Aloha Christian,
I explored the possibility of bisecting but found two things: 1) with
my setup I can't run versions of Org-mode earlier than approximately
7.01h because of requirements for ob.el, and 2) the current behavior
has been around at least since last summer--Org-mode version 7.01trans
(release_7.01h.209.g2c33b) yields the same results as the current git
master.
All the best,
Tom
On Dec 28, 2010, at 12:29 AM, Christian Moe wrote:
(sorry -- hit "send" too early by mistake in the previous mail)
Hi,
In pre-processing for export with org-export-normalize-links, links
that lack a description part are given one, which consists of the
full raw path of the link. In other words, link descriptions are
never nil. This seems to conflict with the expectations of org-
bbdb.el and custom links based on that example.
The link [[bbdb:Carsten Dominik]], for instance, is exported to html
and latex as follows:
<i>bbdb:Carsten Dominik</i>
\textit{bbdb:Carsten Dominik}.
Org-bbdb.el is clearly prepared to be passed a desc that is nil, in
which case it would use path instead:
(defun org-bbdb-export (path desc format)
"Create the export version of a BBDB link specified by PATH or DESC.
If exporting to either HTML or LaTeX FORMAT the link will be
italicized, in all other cases it is left unchanged."
(cond
((eq format 'html) (format "<i>%s</i>" (or desc path)))
((eq format 'latex) (format "\\textit{%s}" (or desc path)))
(t (or desc path))))
However, desc is never nil, because a missing description part is
replaced in export pre-processing by a string consisting of the link
type, a colon, and the path. This takes place in the function org-
export-normalize-links.
This makes for unexpected behavior in custom links that some of us
have defined. E.g., Thomas S. Dye's `cite' links (the thread `org-
add-link-type'):
(org-add-link-type
"citet" 'ebib
(lambda (path desc format)
(cond
((eq format 'latex)
(if (and desc)
(format "\\citet[%s]{%s}" desc path)
(format "\\citet{%s}" path))))))
[[citet:green84:_settl_patter_studies_ocean]]
yields this:
\citet[citet:green84:_settl\_patter\_studies\_ocean]
{green84:_settl_patter_studies_ocean}
Some of my links, more closely modeled on org-bbdb.el, have similar
problems.
I haven't done the bisection thing, but I suspect this is a fairly
recent change.
I think I've tracked down the problem, but I don't necessarily
understand what org-export-normalize-links is supposed to do or what
other behaviors depend on this, so I'm not going to submit a patch.
If this is now the intended behavior, it will be no problem to
rewrite the custom link export definitions to take account of it.
Yours,
Christian
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