thanks,
Greg



On Tue, Jan 29, 2013 at 3:12 PM, Greg Novak <greg.novak@gmail.com> wrote:

> If I load a python source file using python-mode.el, and then subsequently
> look at a .org file using org-mode.el, I get an error:
>
> Lisp error: (wrong-type-argument stringp nil)
>
> and then I cannot see my .org file (nothing is displayed in the buffer).
>
> Specifically the steps to reproduce are:
>
> 1) run 'emacs --no-site-file --no-init-file'
> 2) eval "(require 'python-mode)" to load python-mode.el
> 3) find-file "some/python/file.py"
> 4) find-file "some/org/file.org"
>
> and I get the above error.  If any of the above steps are omitted (ie, if
> I load python-mode.el, but don't actually look at a python file), I don't
> get the error.  I've included a traceback below.  I'm also submitting this
> to as a bug to org-mode (
> https://bugs.launchpad.net/python-mode/+bug/1108910).  I've never had
> problems with org-mode in this vein before, and this started immediately
> after starting to use python-mode.el, so I suspect that the problem lies
> there.  However, the whole traceback seems to be in org-mode code, so I'm
> sending this to you, as well.
>
> I'm running:
> OS X 10.7.5
> Emacs 24.2.1
> org-mode 7.8.11
> python-mode 6.1.0
>
> Backtrace attached.
>
> Thanks,
> Greg
>
>

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