* contrib/lisp/org-export.el (org-export-collect-headlines): Simplify
function, in order to allow greater flexibility to build a proper
table of contents.
EXPERIMENTAL/org-e-latex.el (org-e-latex-link): Apply changes.
contrib/lisp/org-export.el (org-export-inline-image-p): Remove
description of the link as a required argument, since this function is
called with link contents anyway.
* contrib/lisp/org-export.el (org-export-persistent-properties-list):
Remove unused persistent properties.
(org-export-initialize-persistent-properties): Delegate headline
numbering alist to `org-export-collect-headline-numbering'.
(org-export-collect-headline-numbering): New function.
(org-export-update-info): Remove part relative to headline numbering.
(org-export-get-headline-number): Use new `:headline-numbering' to get
current headline number.
Headline numbering is not done on demand anymore, but built once and
for all at the beginning of the export process, and stored in an
alist, accessible through the `:headline-numbering' property in the
communication channel.
* contrib/lisp/org-export.el (org-export-with-current-buffer-copy):
Full invisibility prevents `current-column' from returning useful
values. Thus, keep visibility related text-properties and set
`buffer-invisibility-spec' to nil.
Nicolas Goaziou