[O] [PATCH] ox-bibtex.el: Extend to use bibtex files not in current, working directory

[Konrad Herbst]

Hello everybody,

I would like to provide a patch for the ox-bibtex.el module which can 
now handle bibtexfile destinations of the form:

#+BIBLIOGRAPHY: /home/user/Literature/foo.bib plain option:-d

but still accepts bibfiles in the working directory.

I really like this module as it makes on-the-fly literature referencing 
so easy, but I really missed the "feature" to use  include global 
bib-files for example. As I recognized other users had the same feeling, 
as these threads on the list show:
 - problem of path in using ox-bibtex, Joseph Vidal-Rosset, 2014-01-05 
08:35:58 GMT
 - [O] ox-bibtex: How to use Bib file in a different directory?, 
Richard Stanton, 2014-02-17 11:09:39 -8:00.

As motivation I think this solution is more convenient than creating 
symbolic links or changing environment variables/config-files.

I used functions like 'file-name-base`, so in principle this 
implementation should be OS-independent but I did not test this, maybe 
this should be tried for MS-OS paths for example.
Hope this is of any use.

Best,
Konrad Herbst

0001-ox-bibtex.el-Extend-to-use-bibtex-files-not-in-curre.patch
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