Carsten Dominik <[EMAIL PROTECTED]> writes:
Hi Carsten,
> "?..." is not a correct regular expression in Emacs. You are using
> wildcard synax, it seems.
No, I used (concat comment-starter "?...") to make the comment starter
optional. But that's not fully correct. In elisp the comment starter
may be there multiple times. So now I go with this:
--8<---------------cut here---------------start------------->8---
(defun org-context-p (&rest contexts)
(let* ((pos (point))
(comment-starter (replace-regexp-in-string "[ ]+$" "" (or
comment-start "")))
(regexp-start (if (string= "" comment-start)
""
(concat comment-start "*"))))
(goto-char (point-at-bol))
(let ((ret (prog1
(or (and (memq 'table contexts)
(looking-at (concat regexp-start "[ \t]*|")))
(and (memq 'headline contexts)
(looking-at (concat regexp-start "\\*+")))
(and (memq 'item contexts)
(looking-at (concat regexp-start
"[ \t]*\\([-+*] \\|[0-9]+[.)]
\\)"))))
(goto-char pos))))
(message "org-context-p with regexp-start = %s ==> %s" regexp-start
ret))))
--8<---------------cut here---------------end--------------->8---
Here's a short elisp test file:
--8<---------------cut here---------------start------------->8---
;;* First Headline ; org-context-p ==> t, no visible action
; org-context-p ==> nil, no visible action
(defun foo ()
nil) ; org-context-p ==> nil, TAB deletes indentation!
; org-context-p ==> nil, TAB indents to nil's column
;;** Level2 ; org-context-p ==> t, TAB indents heading to nil's column
(+ 1 2 3)
;;** Another Level2
(- 1 1)
;;*** Three
;;* Second part
(progn
(list 1 2 3) ; org-context-p ==> nil, TAB deletes indentation!
(* 1 2 3)) ; org-context-p ==> nil, TAB deletes indentation!
;;* Third part ; org-context-p ==> t, TAB indents heading to
; column of (* 1 2 3)
--8<---------------cut here---------------end--------------->8---
Behind the lines I've written what my redefinition of `org-context-p'
returns and what TAB does (*without* these comments). As you can see
`org-context-p' seems to work correctly, but TAB doesn't cycle through
the visibility states but instead breakes indentation.
And if I invoke `M-x org-cycle' on a headline nothing happens. As it
seems, `org-context-p' is not the only function which has to be adapted
to do the right thing if headlines are inside comments.
> If you want to allow extra characters # and ; at the begin of the line, try
> something like
>
> "[;#]*..."
Yes, see the code above.
> I am not sure if this will work, in particular if it will make
> structure editing work.
Sadly, it's not that easy.
> Give it a try and send us a report, ok?
Done!
Bye,
Tassilo
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