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Re: [O] Link abbreviations, org-files with searches

From: Gustav Wikström
Subject: Re: [O] Link abbreviations, org-files with searches
Date: Mon, 31 Oct 2011 22:00:56 +0100

I did some digging and ended at the function org-link-expand-abbrev.

According to the org-documentation, abbreviations should be written with:


however the regular expression doing the matching in the function also
allows the following:


The greed of the regular expression makes it a requirement to use four
colons when using abbreviation and search. Also, all types of
searching works, not only the headline-search as I stated earlier.

Just wanted to clear this out

2011/10/31 Gustav Wikström <address@hidden>:
> 2011/10/31 Suvayu Ali <address@hidden>:
>> Hi Gustav,
>> On Mon, 31 Oct 2011 14:55:27 +0100
>> Gustav Wikström <address@hidden> wrote:
>>> This works when adding "::" to the end of the link. But with this
>>> setting I cannot use the link as a simple file-link, eg. the following
>>> does not work:
>>> #+LINK: foo     file:/long/path/to/file/foo.org::
>>> [[foo][Description]]
>>> When trying to follow this link I get an error saying that there is
>>> "no such file: /long/path/to/file/foo.org::"
>> Of course that won't work! The resulting link is not a valid link
>> syntax. Since you don't specify a tag, the final link looks like this:
>> [[file:/path/to/file.org::]]
>> which is incorrect.
>> From a test the following worked nicely.
>> #+LINK: odir2 file:~/org/coding.org
>> [[odir2][link to file]]
>> So in conclusion, if you want to use both bare file/directory links as
>> well as headline/search links, you would have to define two separate
>> link shortcuts.
> Yes, I'm aware of this. And this is the reason of my initial question.
> Should it really be necessary to specify two separate links to the
> same file when I want to both link to the file directly and link it
> with a search?
> Thus, this works:
>   #+LINK: foo     file:/long/path/to/file/foo.org
>   [[foo::::*<heading search>]]
> but this does not:
>  #+LINK: foo     file:/long/path/to/file/foo.org
>  [[foo::::<search>]]
> I find the use of four ":" a bit strange, but I guess this is only a
> limit of my understanding a.t.m. In my view the first colon should be
> stating the start of the "tag" and the rest of the string the tag
> itself. This leaves three colons for the tag which in my view is one
> to many. But it seems to work. And this is what I'm scratching my head
> about.
> I also suspect a bug hidden somewhere, since headlines can be searched
> for but not text inside the document.
> Anyone got any input on this?
> /Gustav

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