On Mon, Sep 29, 2014 at 10:18 PM, Rasmus <rasmus@gmx.us> wrote:
<----- snip ---->

>
> It may be documented in chapter 4, entitled Hyperlinks.
>
>    http://orgmode.org/org.html#Hyperlinks
>
> I don't know if this chapter describes export behavior.
>

It does not.


>
> You can skim through org-latex-link if you care.  For headlines this
> is the relevant part
>
> ;; LINK points to a headline.  If headlines are numbered
> ;; and the link has no description, display headline's
> ;; number.  Otherwise, display description or headline's
> ;; title.
> (headline
>  (let* ((custom-label
>          (and (plist-get info :latex-custom-id-labels)
>               (org-element-property :CUSTOM_ID destination)))
>         (label
>          (or
>           custom-label
>           (format "sec-%s"
>                   (mapconcat
>                    #'number-to-string
>                    (org-export-get-headline-number destination info)
>                    "-")))))
>    (if (and (not desc)
>             (org-export-numbered-headline-p destination info))
>        (format "\\ref{%s}" label)
>      (format "\\hyperref[%s]{%s}" label
>              (or desc
>                  (org-export-data
>                   (org-element-property :title destination) info))))))
>

As I guessed, you got this information from the source code itself.

In this regard I do deeply appreciate your providing this information with
all the guidance for contribution to documentation; I will try to
contribute per your advice.

Regards,
Joseph