Re: [bug] canonical context not work in 8.3

[Samuel Wales <samologist@gmail.com>]

thank you.  this version is significantly faster.  qualitatively
improved.

it has a possibly minor bug.

evalled as source:

- command-execute                                                8072  98%
 - call-interactively                                            8072  98%
  - org-agenda-switch-to                                         7595  92%
   - org-show-context                                            7595  92%
    - org-show-set-visibility                                    7595  92%
     - show-children                                             7039  86%
      - save-excursion                                           7015  85%
       - let*                                                    7015  85%
        - while                                                  4832  59%
         - outline-flag-region                                    692   8%
            remove-overlays                                        12   0%
        - save-excursion                                         2179  26%
           org-end-of-subtree                                    2179  26%
        - funcall                                                   4   0%
           org-outline-level                                        4   0%

however, if the next heading has fewer stars, it errors:

Debugger entered--Lisp error: (invalid-regexp "Invalid content of \\{\\}")
  re-search-forward("^\\*\\{27,13\\} +" 2473493 t)
  (while (re-search-forward re end t) (outline-flag-region
(line-end-position 0) (line-end-position) nil))
  (let* ((current-level (funcall outline-level)) (level (if level (+
(prefix-numeric-value level) current-level) (save-excursion
(outline-next-heading) (if (eobp) current-level (funcall
outline-level))))) (re (format "^\\*\\{%d,%d\\} +" current-level
level)) (end (save-excursion (org-end-of-subtree t t)))) (while
(re-search-forward re end t) (outline-flag-region (line-end-position
0) (line-end-position) nil)))
  (save-excursion (org-back-to-heading t) (let* ((current-level
(funcall outline-level)) (level (if level (+ (prefix-numeric-value
level) current-level) (save-excursion (outline-next-heading) (if
(eobp) current-level (funcall outline-level))))) (re (format
"^\\*\\{%d,%d\\} +" current-level level)) (end (save-excursion
(org-end-of-subtree t t)))) (while (re-search-forward re end t)
(outline-flag-region (line-end-position 0) (line-end-position) nil))))
  show-children()
  org-show-set-visibility(canonical)
  org-show-context(agenda)
  org-agenda-switch-to()
  call-interactively(org-agenda-switch-to nil nil)
  command-execute(org-agenda-switch-to)


   (defun show-children (&optional level)
    (save-excursion
      (org-back-to-heading t)
      (let* ((current-level (funcall outline-level))
             (level (if level (+ (prefix-numeric-value level) current-level)
                      (save-excursion
                        (outline-next-heading)
                        (if (eobp) current-level (funcall outline-level)))))
             (re (format "^\\*\\{%d,%d\\} +" current-level level))
             (end (save-excursion (org-end-of-subtree t t))))
        (while (re-search-forward re end t)
          (outline-flag-region (line-end-position 0)
(line-end-position) nil)))))


On 8/8/15, Nicolas Goaziou <mail@nicolasgoaziou.fr> wrote:
> This one may improve the situation: