Hi Totti,
just a few words regarding preserving links.
About /finding/ links, I just added this simple function, which is
quite handy I guess:
(defun org-occur-link-in-agenda-files ()
"Create a link and search for it in the agendas.
The link is not stored in `org-stored-links', it is just created
for the search purpose."
(interactive)
(let ((link (condition-case nil
(org-store-link nil)
(error "Unable to create a link from here"))))
(org-occur-in-agenda-files (regexp-quote link))))
For example, you are in your mailbox, you have the nasty feeling that
this old mail you are re-reading has been stored in your agenda, this
function helps you find it.
About preserving links -- yes, this is a problem. I tried to implement
a registry long time ago: this is org-registry.el in the contrib/ dir.
Please have a look. I don't maintain it anymore, but it might be still
usable. If people are interested in using it more, I will look at it
again.
Another simple and useful approach: I often break links by moving a file
from dired. A solution could be to advise dired-do-rename so that it
checks whether the file(s) at point is/are link(s) in an org file. If
so, the function could just send a warning, and maybe update the links.
That would be a beginning. Of course, this doesn't fix the problem
when moving files from the shell...
As for linking to specific versions of a file under versioning, I have
a few ideas I'm working on, I let you know later.
Thanks!
--
Bastien
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