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Re: [O] [PATCH] Add author and title to exported PDF properties

From: Nicolas Goaziou
Subject: Re: [O] [PATCH] Add author and title to exported PDF properties
Date: Wed, 14 May 2014 09:05:14 +0200


Marcel van der Boom <address@hidden> writes:

Thanks for your patch. A few comments follow.

> * lisp/ox-latex.el (org-latex-template): add pdfauthor and pdftitle
> (org-latex-hyperref-template): add placeholders for author and title
> (org-latex-template): adjust default template with author and title

You need full stops at the end of sentences, and upper case letters
after the colons.

>  (defcustom org-latex-hyperref-template
> -  "\\hypersetup{\n pdfkeywords={%k},\n  pdfsubject={%d},\n  
> pdfcreator={%c}}\n"
> +  "\\hypersetup{\n pdfkeywords={%k},\n  pdfsubject={%d},\n  
> pdfcreator={%c},\n pdfauthor={%a},\n pdftitle={%t}}"

Nitpick: the number of space characters after newline characters should
be consistent, even though it wasn't the case before your patch.

> +                ?a (or (first (plist-get info :author)) "")
> +                ?t (or (first (plist-get info :title)) "")

This part is buggy. Both (plist-get info :author) and (plist-get
info :title) will return a "secondary list", which is a list of strings
and syntax objects. You usually need to handle these with
`org-export-data', not `first'.

Alas, in this case, `org-export-data' may not be appropriate, as some
objects should be exported differently in these keywords. For example,
you may want to remove footnote references, radio-targets, targets,
links and possibly any LaTeX markup (e.g., are "\textbf{bold}" macros
allowed in these keywords?).

The usual way to achieve this is to create an anonymous export back-end,
derived from `latex', with `org-export-create-backend', and let it
handle specially problematic objects. You then use it within
`org-export-data-with-backend'. See `org-html--format-toc-headline' for
an example.


Nicolas Goaziou

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