Re: [Orgmode] Bug: Infinite loop when org-entry-put is called in buffer not in org-mode [6.33trans]

[Carsten Dominik]

On Nov 26, 2009, at 11:04 PM, David Maus wrote:

> Hi Carsten,
>
> At Thu, 26 Nov 2009 08:42:09 +0100,
> Carsten Dominik wrote:
> > Hi David,
> >
> > you cannot reasonably expect that org-mode functions should work
> > in other modes.  And you cannot expect these functions to check
> > the mode all the time.
> >
> > I don't know what you are up to here.  But maybe the function
> > `org-run-as-in-org-mode' offers a way out?
>
> I stumpled on this infinite loop by accident and simply avoid it by
> make my function refuse to work on a buffer not in org-mode.

That is exactly the right course of action.

> However, I decided it worth a bugreport as I didn't know the reason
> for this and assumed org-mode may enter this loop by itself if the
> right conditions are met.

No, this variable (see below) is always set in Org buffers.

> After debugging the loop it turns out that the loop occurs in
> `org-insert-property-drawer' because `org-keyword-time-regexp' is
> buffer local only (calculated when entering org-mode) and defaults to
> nil, so when `org-insert-property-drawer' tries to skip SCHEDULED,
> DEADLINE etc. lines it tries this by while-re-search-forwarding[1]
> with the regexp "^[ \t]*" -- that is what throws Emacs in this loop
> (for whatever reason -- I hope I am going to find out).
>
> So the question is: Is it in anyway possible that
> `org-keyword-time-regexp' is (re-set to) nil in regular orgmode
> operation?

I could do that, but just the same I would have to do that for
many different other variables which only work inside org-mode.

- Carsten

> As far as I could see: No, so it should not effect the normal
> operations of org-mode.
>
> Regards,
>
>  -- David
>
> [1] i.e.: (while (re-search-forward "^[ \t]*")) causes Emacs to
> loop. That means "not beeing in orgmode" not even a sine qua non for
> this loop.
>
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- Carsten